Publications

 

I have a total of 321 peer-reviewed publications that are published or in press. If you would like copies of my work, please email me.

                                                                                                                            

  1. Kwok CS, Gibbs T, Majeed M, Borovac JA, Will M, Schwarz K, Ul Haq MA, Lip GYH, Qureshi A, Holroyd E. The impact of thrombophilia on in-hospital outcomes in patients with acute coronary syndrome: Insights from the United States National Inpatient Sample. J Thromb Thrombolysis 2025 (In Press).
  2. Kwok CS, Bennett S, Joshi M, Qureshi AI, Elsayed K, Appaji A, Holroyd E, Pibarot P, Redfors B, Genereux P. The impact of cardiac damage on in-hospital outcomes for patients with aortic stenosis in the United States: An analysis of the National Inpatient Sample. Catheter Cardiovasc Interv (In Press).
  3. Kwok CS, Bennett S, Holroyd E, Satchithananda D, Borovac JA, Will M, Schwarz K, Lip GYH. Characteristics and outcomes of patients with acute coronary syndrome who present with atypical symptoms: A systematic review, pooled analysis and meta-analysis. Coron Artery Dis 2024 (In Press).
  4. Kwok CS, Choy CH, Pinney J, Townend JN, Whelan C, Fontana M, Gillmore JD, Steeds RP, Moody WE. Effect of beta-blockade on mortality in patients with cardiac amyloidosis: A systematic review and meta-analysis. ESC Heart Fail 2024;11:3901-3910.
  5. Kwok CS, Alisiddiq Z, Will M, Schwarz K, Khoo C, Large A, Butler R, Lip GYH, Qureshi AI, Borovac JA. The modified risk of paradoxical embolism score is associated with patent foramen ovale in patients with ischemic stroke: A nationwide US analysis. J Cardiovasc Dev Dix 2024;11:213.
  6. Kwok CS, Qureshi AI, Lip GYH. The impact of the site of myocardial infarction on in-hospital outcomes for patients with STEMI. Coron Artery Dis 2024;35:286-291.
  7. Kwok CS, Qureshi AI, Will M, Schwartz K, Waters D, Potluri R, Lip GYH. The impact of COVID-19 and the COVID-19 pandemic on hospitalized patients with STEMI in the United States: Insights from the National Inpatient Sample. Coron Artery Dis 2024;35:23-30.
  8. Kwok CS, Gillani SA, Bains NK, Gomez CR, Hanley DF, Ford DE, Hassan AE, Nguyen TN, Siddiq F, Spiotta AM, Qureshi AI. Mechanical thrombectomy in patients with acute ischemic stroke in the United States before and after time window expansion. J Neurointerv Surg 2024;16:447-452.
  9. Kwok CS, Phillips A, Mukherjee S, Patel M. Missed opportunities in type 2 diabetes: A narrative review. Curr Diabetes Rev 2024;20:e150124225648.
  10. Kwok CS, Duckett S, Piper SE, Deaton C, Masters J. Heart failure services from the hospital perspective in the United Kingdom: A cross-sectional survey. Br J Cardiol 2024 (In Press).
  11. Kwok CS, Qureshi AI, Will M, Schwarz K, Lip GYH, Borovac JA. Structural complications following ST-elevation myocardial infarction: An analysis of the National Inpatient Sample 2016 to 2020. J Cardiovasc Dev Dis 2024;11:59.
  12. Kwok CS, Qureshi AI, Phillips A, Lip GYH, Hanif W, Borovac JA. The burden of inpatient hospitalizations with cardiac and cerebrovascular disease in patients with type 1 diabetes: Insights from the National Inpatient Sample in the US. Diagnostics (Basel) 2024;14:1607.
  13. Lim HS, Bhagra S, Berman M, Kwok CS, Chue C, Ranasinghe A, Pettit S. Severe early graft dysfunction post-heart transplantation: Two clinical trajectories and diastolic perfusion pressure as a predictor of mechanical circulatory support. J Heart Lung Transplant 2024 (In Press).
  14. Masters J, Kwok CS, Duckett S, Piper SE, Deaton C. Heart failure services from the community perspective in the United Kingdom: A cross-sectional survey. Br J Cardiol 2024 (In Press).
  15. Qureshi AI, Bhatti IA, Gillani GA, Beall J, Cassarly CN, Gajewski B, Martin RH, Suarez JI, Kwok CS. Prevalence, trends, outcomes of cerebral infarction in patients with aneurysmal subarachnoid hemorrhage in the USA. J Neuroimaging 2024;34:790-798.
  16. Mukherjee S, Mukherjee B, Goswami A, Kwok CS, Phillips A. Non-alcoholic fatty liver disease among newly diagnostic type 2 diabetes in North Bihar and missed opportunities for early diagnosis. Cureus 2024;16: e75661.
  17. Mukherjee S, Mukherjee S, Kwok CS, Phillips A. Correlation between non-alcoholic fatty liver disease and metabolic parameters with newly diagnosed type 2 diabetes mellitus. World J Hepatol 2024;16:0.
  18. Schwarz K, Bah IS, Will M, Kwok CS, Mascherbauer J, Kumric M, Bozic J, Borovac JA. Prevalence and risk factors of renal artery stenosis in patients undergoing simultaneous coronary and renal artery angiography: A systematic review and meta-analysis of 31,689 patients from 31 studies. Diseases 2024;12;208.
  19. Will M, Schwarz K, Aufhauser S, Leibundgut G, Schmidt E, Mayer D, Vock P, Borovac JA, Kwok CS, Lamm G, Mascherbauer J, Weiss. The impact of successful chronic total occlusion percutaneous coronary intervention on clinical outcomes: a tertiary single-center analysis. Front Cardiovasc Med 2024;11:1447829.
  20. Li X, Fan L, Pan X, Kwok CS. Enteral nutrition in children and adolescents who receive extracorporeal membrane oxygenation and its impact on complications and mortality: A systematic review and meta-analysis. JPEN J Parenter Enteral Nutr 2024;48:406-420.
  21. Hinton J, Tuffs C, Varma R, Hurwitz-Bremner R, Hein A, Kwok CS, Din J, Kodoth V, Levy T, Swallow R, Talwar S, O’Kane P. An analysis of long-term clinical outcome following the use of excimer laser coronary atherectomy in a large UK PCI centre. Cather Cardiovasc Interv 2024;104;27-33.
  22. Qureshi AI, Bhatti IA, Gomez CR, Hanley DF, Ford DE, Hassan AE, Nguyen TN, Spiotta AM, Kwok CS. Trends in performance of thrombectomy for acute ischemic stroke patients teaching and non-teaching hospitals. J Stroke Cerebrovasc Dis 2024;33:107959.
  23. Qureshi AI, Lodhi A, Ma X, Ahmed R, Kwok CS, Maqsood H, Liaqat J, Hassan AE, Siddiq F, Gomez CR, Suri FK. Self-expanding stent versus balloon expandable stent for treatment of intracranial arterial stenosis: A systematic review and meta-analysis. J Neuroimaging 2024;34:295-307.
  24. Kwok CS, Moody M. The importance of pathways to facilitate early diagnosis and treatment of cardiac amyloidosis. Ther Adv Cardiovasc Dis 2023;17:17539447231216318.
  25. Kwok CS, Will M, Moertl D, Qureshi AI, Borovac JA. The influence of diagnoses of specific viral infections on in-hospital mortality, length of stay and cost in patients admitted to hospital with a diagnosis of myocarditis: An analysis of the National Inpatient Sample. Rev Cardiovasc Med 2023;24:206.
  26. Kwok CS, Qureshi AI, Will M, Schwarz K, Borovac JA. In-hospital outcomes and conditions in patients with acute coronary syndromes and coronary aneurysms who undergo percutaneous coronary intervention. Cardiovasc Revasc Med 2023;56:57-63.
  27. Kwok CS, Said KA, Lip GYH, Qureshi AI. Cerebral infarction and in-hospital mortality for patients admitted to hospital with intracardiac thrombus: Insights from the National Inpatient Sample. J Thromb Thrombolysis 2023;56:342-350.
  28. Kwok CS, Bains NK, Ford DF, Hanley DF, Hassan AE, Nguyen TH, Siddiq F, Spiotta AM, Zaidi SF, Qureshi AI. Intra-arterial thrombolysis as adjunct to mechanical thrombectomy in acute ischemic stroke patients in the United States: A Case Control Analysis. J Stroke Cerebrovasc Dis 2023;32:107093.
  29. Kwok CS, Bennett S, Borovac JA, Schwarz K, Lip GYH. Predictors of left ventricular thrombus after acute myocardial infarction: A systematic review and meta-analysis. Coron Artery Dis 2023;34:250-259.
  30. Kwok CS, Bennett S, Borovac JA, Will M, Schwarz K, Lip G. An evidence-based evaluation of left ventricular thrombus treatment, outcomes, and resolution: A systematic review, pooled analysis, and meta-analysis. Coron Artery Dis 2023;34:260-273.
  31. Kwok CS, Bennett S, Lip GYH. Coronary artery calcium score and its association with stroke: A systematic review and meta-analysis. Eur J Clin Invest 2023;53:e13892.
  32. Kwok CS, Abbas KS, Qureshi AI, Lip GYH. Outcomes for patients hospitalized with acute myocardial infarction and cerebral infarction in the United States: Insights from the National Inpatient Sample. Intern Emerg Med 2023;18:375-383.
  33. Kwok CS, Tafuro J, Wong CW, Bennett S, Zachariah D, Barker D, Morley-Davies A, Satchithananda D, Gunning M, Borovac JA. What are the causes of death among patients admitted toa contemporary tertiary-level cardiology department? An analysis of 10 years of morbidity and mortality meetings. Pathophysiol 2023;30:467-479.
  34. Schwarz K, Mascherbauer J, Schmidt E, Zirkler M, Vock P, Lamm G, Kwok CS, Borovac JA, Mousavi R, Hoppe U, Leibudgut G, Will M. Emergency transvenous temporary pacing during rotational atherectomy. Front Cardiovasc Med 2023;10:1322459.
  35. Borovac JA, Kwok CS. Coronary and extracoronary manifestations of systemic inflammatory, autoimmune, and connective tissue disease: Pathophysiologic drivers of vasculopathy beyond atherosclerosis. AM J Cardiol 2023;206:378-379.
  36. Lin Y, Li C, Waters D, Kwok CS. Gastronintestinal bleeding in chronic kidney disease patients: A systematic review and meta-analysis. Renal Fail 2023;45:2276908.
  37. Qureshi AI, Suri FK, Shah QA, Maqsood H, Siddiq F, Gomez CR, Kwok CS. Acute ischemic stroke patients admitted to hospitals that perform percutaneous coronary interventions in the United States. J Stroke Cerebrovasc Dis 2023;32:107405.
  38. Hinton J, Mariathas M, Gabara L, Allan R, Nicolas Z, Kwok CS, Ramamoorthy S, Calver A, Corbett S, Jabbour RJ, Mahmoudi M, Rawlins J, Sirohi R, Wilkinson JR, Cook P, Martin GP, Mamas MA, Curzen N. Association between troponin levels and medium term mortality in 20,000 hospital patients. Heart 2023;109:1772-1777.
  39. Qureshi AI, Lodhi A, Akhtar IN, Ma X, Kerani D, Kwok CS, Ford DE, Hanley DF, Hassan AE, Nguyen TN, Spiotta AM, Zaidi SF. Mechanical thrombectomy with intra-arterial thrombolysis versus mechanical thrombectomy alone in patients with acute ischemic stroke: A systematic review and meta-analysis. Int J Stroke 2024;19:16-28.
  40. Borovac JA, Qureshi AI, Will M, Schwarz K, Gasecka A, Kwok CS. In-hospital outcomes and conditions associated with coronary artery aneurysms in chronic coronary syndrome. Cardiovasc Revasc Med 2023;54:7-13.
  41. Said KA, Will M, Qureshi AI, Kwok CS. The impact of antimicrobial resistance on outcomes for patients who undergo coronary artery bypass graft and valve surgery: A retrospective cohort study of hospital admissions from the National Inpatient Sample. Microbiol Res 2023;14:580-590.
  42. Will M, Schwarz K, Weiss T, Leibundgut G, Lamm G, Vock P, Mascherbauer J, Kwok CS. The impact of chronic total occlusions in patients undergoing transcatheter aortic valve replacement: A systematic review and meta-analysis. Catheter Cardiovasc Interv 2023;101:806-812.
  43. Abbas KS, Qureshi A, Ahmad S, Lip GYH, Kwok CS. Impact of pleural effusion on clinical outcomes in patients with pulmonary embolism: Insights from the National Inpatient Sample. Acute Med J 2023;22:23-32.
  44. Borovac JA, Marcelius B, Kumric M, Schwarz K, Kwok CS. Referral to CABG surgery following diagnostic angiography in patients with non-ST-elevation acute coronary syndrome: A snapshot from randomized trials. Arq Bras Cardiol 2023;120:e20220248.
  45. Kwok CS, Abbas KS, Qureshi AI, Satchithananda D, Borovac JA. The impact of concomitant diagnosis of viral infections on in-hospital mortality in patients hospitalized with a diagnosis of heart failure in the United States: Insights from the National Inpatient Sample. Viruses 2022;14:2418.
  46. Kwok CS, Waters D, Phan T, Myint PK, Lip GYH. Should audits consider the care pathway model? A new approach to benchmark real-world activities. Healthcare 2022 (Basel). 2022;10:1798.
  47. Kwok CS, Burke H, McDermott S, Welsh V, Barker D, Patwala A, Duckett S, Satchithananda D, Mallen CD. Missed opportunities in the diagnosis of heart failure: Evaluation of pathways to determine source of delay to specialist evaluation. Curr Heart Fail Rep 2022;19:247-253.
  48. Kwok CS, Muntean EA, Mallen CD. The impact of COVID-19 on the patient, clinician, healthcare services and society: A patient pathway review. J Med Virol 2022;94:3634-3641.
  49. Kwok CS, Wong CW, Lovatt S, Myint PK, Loke YK. Misdiagnosis of pulmonary embolism and missed pulmonary embolism: A systematic review of the literature. Health Sci Rev 2022;3:100022.
  50. Kwok CS, Muntean EA, Mallen CD. Should patient pathways be considered in the evaluation of care quality? Br J Healthcare Management 2022. http://doi.org/10.12968/bjhc.2022.0097.
  51. Kwok CS, Lip GYH. The patient pathway review for atrial fibrillation. Crit Path Cardiol 2022;21:96-102.
  52. Kwok CS, Satchithananda D, Mallen CD. Missed opportunities in coronary artery disease: reflection on practice to improve patient outcomes. Coron Artery Dis 2022;33:233-238.
  53. Kwok CS, Darlington D, Mayer J, Panchal G, Walker V, Zachariah D, Phan T, Mallen CD, Barker D, Patwala A. A review of the wide range of indications and uses of implantable loop recorders: A review of the literature. Hearts (MDPI) 2022;3:45-53.
  54. Kwok CS, Muntean E, Mallen CD, Borovac JA. Data collection theory in healthcare research: the minimum dataset. Clin Pract 2022;12:832-844.
  55. Kwok CS, Satchithananda D, Ahmed F, Chue C, Barker D, Patwala A, Duckett S, Mallen CD. A critical evaluation of patient pathways and missed opportunities in treatment for heart failure. J Cardiovasc Develop Dis 2022;9:455.
  56. Kwok CS, Muntean EA, Foster W, Mallen CD. Patient pathways in cardiology: Should pharmaceutical and medical device companies care? Crit Path Cardiol 2022;21:57-60.
  57. Wills M, Weiss TW, Weber M, Kwok CS, Borovac J, Aufhauser S, Nolan J, Mascherbauer J, Schwarz K. Coronary artery catheterization success rates comparing left vs. right radial approach: relation to age and severe aortic stenosis. Front Cardiovasc Med 2022;9:1022415.
  58. Bennett S, Tafuro J, Brumpton M, Bardolia C, Heatlie G, Duckett S, Ridley P, Nanjaiah P, Kwok CS. Echocardiographic description and patient outcomes in a heterogeneous cohort of patients undergoing mitral valve surgery with and without mitral annular disjunction: A health service evaluation. Echo Res Pract 2022;9:4.
  59. Barlas RS, Clark AB, Loke YK, Kwok CS, Angus DC, Uranga A, Espana PP, Eurich DT, Huang DT, Man SY, Rainer TH, Yealy DM, Myint PK, Mor MK, Fine MJ. Comparison of the prognostic performance of CURB-65 and a modified version of the Pneumonia Severity Index designed to identify high-risk patients using the International Community-Acquired Pneumonia Collaboration Cohort. Resp Med 2022;200:106884.
  60. Lovatt S, Batson J, Kwok CS. Heart failure and iron deficiency: Opportunities for nurses to better patient care. Br J Cardiac Nurs 2022;17(5): doi.org/10.12968.bjca.2022.0010.
  61. Khan-Kheil A, Kwok CS, Kanagala P, Khan JN. Quantification of myocardial deformation in patients with Takayasu Arteritis by MRI feature tracking imaging. J Magnetic Res Imaging 2022;55:1828-1840.
  62. Mussigbrodt A, Shamloo AS, Mandrola J, Abdulla J, Ayinda H, Ricci C, Brunetti ND, Kwok CS, Monhanty M, Arya A, Kosiuk J, Bollmann A, Hindricks G, Boring M. Exploring the association between physical activity and atrial fibrillation: A systematic review of meta-analyses. J Atr Fib 2022;15:30-40.
  63. Bennett S, Demetriades P, Banks K, Tafuro J, Oatham R, Griffiths T, Oxley C, Clews SA, Heatlie G, Kwok CS, Duckett S. Mid-term follow-up and outcomes of patients with prosthetic heart valves: A single-centre experience. Echo Res Pract 2022;9:1.
  64. Hinton J, Augustine M, Gabara L, Mariathas M, Allan R, Borca F, Nicholas Z, Ikwoube J, Gillett N, Cook P, Kwok CS, Grocott MPW, Mamas M, Curzen N. Incidence and one year outcome of periprocedural myocardial infarction following cardiac surgery: are the Universal Definition and SCAI criteria fit for purpose? Eur J Cardiothoracic Surg 2022;62:ezac019.
  65. Schwarz K, Lovatt S, Borovac JA, Parasuraman S, Kwok CS. Planned versus bailout rotational atherectomy: A systematic review and meta-analysis. Cardiovasc Revasc Med 2022;39:45-51.
  66. Barzkar F, Baradaran HR, Kwok CS, Metcalf AK, Potter JF, Myint PK. Prevalence of orthostatic hypertension and its association with cerebrovascular diseases in patients with suspected TIA and minor stroke. BMC Cardiovasc Dis 2022;22:161.
  67. Gunter B, Spragg C, Kwok CS. Development and evaluation of the TRIGGER score to identify patients with acute coronary syndrome in the emergency department. Br J Cardiac Nursing 2022;17(2): http://doi.org/10.12968/bjca.2021.0134.
  68. Will M, Kwok CS, Nagaraja V, Potluri R, Weiss TW, Mascherbauer J, Schwarz K. Outcomes of patients who undergo elective covered stent treatment for coronary aneurysms. Cardiovasc Revasc Med 2022;36:91-96.
  69. Ahmed FZ, Sammut-Powell C, Kwok CS, Tay T, Motwani M, Martin GP, Taylor JK. Remote monitoring data from cardiac implantable electronic devices predicts all-cause mortality. Europace 2022;24(2):245-255.
  70. Bennett S, Jacopo T, Duckett S, Appaji A, Khan J, Heatlie G, Cubukcu A, Kwok CS. Definition, prevalence and clinical features of mitral annular disjunction in different patient cohorts: A systematic review. Echocardiography 2022;39(3):514-523.
  71. Darlington D, Brown P, Carvalho V, Bourne H, Mayer JM, Jones N, Walker V, Siddiqui S, Patwala A, Kwok CS. Efficacy and safety of leadless pacemakers: A systematic review, pooled analysis and meta-analysis. Ind J Electrophysiol 2022;22(2):77-86.
  72. Lovatt S, Wong CW, Schwarz K, Borovac JA, Lo T, Gunning M, Phan T, Patwala A, Barker D, Mallen CD, Kwok CS. Misdiagnosis of aortic dissection: A systematic review of the literature. Am J Emerg Med 2022;53:16-22.
  73. Panchal G, Kwok CS, Morley-Davies A, Zachariah D, Phan T. A comparison of clinical outcomes following atrial fibrillation ablation for heart failure patients with preserved or reduced left ventricular function: A systematic review and meta-analysis. Indian Pac Electrophysiol J 2022;22(1):18-23.
  74. Kwok CS, Wong CW, Kontopantelis E, Barac A, Brown SA, Velagapudi P, Hilliard AA, Bharadwaj AS, Alraies MC, Mohamed M, Bhatt DL, Mamas MA. Percutaneous coronary intervention in cancer patients and readmission within 90 days for acute myocardial infarction and bleeding in the United States. Eur Heart J 2021;42:1019-1034.
  75. Kwok CS, Dashti M, Tafuro J, Nasiri M, Muntean EA, Wong N, Kemp T, Hills G, Mallen CD. Methods to disinfect and decontaminate SARS-CoV-2: A systematic review of in-vitro studies. Therapeutic Adv Infect Dis 2021;8204993612998548.
  76. Kwok CS, Muntean EA, Mallen CD. The patient pathway review: A new method of evaluating clinical practice to understand the complexities of real-world care. Crit Path Cardiol 2021;20:213-219.
  77. Kwok CS, Bennett S, Azam Z, Walsh V, Potluri R, Loke YK, Mallen CD. Misdiagnosis of acute myocardial infarction: A systematic review of the literature. Crit Path Cardiol 2021;20:155-162.
  78. Kwok CS, Mallen CD. Missed acute myocardial infarction: an underrecognized problem that contributes to poor patient outcomes. Coron Artery Dis 2021;32:345-349.
  79. Kwok CS, Abramov D, Parwani P, Ghosh RK, Kittleson M, Ahmad FZ, Al Ayoubi F, van Spall HGC, Mamas M. Cost of inpatient heart failure care and 30-day readmissions in the United States. Int J Cardiol 2021;329:115-122.
  80. Kwok CS, McDermott S, Bennett S, Duckett S. United Kingdom treatment of iron deficiency in heart failure: are we missing opportunities? Br J Cardiol 2021; 28 Suppl:S7-S9.
  81. Kwok CS, Duckett S, Satchithananda D, Potluri R, Morgan-Smith D, Bellenger N, Gunning M, Mallen C. The patient, clinician and healthcare perspective in evaluating care pathways in stable chest pain. Crit Path Cardiol 2021;20:143-148.
  82. Kwok CS, Bennett J, Curry S, Jackson D, Burke H, Beeston M, Powell E, Gunter B, Cripps J, Jones A, Bethell H, Fogarty L, Thomas D, Chell S, Morgan-Smith D, Beynon. Cardiology referrals before and during the COVID-19 pandemic: A health service evaluation. Br J Cardiovasc Nursing 2021;16: https://doi.org/10.12968/bjca.2021.0004.
  83. Kwok CS, Wong CW, Ravindran R, Michos ED, Khan SU, Abudayyeh I, Mohamed M, Parwani P, Thamman R, Elgendy IY, Van Spall HGC, Mamas MA. Location of death among patients presenting with cardiovascular disease to the emergency department in the United States. Int J Clin Pract 2021;75:e13798.
  84. Kwok CS, Whittaker JJ, Malbon C, White B, Snape J, Lloyd V, Yazdani F, Kemp T, Duckett S. Outpatient antibiotic therapy is associated with savings from the cost of inpatient beds. Br J Cardiol 2021;28:38.
  85. Kwok CS, Jackson D, Bennett S, Tafuro J, Large A, Mallen CD, Smith DM, Duckett S. An evaluation of the use of investigations in nurse led rapid access chest pain clinic and patient outcomes. Br J Cardiac Nurs 2021;16(12) http://doi.org/10.12968/bjca.2021.0084.
  86. Bennett S, Tafuro J, Duckett S, Heatlie G, Patwala A, Barker D, Cubuckcu A, Ahmed FZ, Kwok CS. Septal flash as a predictor of cardiac resynchronization therapy response: A systematic review and meta-analysis. J Cardiovasc Echo 2021;31(4):198-206.
  87. Lovatt S, Wong CW, Holroyd E, Butler R, Phan T, Patwala A, Loke YK, Mallen CD, Kwok CS. Smoking cessation after acute coronary syndrome: A systematic review and meta-analysis. Int J Clin Pract 2021;75(12):e14894.
  88. Hinton J, Mariathas M, Gabara L, Allan R, Nicholas Z, Kwok CS, Ramamoorthy S, Calver S, Corbett S, Rawlins J, Simpson I, Wilkinson J, Sirohi R, Mahmoudi M, Martin GP, Cook P, Mamas MA, Curzen N. Relation of high-sensitivity troponin to 1 year mortality in 20,000 consecutive hospital patients undergoing blood test for any reason. Am J Cardiol 2021;158:124-131.
  89. Al Sayegh, Gassan A, Bajpai RC, Muller S, Welsch V, Kwok CS, Mallen CD. Readmissions after index hospital discharge among patients with COVID-19: protocol for a systematic review and meta-analysis. Health Sci Rep 2021;4:e417.
  90. Narain A, Kwok CS, Liggett-Wright C, Mayer J, Darlington D, Ahmed FZ, Phan T, Barker D. Outcomes of patients who have incidental non-sustained ventricular tachycardia identified on cardiac implantable electronic device interrogation. Hearts (MDPI) 2021;2:294-301.
  91. Bennett S, Cubukcu A, Wong CW, Griffith T, Oxley C, Barker D, Duckett S, Satchithananda D, Patwala A, Heatlie G, Kwok CS. The role of the Tei index in assessing for cardiotoxicity from anthracycline chemotherapy: a systematic review. Echo Res Pract 2021;8:R1-R11.
  92. Wong CW, Tafuro J, Azam Z, Satchithananda D, Duckett S, Barker D, Patwala A, Ahmed FZ, Mallen C, Kwok CS. Misdiagnosis of heart failure: A systematic review of the literature. J Card Fail 2021;27:925-933.
  93. Ullah W, Al-Khadra Y, Mir T, Darmoch F, Pacha HM, Sattar Y, Ijioma N, Mohamed MO, Kwok CS, Asfour Al, Kapadia S, Rizik D, Zehr K, Mamas MA, Alraies MC. Temporal trends in utilization and outcome of transcatheter aortic valve replacement in different races: an analysis of the national inpatient sample. J Cardiovasc Med (Hagestown) 2021;22:586-593.
  94. Hinton J, Augustine M, Gabara L, Mariathas M, Allan R, Borca F, Nicholas Z, Beecham R, Gillett N, Kwok CS, Cook P, Grocott MPW, Mamas M, Curzen N. Distribution of high-sensitivity troponin taken without conventional clinic indications in critical care patients and its association with mortality. Crit Car Med 2021;49:1451-1459.
  95. Pacha HM, Al-Khadra Y, Darmoch F, Soud M, Kwok CS, Mamas MA, Ashraf S, Sattar Y, Ullah W, Banerjee S, Arain SA, Feldman DN, Abu-Fadel M, Aronow HD, Shishehbor MH, Alraies MC. In-hospital outcomes and trends of endovascular intervention vs surgical revascularization in octogenarians with peripheral vascular disease. Am J Cardiol 2021;145:143-150.
  96. Sykes RA, Mohamed MO, Kwok CS, Mamas MA, Berry C. Percutaneous coronary intervention and 30-day unplanned readmission with chest pain in the United States. Clin Cardiol 2021;44:291-306.
  97. Pana TA, Dehghani M, Baradaran HR, Neal SR, Wood AD, Kwok CS, Loke YK, Luben RN, Mamas MA, Khaw KT, Myint PK. Calcium intake, calcium supplementation and cardiovascular disease and mortality in the British Population: EPIC-Norfolk Prospective Cohort study and meta-analysis. Eur J Epidemiol 2021;36:669-683.
  98. Mohamed MO, Rashid M, Timmis A, Clarke S, Lawson C, Michos ED, Kwok CS, de Belder M, Valgimigli M, Mamas MA. Sex differences in distribution and outcomes of combined ischemic-bleeding risk following acute coronary syndrome. Int J Cardiol 2021;329:16-22.
  99. Mohamed MO, van Spall HGC, Kontopantelis E, Alkhouli M, Barac A, Elgendy IY, Khan SU, Kwok CS, Shoaib A, Bhatt DL, Mamas MA. Effect of primary percutaneous coronary intervention on in-hospital outcomes among active cancer patients presenting with ST-elevation myocardial infarction: A propensity score matching analysis. Eur Heart J Acute Cardiovasc Care 2021;10:829-839.
  100. Kwok CS, Gale CP, Kinnaird T, Curzen N, Ludman P, Kontopantelis E, Wu J, Denwood T, Fazal N, Deanfield J, de Belder MA, Mamas MA. The impact of COVID-19 on percutaneous coronary intervention for ST-elevation myocardial infarction. Heart 2020;106:1805-1811.
  101. Kwok CS, Gale CP, Curzen N, de Belder MA, Ludman P, Luscher TF, Kontopantelis E, Roebuck C, Denwood T, Burton T, Hains J, Deanfield JE, Mamas MA. The impact of COVID-19 pandemic on percutaneous coronary intervention in England: Insights from the British Cardiovascular Intervention Society PCI database cohort. Circ Cardiovasc Interv 2020;13:e009654.
  102. Kwok CS, Mayer J, Kazi SI, Makiela L, Keay AAR, Bennett S, Ahmed FZ, Patwala A, Phan TT. Do all patients with implantable cardioverter defibrillator need a generator change? A health service evaluation of patients who underwent generator change from a single tertiary center. Indian Pac Electrophysiol J 2020;20:257-260.
  103. Kwok CS, Sirker A, Nolan J, Zaman A, Ludman P, de Belder M, Kinnaird T, Mamas MA. A national evaluation of emergency cardiac surgery after percutaneous coronary intervention and postsurgical patient outcomes. Am J Cardiol 2020;130:24-29.
  104. Kwok CS, Wong CW, Nagaraja V, Mamas MA. A systematic review of the studies that evaluate the performance of the DAPT score. Int J Clin Pract 2020;74:e13591.
  105. Bennett S, Ravidran R, Duckett S, Cubukcu A, Jones H, Kwok CS. Acute coronary syndrome secondary to cardiac infiltration and coronary occlusion of chronic lymphocytic leukemia – A case report. J Cardiol Cases 2020;23:257-260.
  106. Mohamed MO, Banerjee A, Clarke S, de Belder MA, Patwala A, Goodwin AT, Kwok CS, Rashid M, Gale CP, Curzen N, Mamas MA. Impact of COVID-19 on cardiac procedure activity in England and associated 30-day mortality. Eur Heart J Qual Care Outcomes 2020;10:829-839.
  107. Sattar Y, Ullah W, Mir T, Biswas S, Titus A, Darmoch F, Pacha HM, Mohamed MO, Kwok CS, Fischman DL, Bagur  R, Mamas M, Alraes MC. Safety and efficacy of coronary intravascular lithotripsy for calcified coronary arteries – a systematic review and meta-analysis. Expert Rev Cardiovasc Ther 2020; doi:10.1080/14779072.2021.1845143.
  108. Ravindran R, Kwok CS, Wong CW, Siller-Matula JM, Parwani P, Velagapudi P, Fischman DL, Alraies C, Michos ED, Mamas MA. Cardiac arrest and related mortality in emergency departments in the United States: Analysis of the Nationwide Emergency Department Sample. Resuscitation 2020;157:166-173.
  109. Bennett S, Tafuro J, Mayer J, Darlington D, Wong CW, Muntean EA, Wong N, Mallen C, Kwok CS. Clinical features and outcomes of adults with COVID-19: A systematic review of the literature. Int J Clin Pract 2021;75:e13725.
  110. Wu J, Mamas MA, Mohamed M, Kwok CS, Roebuck C, Humberstone B, Denwood T, Luescher T, de Belder MA, Deanfiled JE, Gale CP. Place and causes of acute cardiovascular mortality during the COVID19 pandemic: prospective cohort study of 581,283 deaths in England and Wales, 2014 to 2020. Heart 2021;107;113-119.
  111. Khan JN, Griffiths T, Sandhu K, Cabezon S, Kwok CS, Baig S, Naneishvili T, Lee VCK, Pasricha A, Robins E, Kanalaga P, Fatima T, Mihai A, Butler R, Duckett S, Heatlie G. Accuracy and prognostic value of physiologist-led stress echocardiography for coronary disease. Heart Lung Circ 2021;30:721-729.
  112. Mohamed MO, Shoaib A, Gogas B, Patel T, Alraies MC, Velagapudi P, Chugh S, Sharma K, Mohamed W, Murphy G, Kwok CS, Rashid M, Bagur R, Mamas MA. Trends of repeat revascularization choice in patients with prior coronary artery bypass surgery. Catheter Cardiovasc Interv 2021;98:470-480.
  113. Taxiarchi P, Martin GP, Curzen N, Kinnaird T, Ludman P, Johnson P, Kwok CS, Rashid M, Kontopantelis E, Mamas MA. Rotational atherectomy and same day discharge: safety and growth from a national perspective. Catheter Cardiovasc Interv 2021;98:678-688.
  114. Borovac JA, Kwok CS, Mohamed MO, Fischman DL, Savage M, Alraies C, Kalra A, Nolan J, Zaman A, Ahmed J, Bagur R, Mamas MA. The predictive value of CHA2DS2-VASc score on in-hospital periprocedural events among patients with acute coronary syndrome and atrial fibrillation who undergo percutaneous coronary intervention: A 10-year National Inpatient Sample (NIS) analysis. Cardiovasc Revasc Med 2021;29:61-68.
  115. Al-khadra Y, Pacha HM, Baibars M, Darmoch F, Afonso L, Devireddy C, Anwaruddin S, Kwok CS, Mamas MA, Sorajja P, Zehr K, Alraies MC. Temporal trends and outcomes in utilization of transcatheter and surgical aortic vale therapies in aortic valve stenosis patients with heart failure. Int J Clin Pract 2021;75:e13711.
  116. Shoaib A, Johnson T, Banning A, Ludman P, Rashid M, Potts J, Kwok CS, Kontopantelis E, Kinnaird T, Mamas MA. Clinical outcomes of percutaneous coronary intervention (PCI) for chronic total occlusion in native coronary arteries vs saphenous vein grafts. J Invasive Cardiol 2020;32:350-357.
  117. Reid KA, Barlasm RS, Mamas MA, Clark AB, Kwok CS, Wong CW, Kongbunkiat K, Bettencourt-Silva JH, Sawanyawisuth K, Kasemsap N, Tiamkao S, Myint PK. Infective endocarditis is associated with worse outcomes in stroke: A Thailand National Database Study. Int J Clin Pract 2020;74:e13614.
  118. Borovac JA, Glavas D, Susilovic, Grabovac Z, Supe Domic D, Stanisic L, D’Amario D, Kwok CS, Bozic J. Circulating sST2 and catestatin levels in patients with acute worsening of heart failure: a report from the CATSTAT-HF study. ESC Heart Fail 2020;7:2818-2828.
  119. Kwok CS, Kinnaird T, Ludman P, Mohamed M, Borovac J, Sirker A, Mamas MA. Evaluation of the DAPT score in patients who undergo percutaneous coronary intervention in England and Wales. Cardiovasc Revasc Med 2020;21:1509-1514.
  120. Kwok CS, Chatterjee S, Bagur R, Sharma K, Alraies MC, Fischman D, Savage M, Mohamed M, Shoaib A, Patel T, Mamas MA. Multiple unplanned readmissions after discharge for an admission with percutaneous coronary intervention. Catheter Cardiovasc Interv 2021;97:395-408.
  121. Kwok CS, Farzaneh-Far A, Mamas MA. Red flags in cardiac amyloidosis. Eur J Prev Cardiol 2020;27:1804-1805.
  122. Kwok CS, Achenbach S, Curzen N, Fischman DL, Savage M, Bagur R, Kontopantelis E, Martin GP, Steg PG, Mamas MA. Relation of frailty to outcomes in percutaneous coronary intervention. Cardiovasc Revasc Med 2020;21:811-818.
  123. Kwok CS, Sirker A, Farmer AD, Kontopantelis E, Potts J, Ayyaz Ul Haq M, Ludman P, de Belder, Townend J, Zaman A, Large A, Kinnaird T, Mamas MA. In-hospital gastrointestinal bleeding following percutaneous coronary intervention. Catheter Cardiovasc Interv 2019. Catheter Cardiovasc Interv 2020;95:109-117.
  124. Kwok CS, Amin AP, Shah B, Kinnaird T, Alkutshan R, Balghith M, Ratib K, Nolan J, Bagur R, Mamas MA. Cost of coronary syndromes treated with percutaneous coronary intervention and 30-day unplanned readmissions in the United States. Catheter Cardiovasc Interv 2021:97:80-93.
  125. Bennett S, Wong CW, Griffiths T, Stout M, Khan JN, Duckett S, Heatlie G, Kwok CS. The prognostic value of the Tei index in acute myocardial infarction: A systematic review of the literature. Echo Res Pract 2020;7:49-58.
  126. Nagaraja V, Schwarz K, Moss S, Kwok CS, Gunning M. Outcomes of patients who undergo percutaneous coronary intervention with covered stents for coronary perforations: A systematic review and pooled analysis of the data. Catheter Cardiovasc Intev 2020;96:1360-1366.
  127. Martinez SC, Mohamed M, Potts J, Abhishek A, Roddy E, Savage M, Bharadwaj A, Kwok CS, Bagur R, Mamas MA. Percutaneous coronary intervention outcomes in patients with rheumatoid arthritis, systemic lupus erythematosus and systemic sclerosis. Rheumatology 2020;59:2512-2522.
  128. Rashid M, Nagaraja V, Curzen N, Ludman PF, Kapadia S, Palmer N, Elgendy I, Kalra A, Vachharajani T, Anderson VH, Shoaib A, Kwok CS, Mohamed M, Banning AP, Mamas MA. Outcomes following percutaneous coronary intervention in renal transplant recipients; collaborative analysis from the United States and United Kingdom. Mayo Clin Proc 2021;96:363-376.
  129. Kwok CS, Kalra A, Velagapudi P, Park K, Mohamed M, Alraies MC, Cheng RK, Bagur R, Mamas MA. Comparison of 30-day unplanned readmissions to the index versus non-index hospital after percutaneous coronary intervention. Am J Cardiol 2020;125:1287-1294.
  130. Kwok CS, Alraies MC, Mohamed M, Rashid M, Shoiab A, Nolan J, Ratib K, Khoo CW, Kontopantelis E, Mamas MA. Rates, predictors and the impact of cannabis misuse on in-hospital outcomes among patients undergoing percutaneous coronary intervention (from the National Inpatient Sample). Int J Clin Pract 2020;74:e13477.
  131. Kwok CS, Naneishvili T, Curry S, Aston C, Beeston M, Chell S, Cripps J, Gunter B, Jackson D, Thomas D, Jones RN, Bethell H, Sandhu K, Morgan-Smith D, Beynon. Description and development of the nurse-led Stoke Cardiac Assessment Team. Fut Healthc J. 2020;7:78-83.
  132. Kwok CS, Zieroth S, Van Spall H, Helliwell T, Clarson L, Mohamed M, Mallen C, Duckett S, Mamas MA. The Hospital Frailty Risk Score and its association with in-hospital mortality, cost, length of stay and discharge location in patients with heart failure. Int J Cardiol 2020;300:184-190.
  133. Kwok CS, Narain A, Pacha HM, Lo TM, Holroyd E, Alraies MC, Nolan J, Mamas MA. Readmissions to hospital after percutaneous coronary intervention: A systematic review and meta-analysis of factors associated with readmissions. Cardiovasc Revasc Med 2020;21:375-391.
  134. Kwok CS, Quinn Capers IV, Savage M, Gulati M, Potts J, Mohamed MO, Nagaraja V, Patwala A, Heatlie G, Kontopantelis E, Fischman DL, Mamas MA. Unplanned hospital readmissions after acute myocardial infarction: A nationwide analysis of rates, trends, predictors and causes in the United States between 2010 and 2014. Coron Artery Dis 2020;31:354-364.
  135. Rashid M, Nagaraja V, Fischmann DL, Anderson HV, Kinnaird T, Ludman P, Kapadia SR, Starling RC, Alraies C, Kwok CS, Mohamed MO, Curzen N, Mamas MA. Outcomes of percutaneous coronary intervention in cardiac transplant patients: A bi-national analysis derived from the United Kingdom and United States. J Invasive Cardiol 2020;32:321-329.
  136. Mohamed MO, Greenspon A, Van Spall H, Volgman A, Sharma PS, Alraies MC, Kwok CS, Martin G, Zachariah D, Patwala A, Mamas MA. Sex differences in rates and causes of 30-day readmissions after cardiac electronic device implantations: insights from the Nationwide Readmission Database. Int J Cardiol 2020;302:67-74.
  137. Tran N, Kwok CS, Bennett S, Ratib K, Heatlie G, Phan T. Idiopathic eosinophilic myocarditis presenting with features of an acute coronary syndrome – a case report. Echo Res Pract 2020;7:K1-K6.
  138. Mohamed MO, Lopez-Mattei JC, Iliescu CA, Parwani P, Bharadwaj A, Kim PY, Palaskas NL, Rashid M, Potts J, Kwok CS, Gulati M, Al Zubraidi AMB, Mamas MA. Management strategies and clinical outcomes of acute myocardial infarction in leukaemia patients: Nationwide insights from the United States hospitalisations.. Int J Clin Pract 2020;74:e13476.
  139. Mohamed MO, Greenspon A, Contractor T, Rashid M, Kwok CS, Potts J, Barker D, Patwala A, Mamas MA. Outcomes of cardiac implantable electronic device transvenous lead extractions performed in centers without onsite cardiac surgery. Int J Cardiol 2020;300:154-160.
  140. Mohamed MO, Volgman AS, Contractor T, Sharma PS, Kwok CS, Rashid M, Martin GP, Barker D, Patwala A, Mamas MA. Trends in sex differences in outcomes of cardiac electronic device implantations in the United States. Can J Cardiol 2020;36:69-78.
  141. Mohamed MO, Barac A, Contractor T, Silvet H, Arroyo RC, Parwani P, Kwok CS, Martin G, Patwala A, Mamas MA. Prevalence and in-hospital outcomes of patients with malignancies undergoing de novo cardiac electronic device implantation in the United States. Europace 2020;22:1083-1096.
  142. Brown P, Bennett S, Kwok CS, Wilmshurst P. A case of decompression illness in a scuba diver. Echo 2020;109:12-13.
  143. Rashid M, Kontopantelis E, Kinnaird T, Curzen N, Gale CP, Mohamed MO, Shoaib A, Kwok CS, Myint PK, Nolan J, Zaman MJ, Timmis A, Mamas M. Association between hospital cardiac catheter laboratory status, use of invasive strategy, and outcomes after NSTEMI. Can J Cardiol 2020;36:868-877.
  144. Clarson LE, Bajpai R, Whittle R, Belcher J, Sultan AA, Kwok CS, Welsh V, Mamas MA, Mallen C. Interstitial lung disease is a risk factor for ischaemic heart disease and myocardial infarction. Heart 2020;106;916-922.
  145. Bharadwaj A, Potts J, Parwani P, Swamy P, Lopez-Mattei JC, Mohamed MO, Rashid M, Kwok CS, Fishcmann D, Vassiliou V, Michos E, Mamas MA. Acute myocardial infarction, treatments and outcomes in patients with current or a historical diagnosis of cancer; a national analysis. Eur Heart J 2020;41:2183-2193.
  146. Kinnaird T, Kwok CS, Davies R, Calvert PA, Anderson R, Gallagher S, Sirker A, Ludman P, de Belder M, Stables R, Johnson TW. Kontopantelis E, Curzen N, Mamas M. Coronary perforations complicating percutaneous coronary intervention in patients presenting with an acute coronary syndrome: An analysis of 1013 perforation cases from the British Cardiovascular Intervention Society Database. Int J Cardiol 2020;299:37-42.
  147. Al-Khadra Y, Alraies MC, Darmoch F, Pacha HM, Soud M, Kaki A, Rab T, Grines CL, Meraj P, Alaswad K, Kwok CS, Mamas M, Kapadia S. Outcomes of nonemergent percutaneous coronary intervention requiring mechanical circulatory support in patients without cardiogenic shock. Catheter Cardiovasc Interv 2020;95(3):503-512.
  148. Kwok CS, Gulati M, Michos ED, Potts J, Wu P, Watson L, Loke YK, Mallen C, Mamas MA. Dietary components and risk of cardiovascular disease and all-cause mortality: A review of evidence form meta-analyses. Eur J Prev Cardiol 2019;26:1415-1429.
  149. Kwok CS, Brown DL, van Spall H, Walsh MN, Bharadwaj A, Parwani P, Potts J, Loke Y, Martin G, Kontopantelis, Fischman D, Mamas MA. Non-specific chest pain and subsequent serious cardiovascular readmissions. Int J Cardiol 2019;291:1-7.
  150. Kwok CS, Shah B, Al-Suwaidi J, Fischman DL, Holmvang L, Alraies C, Bagur R, Nagaraja V, Rashid M, Mohamed M, Martin GP, Kontopantelis E, Kinnaird T, Mamas MA. Timing and causes of unplanned readmissions after percutaneous coronary intervention: Insights from the Nationwide Readmission Database. JACC Cardiovasc Interv 2019;12:734-748.
  151. Kwok CS, Balacumarswami L, Mamas MA. Should we implement interventions to reduce readmissions in open heart valve surgery? Int J Cardiol 2019;289:50-51.
  152. Kwok CS, Seferovic PM, Van Spall HGC, Helliwell T, Clarson L, Lawson C, Kontopantelis E, Patwala A, Duckett S, Fung E, Mallen CD, Mamas MA. Early unplanned readmissions after admission to hospital with heart failure. Am J Cardiol 2019;124(5):736-745.
  153. Kwok CS, Lundberg G, Al-Faleh H, Sirker A, Van Spall HGC, Michos ED, Rashid M, Mohamed M, Bagur R, Mamas MA. Relation of frailty to outcomes in patients with acute coronary syndromes. Am J Cardiol 2019;124(7):1002-1011.
  154. Kwok CS, Al-Dokheal M, Aldaham S, Rushton C, Butler R, Kinnaird T, Zaman A, Zaman MJ, Timmis A, Mamas MA. Weekend effect in acute coronary syndrome: A meta-analysis of observational studies. Eur Heart J Acute Cardiovasc Care. 2019;8:432-442.
  155. Kwok CS, Parwani PJ, Fischman DL, Thamman R, al Suwaidi J, Mohamed M, Borovac JA, Loke YK, Kontopantelis E, Brown DL, Mamas MA. Nonspecific chest pain and 30-day unplanned readmissions in the United States (From the Nationwide Readmission Database). Am J Cardiol 2019;123:1343-1350.
  156. Kwok CS, Rao SV, Gilchrist IC, Potts J, Nagaraja V, Gunning M, Nolan J, Kontopantelis E, Betrand OF, Mamas MA. Relation of length of stay to unplanned readmissions for patients who undergo elective percutaneous coronary intervention. Am J Cardiol 2019; 123:33-43.
  157. Kwok CS, Walsh MN, Volgmann A, Alasnag M, Martin GP, Barker D, Patwala A, Bagur R, Fischman DL, Mamas MA. Discharge against medical advice after hospitalization for acute myocardial infarction. Heart 2019;105:315-321.
  158. Borovac JA, Kwok CS, Iliescu C, Lee HJ, Kim PY, Palaskas NL, Zaman A, Butler R, Lopez-Mattei JC, Mamas MA. Percutaneous coronary intervention and clinical outcomes in patients with lymphoma in the United States: a 10-year period Nationwide Inpatient Sample (NIS) analysis. Am J Cardiol 2019;124(8):1190-1197.
  159. Pacha HM, Al-khadra Y, Darmoch F, Soud M, Zaitoun A, Kwok CS, Mamas MA, Kaki A, Glazier JJ, Garcia S, Banerjee S, Arain SA, Vetrovec GW, Alraies MC. Temporal trend and in-hospital outcome of limb revascularization in patients with atrial fibrillation. Am J Cardiol 2019;124:1540-1548.
  160. Orzakiewicz M, Hodson J, Kwok CS, Ludman PF, Giblett J, George S, Doshi SN. Khan SQ, Kinnaird T, Hildick-Smith D, Townend JN, Mamas MA, Calvert PA. A comparison of routine versus selective glycoprotein IIb/IIIa inhibitors in primary percutaneous coronary intervention in contemporary practice in England (from the British Cardiovascular Intervention Society). Am J Cardiol 2019;124:373-380.
  161. Mohamed MO, Sharma PS, Volgman AS, Bhardwaj R, Kwok CS, Rashid M, Barker D, Patwala A, Mamas MA. Prevalence, outcomes, and costs according to patient frailty status for 2.9 million cardiac electronic device implantations in the United States. Can J Cardiol 2019;35(11):1465-1474.
  162. Mohamed MO, Kinnaird T, Anderson R, Rashid M, Martin G, Freeman P, Kwok CS, Myint PK, Zaman AG, Mamas MA. Combination of bleeding and ischemic risk and their association with clinical outcomes in acute coronary syndrome. Int J Cardiol 2019;290:7-14.
  163. Mohamed MO, Kirchhof P, Vidovich M, Savage M, Rashid M, Kwok CS, el Omar O, Al Ayoubi F, Fishcman D, Mamas MA. Effect of concomitant atrial fibrillation on in-hospital clinical outcomes of non-ST-elevation-acute coronary syndrome- related hospitalizations in the United States. Am J Cardiol 2019;124:465-475.
  164. Darmoch F, Alraies MC, Al-khadra Y, Pacha HM, Soud M, Kaki A, Rab T, Grines CL, Bagur R, Kwok CS, Mamas M, Banerjee S, AlJaroudi W, Pinto D. Outcome of transcatheter aortic valve replacement in peripheral vascular disease patients. Am J Cardiol 2019;124:416-422.
  165. Al-Khadra Y, Kajy M, Idris A, Darroch F, Pacha HM, Kabach A, Soud M, Garcia S, Grines CL, Bagur R, Kwok CS, Kaki A, Glazier JJ, Kapadia S, Mamas MA. Alraies MC. Outcomes of octogenarian patients undergoing percutaneous coronary intervention. Am J Cardiol 2019;124:1540-1548.
  166. Al-Khadra Y, Darmoch F, Pacha HM, Soud M, Kajy M, Ando T, Rab T, Grines CL, Kaki A, Kwok CS, Mamas MA, Glazier JJ, Alraies MC. The outcomes of pulmonary hypertension patients with severe aortic stenosis undergoing surgical aortic valve replacement or transcatheter aortic valve implantation. Am J Cardiol 2019;124:586-593.
  167. Al-Khadra Y, Alraies MC, Darmoch F, Pacha HM, SOud M, Kajy M, Kaki A, Al Jaroudi WA, Kwok CS, Mamas MA, Kapadia S. In-hospital outcomes of transcatheter aortic valve replacement in patients with mitral valve stenosis. Am J Cardiol 2019;123:1510-1516.
  168. Narain A, Kwok CS, Lea A, Warwick R, Manorekang R, Wong CW, Shufflebotham A, Balacumaraswami L, Mamas MA. Early readmissions after isolated coronary artery bypass grafting. Int J Clin Pract 2019;73:e13319.
  169. Potts J, Nagaraja V,Al Suwaidi J, Brugaletta S, Martinez SC, Alraies C, Fischman D, Kwok CS, Nolan J, Mylotte D, Mamas MA. The influence of Elixhauser comorbidity index on percutaneous coronary interventions on outcomes. Catheter Cardiovasc Interv 2019;94(2):195-203.
  170. Rashid M. Fischman DL, Martinez SC, Capers Q IV, Savage M, Zaman A, Curzen N, Ensor J, Potts J, Mohamed MO, Kwok CS, Kinnaird T, Bagur R, Mamas M. Temporal trends and predictors of time to coronary angiography following non-ST elevation acute coronary syndrome in United Sattes. Coron Artery Dis 2019;30:159-170.
  171. Martin GP, Kwok CS, van Spall HGC, Volgman AS, Michos ED, Parwani P, Chadi Alraies M, Thamman R, Kontopantelis E, Mamas MA. Readmissions and process of care across weekend and weekday hospitalization for acute myocardial infarction, heart failure or stroke: an observational study of the National Readmission Database. BMJ Open 2019;9(8):e029667.
  172. Potts JE, Iliescu CA, Lopez Mattei JC, Martinez SC, Holmvang L, Ludman P, de Belder MA, Kwok CS, Rashid M, Fischman DL, Mamas MA. Percutaneous coronary intervention in cancer patients: a report of the prevalence and outcomes in the United States. Eur Heart J 2019;40(22):1790-1800.
  173. George S, Kwok CS, Martin GP, Babu A, Shufflebotham A, Nolan J, Ratib K, Bagur R, Gunning M, Mamas MA. The influence of Charlson Comorbidity Index on procedure characteristics, VARC-2 endpoints and 30-day mortality among patients who undergo Transcatheter Aortic Valve Implantation. Heart Lung Circ 2019;28(12):1827-1834.
  174. Shoaib A, Farag M, Nolan J, Rigby A, Patwala A, Rashid M, Kwok CS, Perveen R, Clark AL, Komajda M, Cleland JGF. Mode of presentation and mortality amongst patients hospitalized with heart failure? A report from the first Euro Heart Failure Survey. Clin Res Cardiol 2019;108(5):510-519.
  175. Bennett S, Thamman R, Griffiths T, Oxley C, Khan J, Phan T, Patwala A, Heatlie G, Kwok CS. Mitral annular disjunction: A systematic review of the literature. Echocardiography 2019;36(8):1549-1558.
  176. Bennett S, Phan T, Patwala A, Thamman R, Kwok CS. Surviving cardiac arrest from mitral annular disjunction: A case report. Echocardiography 2019;36(7):1405-1408.
  177. Mariathas M, Allan R, Ramamoorthy S, Olechowski B, Hinton J, Azor M, Nicholas Z, Calver A, Corbett S, Mahmoudi M, Rawlins J, Simpson I, Wilkinson JA, Kwok CS, Cook P, Mamas MA, Curzen N. WIs the current threshold for diagnosis of “abnormality”, including non ST elevation myocardial infarction, using raised high sensitivity troponin appropriate for a hospital population? The CHARIOT study. BMJ 2019; 364:I729.
  178. Kwok CS, Rao SV, Potts JE, Kontopantelis E, Rashid M, Kinnaird T, Curzen N, Nolan J, Bagur R, Mamas MA. Burden of 30-day readmissions after percutaneous coronary intervention in 833,344 patients in the United States: Predictors, causes, and cost: Insights from the Nationwide Readmission Database. JACC Cardiovasc Interv. 2018;11(7):665-674.
  179. Kwok CS, Bell M, Anderson V, Al Shaibi K, Gulati R, Potts J, Rashid R, Kontopantelis E, Bagur R, Mamas MA. Discharged against medical advice after percutaneous coronary intervention in the United States. JACC Cardiovasc Interv 2018;11:1354-1364.
  180. Kwok CS, Rao SV, Gilchrist I, Martinez SC, Ayoubi FA, Potts J, Rashid R, Kontopantelis E, Myint PK, Mamas MA. Relation between age and unplanned readmissions after percutaneous coronary intervention (Findings from the Nationwide Readmission Database). Am J Cardiol 2018. 122:220-228.
  181. Kwok CS, Potts J, Gulati M, Alasnag M, Rashid M, Shoaib A, Ul Haq MA, Bagur R, Mamas MA. Effect of gender on unplanned readmissions after percutaneous coronary intervention (from the Nationwide Readmission Database). Am J Cardiol 2018;121(7):810-817.
  182. Kwok CS, Martinez SC, Pancholy S, Ahmed W, Al-Shaibi K, Potts J, Mohamed M, Kontopantelis E, Curzen C, Mamas MA. Effect of comorbidity on unplanned readmissions after percutaneous coronary intervention (from the Nationwide Readmission Database). Sci Rep 2018;8:11156.
  183. Kwok CS, Kontopantelis E, Kinnaird T, Potts J, Rashid M, Shoaib A, Nolan J, Bagur R, de Belder MA, Ludman P, Mamas MA. Retroperitoneal hemorrhage after percutaneous coronary intervention: Incidence, determinants, and outcomes as recorded by the British Cardiovascular Intervention Society. Circ Cardiovasc Interv 2018;11(2):e005866.
  184. Kwok CS, Kontopantelis E, Kuligowski G, Gray M, Muhyaldeen A, Gale CP, Peat GM, Cleator J, Chew-Graham C, Loke YK, Mamas MA. Self-reported sleep duration and quality and cardiovascular disease and mortality: A dose-response meta-analysis. J Am Heart Assoc 2018;7:e008552.
  185. Rashid M, Fischman DL, Gulati M, Tamman K, Potts J, Kwok CS, Ensor J, Shoaib A, Mansour H, Zaman A, Savate MP, Mamas MA. Temporal trends and predictors of time to coronary angiography following non-ST elevation acute coronary syndrome in United States. Sci Rep 2018; 9:240.
  186. Ayyaz Ul Haq M, Nazir SA, Rashid M, Kwok CS, Mubashiruddin S, Alisiddiq Z, Shoaib A, Ratib K, Mamas MA, Nolan J. Accelerated patent hemostasis using a procoagulant disk; a protocol designed to minimize the risk of radial artery occlusion following cardiac catheterization. Cardiovasc Revasc Med 2019;20:137-142.
  187. Nagaraja V, Suh W, Fischman DL, Banning A, Martinez SC, Potts J, Kwok CS, Ratib K, Nolan J, Bagur R, Mamas MA. Transcatheter aortic valve replacement outcomes in bicuspid compared to trileaflet aortic valves. Cardiovasc Revasc Med 2019;20:50-56.
  188. Sirker A, Kwok CS, Kontopantelis E, Johnson T, Freeman P, de Belder MA, Ludman P, Zaman A, Mamas MA. Antiplatelet drug selection in PCI to vein grafts in patients with acute coronary syndrome and adverse clinical outcomes: Insights from the British Cardiovascular Intervention Society database. Catheter Cardiovasc Interv 2018;92:659-665.
  189. Doshi SN, George S, Kwok CS, Mechery A, Mamas MA, Ludman PF, Townend JN, Bhabra M. A feasibility stufy of transaxillary TAVI with the lotus valve. Catheter Cardiovasc Interv 2018;92:542-549.
  190. Martin GP, Kinnaird T, Sperrin M, Anderson R, Gamal A, Jabbar A, Kwok CS, Barker D, Heatlie G, Zaman AG, Mamas MA. Do outcomes following the management of myocardial infarction from three UK centres differ between weekend and weekday hospital admission? BMJ Open. 2017;7:e016866.
  191. Hulme W, Sperrin M, Curzen N, Kinnaird T, de Belder MA, Ludman P, Kwok CS, Gale CP, Cockburn J, Kontopantelis E, Mamas MA. Operator volume is not associated with mortality following percutaneous coronary intervention: insights from the British Cardiovascular Intervention Society. Eur Heart J 2018;39:1623-1634.
  192. Jackson M, Austin D, Kwok CS, Rashid M, Kontopantelis E, Ludman P, de Belder MA, Mamas MA, Zaman A. The impact of diabetes on the prognostic value of left ventricular function following percutaneous coronary intervention: Insights from the British Cardiovascular Intervention Society. Catheter Cardiovasc Interv 2018; 92:E393-E402.
  193. Mamas MA, Tosh J, Hulme W, Hoskins N, Bungey G, Ludman P, de Belder MA, Kwok CS, verin N, Kinnaird T, Bennett E, Curzen N, Nolan J, Kontopantelis E. Health economic analysis of access site practice in England during changes in practice: Insights from the British Cardiovascular Interventional Society. Circ Cardiovasc Qual Outcomes 2018. 11:e004482.
  194. Rashid M, Lawson C, Potts J, Kontopantelis E, Kwok CS, Bertrand OF, Shoiab A, Ludman P, Kinnaird T, de Belder M, Nolan J, Mamas MA. Incidence, determinants and outcomes of left and right radial access use in patients undergoing percutaneous coronary intervention in the United Kingdom, a national perspective using the British Cardiovascular Intervention Society Dataset. JACC Cardiovasc Interv. 2018. 11:1021-1033.
  195. Wong CW, Kwok CS, Narain A, Gulati M, Mihalidou AS, We P, Alasnag M, Myint PK, Mamas MA. Marital status and risk of cardiovascular disease: A systematic review and meta-analysis. Heart 2018. 104:1937-1948.
  196. Solo K, Lavi S, Choudhury T, Martin J, Nevis IF, Kwok CS, Kotronias RA, Nishina N, Sponga S, Ayan D, Tzemos N, Mamas MA, Bagur R. Pre-operative use of aspirin in patients undergoing coronary artery bypass grafting: A systematic review and updated meta-analysis. J Thoracic Dis 2018. 10:3444-3459.
  197. Potts J, Kwok CS, Ensor J, Rashid M, Kadam U, Kinnaird T, Curzen N, Pancholy SB, van der Windt, Riley RD, Bagur R, Mamas MA. Temporal changes in comorbidity burden in patients having percutaneous coronary intervention and impact on prognosis. Am J Cardiol 2018;122:712-722.
  198. Tabinor M, Elphick E, Dudson M, Kwok CS, Lambie M, Davies SJ. Bioimpedance-defined overhydration predicts survival in end stage kidney failure (ESKF): systematic review and subgroup meta-analysis. Sci Rep 2018;8(1):4441.
  199. Olier I, Carr M, Curzen N, Ludman PF, Baumbach A, Kinnaird T, Sirker A, Rashid M, Kwok CS, Nolan J, Kontopantelis E, Mamas MA. Changes in peri-procedural bleeding complications following percutaneous coronary intervention in the United Kingdom between 2006-2013: Observations from the British Cardiovascular Intervention Society. Am J Cardiol 2018;122:952-960.
  200. Bagur R, Martin GP, Nombela-Franco L, Doshi SN, George S, Toggweiler S, Sponga S, Cotton J, Khogali SS, Ratib K, Kinnaird T, Anderson R, Chu MWA, Kiaii B, Biagioni C, Schofield-Kelly L, Loretz L, Torracchi L, Sekar B, Kwok CS, Sperrin M, Ludman PF, Mamas MA. Association of comorbid burden with clinical outcomes after transcatheter aortic valve implantation. Heart 2018; 104:2058-2066.
  201. Wu P, Gulati M, Kwok CS, Wong CW, Narain A, O’Brien S, Chew-Graham CA, Verma G, Kadam UT, Mamas MA. Preterm delivery and future risk of maternal cardiovascular disease: A systematic review and meta-analysis. J Am Heart Assoc. 2018;7(2):piie007809.
  202. Moussa Pacha H, Alahdab F, Al-Khadra Y, Idris A, Rabbat F, Darmoch F, Soud M, Azitoun A, Kaki A, Rao SV, Kwok CS, Mamas MA, Alraies C. Ultrasound-guided versus palpation-guided radial artery catheterization in adult population: a systematic review and meta-analysis of randomized trials. Am Heart J 2018;204:1-8.
  203. Shoaib A, Kinnaird T, Curzen N, Kontopantelis E, Ludman P, de Belder M, Rashid M, Kwok CS, Nolan J, Zaman A, Mamas MA. Outcomes following percutaneous coronary intervention (PCI) in non-ST-segment elevation myocardial infarction patients with coronary artery bypass grafts. Circ Cardiovasc Interv 2018;11:e006824.
  204. Kotronias RA, Teitelbaum M, Webb JG, Mylotte D, Marco B, Wood DA, Ballantyne B, Osbourne A, Solo K, Kwok CS, Mamas MA, Bagur R. Early vs standard discharge after transcatheter aortic valve implantation: A systematic review and meta-analysis. JACC Cardiovasc Interv 2018;11:1759-1771.
  205. Ayyaz Ul Haq M, Rashid M, Gilchrist IC, Bertrand O, Kwok CS, Wong CW, Hansour H, Baghdaddy Y, Nolan J, van Leeuwen MAH, Mamas MA. Incidence of clinical course of limb dysfunction post cardiac catheterization: a systematic review. Circ J 2018;82:2736-2744.
  206. Potts J, Sirker A, Martinez SC, Gulati M, Alasnag M, Rashid M, Kwok CS, Ensor J, Burke DL, Riley RD, Holmvang L, Mamas MA. Persistent sex disparities in clinical outcomes with percutaneous coronary intervention: Insights from 6.6 million PCI procedures in the United States. PLoS One 2018;13:e02033325.
  207. Kwok CS, Wong CW, Shufflebotham H, Brindley L, Fatima T, Shufflebotham A, Barker D, Patwala A, Heatlie G, Mamas MA. Early readmission after acute myocardial infarction. Am J Cardiol. 2017;120(5):723-728.
  208. Kwok CS, Bagur R, Rashid M, Lavi R, Cibelli M, de Belder MA, Moat N, Hildick-Smith D, Ludman P, Mamas MA. Aortic stenosis and non-cardiac surgery: A systematic review and meta-analysis. Int J Cardiol. 2017;240:145-153.
  209. Kwok CS, Wong CW, Rushton C, Ahmed F, Cunnington C, Davies SJ, Patwala A, Mamas MA, Satchithananda D. Ultrafiltration for acute decompensated cardiac failure: a systematic review and meta-analysis.  Int J Cardiol. 2017;228:122-128.
  210. Kwok CS, Hulme W, Olier I, Holroyd E, Mamas MA. Review of early hospitalization after percutaneous coronary intervention. Int J Cardiol. 2017;227:370-377.
  211. Mamas MA, Sperrin M, Watson MC, Coutts A, Wilde K, Burton C, Kadam UT, Kwok CS, Clark AB, Murchie P, Buchan I, Hannaford PC, Myint PK. Do patients have worse outcome with heart failure than cancer? A primary care based cohort study with 10-year follow-up in Scotland. Eur J Heart Fail. 2017;19:1095-1104.
  212. Rashid M, Rushton CA, Kwok CS, Kinnaird T, Kontopantelis E, Olier I, Ludman PL, De Beldeter MA, Nolan J, Mamas MA. Impact of access site practice on clinical outcomes in patients undergoing percutaneous coronary intervention following thrombolysis for ST-elevation myocardial infarction in the United Kingdom. JACC Cardiovasc Interv. 2017;10(22):2258-2265.
  213. Chue CD, Kwok CS, Wong CW, Patwala A, Barker D, Zaidi A, Mamas MA. Efficacy and safety of the subcutaneous implantable cardioverter defibrillator: A systematic review. Heart. 2017;103(17):1315-1322.
  214. Ayyaz Ul Haq M, Rashid M, Kwok CS, Wong CW, Nolan J, Mamas MA. Changes in hand function after transradial cardiac catheterization. World J Cardiol. 2017;9(7):609-619.
  215. Kotronias RA, Kwok CS, George S, Capodanno D, Ludman PF, Townend JN, Doshi SN, Khogali SS, Genereux P, Herrmann HC, Mamas MA, Bagur R. Transcatheter aortic valve implantation with or without percutaneous coronary artery revascularization strategy: A systematic review and meta-analysis. J Am Heart Assoc. 2017(6);6:pii:e005960.
  216. Iqbal J, Kwok CS, Kontopantelis E, de Belder MA, Ludman PF, Large A, Butler R, Gamal A, Kinnaird T, Zaman A, Mamas MA. Choice of stent for percutaneous coronary intervention of saphenous vein grafts. Circ Cardiovasc Interv. 2017;10(4):pii:e004457.
  217. Holroyd EW, Sirker A, Kwok CS, Kontopantelis E, Ludman PF, de Belder MA, Butler R, Cotton J, Zaman A, Mamas MA. The relationship of body mass index to percutaneous coronary intervention outcomes. JACC Cardiovasc Interv. 2017;10(13):1283-1292.
  218. Bagur R, Solo K, Alghofaili S, Kwok CS, Siemieniuk RA, Hayman S, Nombela-Franco L, Toggweiler S, Spencer FA, Vandvik PO, Foroutan F, Guyatt GH, Waksman R, Mamas MA. Cerebral embolic protection devices during transcatheter aortic valve implantation: a systematic review and meta-analysis. Stoke. 2017;48(5):1306-1315.
  219. Hulme W, Sperrin M, Kontopantelis E, Ratib K, Ludman P, Sirker A, Kinnaird T, Curzen N, Kwok CS, de Belder M, Nolan J, Mamas MA. Increased radial access is not associated with worse femoral outcomes for PCI in United Kingdom. Circ Cardiovasc Interv. 2017;10(2):e004279.
  220. Ahmed FZ, Motwani M, Cunnington C, Kwok CS, Fullwood C, Oceandy D, Fitchet A, Goode GK, Luckie M, Zaidi AM, Khattar R, Mamas MA. One-month global longitudinal strain identified patients who will develop pacing-induced left ventricular dysfunction over time: the pacing and ventricular dysfunction (PAVD) study. PLoS One 2017;12(1):e0162072.
  221. Wu P, Haththotuwa R, Kwok CS, Babu A, Kotronias RA, Rushton C, Zaman A, Fryer AA, Kadam U, Chew-Graham CA, Mamas MA. Pre-eclampsia and future cardiovascular health: a systematic review and meta-analysis. Circ Cardiovasc Qual Outcomes. 2017;10(2): pii:e003497.
  222. Narain A, Kwok CS, Mamas MA. Soft drink and the risk of metabolic syndrome: a systematic review and meta-analysis. Int J Clin Pract. 2017;71(2): doi:10.1111/ijcp.12927.
  223. Kontronias RA, Kwok CS, Wong CW, Kinnaird T, Zaman A, Mamas MA. Cancer incidence and mortality with thienopyridine: A systematic review and meta-analysis. Drug Saf. 2017;40(3):299-240.
  224. Mamas MA, George S, Ratib K, Kwok CS, Elkazin A, Sandhu K, Stubbs J, Luxford P, Nolan J. 5-Fr sheathless transradial cardiac catheterization using conventional catheters and balloon assisted tracking: a new approach to downsizing. Cardiovasc Revasc Med 2017;18(1):28-32.
  225. Rashid M, Kwok CS, Gale CP, Doherty P, Olier I, Sperrin M, Kontopantelis E, Peat G, Mamas MA. Impact of co-morbid burden on mortality in patients with coronary heart disease, heart failure and cerebrovascular accident: a systematic review and meta-analysis. Eur Heart J Qual Care Clin Outcomes 2017;3(1):20-36.
  226. Kwok CS, Rashid M, Beynon R, Barker D, Patwala A, Morley-Davies A, Satchithananda D, Nolan J, Myint PK, Buchan I, Loke YK, Mamas MA. Prolonged PR interval, first-degree heart block and adverse cardiovascular outcomes: A systematic review and meta-analysis. Heart. 2016; 102(9):672-80.
  227. Kwok CS, Tiong D, Pradhan A, Andreou AY, Nolan J, Bertrand OF, Curzen N, Urban P, Myint PK, Zaman AG, Loke YK, Mamas MA. Meta-analysis of the prognostic impact of anemia in patients undergoing percutaneous coronary intervention. Am J Cardiol 2016;118(4):610-20.
  228. Kwok CS, Loke YK, Welch AA, Luben R, Lentjes MAH, Boekholdt SM, Pfister R, Mamas MA. Wareham NJ, Khaw KT, Myint PK. Habitual chocolate consumption and risk of incident heart failure among healthy men and women. Nutr Metab Cardiovasc Dis. 2016;26(8):722-34.
  229. Bagur R, Kwok CS, Nombela-Franco L, Ludman PF, de Belder MA, Sponga S, Gunning M, Nolan J, Diamantouros P, Teefy PJ, Kiaii B, Chu MWA, Mamas MA. Transcatheter aortic valve implantation with or without re-implantation balloon aortic valvuloplasty: a systematic review and meta-analysis. J Am Heart Assoc. 2016;5(6). pii: e003191.
  230. Hulme W, Sperrin M, Rushton H, Ludman PF, de Belder M, Curzen N, Kinnaird T, Kwok CS, Buchan I, Nolan J, Mamas MA. Is there a relationship of operator and center volume with access site related outcomes? an analysis from the British Cardiovascular Intervention Society.  Circ Cardiovasc Interv. 2016;9(5):e003333.
  231. Iqbal J, Kwok CS, Kontopantelis E, de Belder MA, Ludman PF, Giannoudi M, Gunning M, Zaman A, Mamas MA. Outcomes following primary percutaneous coronary intervention in patients with previous coronary artery bypass surgery. Circ Cardiovasc Interv. 2016; 9(4):e003151.
  232. Kinnaird T, Kwok CS, Konotopantelis E, Ossei-Gerning N, Ludman P, de Belder M, Anderson R, Mamas MA. The incidence, determinants and outcomes of coronary perforation during percutaneous coronary interventions in the United Kingdom between 2006-2013: an analysis of 527,121 cases from the British Cardiovascular Intervention Society database. CIrc Cardiovasc Interv 2016;9(8). pii: e003449.
  233. Myint PK, Kidd AC, Kwok CS, Musgrave SD, Redmayne O, Metcalf AK, Ngeh J, Nicolson A, Owusu-Agyei P, Shekhar R, Walsh K, Day DJ, Warburton EA, Bachmann MO, Potter JF. Time to computerized tomography scan, age and mortality in acute stroke. J Stroke Cerebrovasc Dis 2016 ;25(12):3005-3012.
  234. Nagaraja V, Ooi SY, Nolan J, Large A, de Belder M, Ludman P, Bagur R, Curzen N, Matsukage T, Yoshimachi F, Kwok CS, Berry C, Mamas MA. Impact of incomplete percutaneous revascularization in patients with multivessel coronary artery disease: a systematic review and meta-analysis. J Am Heart Assoc. 2016;5(12).pii: e004598.
  235. Mamas MA, Kwok CS, Kontopantelis E, Fryer AA, Buchan I, Bachmann MO, Zaman MJ, Myint PK. Relationship between anemia and mortality outcomes in a national ACS cohort: insights from the UK MINAP registry. J Am Heart Assoc 2016;5(11) pii: e003348.
  236. Myint PK, Kwok CS, Roffe C, Kontopantelis E, Zaman A, Berry C, Ludman PF, de Belder MA, Mamas MA. Determinants and outcomes of stroke following percutaneous coronary intervention by indication. Stroke. 2016; 47(6):1500-7.
  237. Mamas MA, Nolan J, de Belder MA, Zaman A, Kinnaird T, Curzen N, Kwok CS, Buchan I, Ludman P, Kontopantelis E. Changes in arterial access site and association with mortality in the United Kingdom: observation from a national percutaneous coronary intervention database. Circulation. 2016; 133(17):1655-67.
  238. Rashid M, Kwok CS, Pancholy S, Chugh S, Dedev SA, Bernat I, Ratib K, Large A, Fraser D, Nolan J, Mamas MA. Radial artery occlusion after transradial interventions: a systematic review and meta-analysis. J Am Heart Assoc. 2016; 5(1):pii e002686.
  239. Sirker A, Kwok CS, Kotronias R, Bagur R, Bertrand O, Butler R, Berry C, Nolan J, Oldroyd K, Mamas M. Influence of access site choice for cardiac catheterization on risk of adverse neurological events: A systematic review and meta-analysis. Am Heart J 2016;181:10-119.
  240. Wu P, Kwok CS, Haththotuwa R, Kotronias R, Babu A, Fryer AA, Myint PK, Chew-Graham, Mamas MA. Pre-eclampsia is associated with a two-fold increase in diabetes: a systematic review and meta-analysis. Diabetalogia 2016;59(12):2518-2526.
  241. Zaman MJS, Kwok CS, Bachmann MO, Mamas MA, Myint PK. Explaining inequalities in receipt of care in older patients with an acute coronary syndrome. Eur Heart J Qual Care Clin Outcomes. 2016; 2(2):59-61.
  242. Mattishent K, Kwok CS, Mahtani A, Pelpola K, Myint PK, Loke YK. Prognostic indices for early mortality in ischaemic stroke - meta-analysis. Acta Neurologica Scand 2016; 133(1):41-8.
  243. Jafar AJN, Junghans C, Kwok CS, Hymers C, Monk KJ, Gold E, Harris TR. Do physiological scoring and a point of care metabolic screen predict outcome in Emergency Department patients admitted to hospital? A pilot study. Eur J Emerg Med 2016;23(2):130-6.
  244. Jafar AJN, Junghans C, Kwok CS, Hymers C, Monk KJ, Gold E, Harris TR. Does emergency department measured cardiac output predict organ failure at 48 hours? A pilot study. Jacobs J Emerg Med. 2016;3(2):027.
  245. Sirker A, Mamas MA, Kwok CS, Kontopantelis E, Ludman P, Hildick-Smith D. Outcomes from selective use of thrombectomy in patients undergoing primary percutaneous coronary intervention for ST elevation myocardial infarction - An analysis of the British Cardiovascular Intervention Society/National Institute for Cardiovascular Outcomes Research (BCIS-NICOR) registry 2006-2013. JACC Cardiovasc Interv. 2016;9(2):126-34.
  246. Kinnaird T, Kwok CS, Narain A, Butler R, Ossei-Gerning N, Ludman P, Moat N, Anderson R, Mamas MA. Meta-analysis of percutaneous coronary intervention with drug eluting stent versus coronary artery bypass grafting for isolated proximal left anterior descending coronary disease. Am J Cardiol 2016;118(8):1171-1177.
  247. Narain A, Kwok  CS, Mamas MA. Soft drinks and sweetened beverages and the risk of cardiovascular disease and mortality: a systematic review and meta-analysis. Int J Clin Pract 2016;70(10):791-805.
  248. Gorst C, Kwok CS, Aslam S, Buchan I, Kontopantelis E, Myint PK, Heatlie G, Loke YK, Rutter MK, Mamas MA. Long-term glycaemic variabiltiy and risk of adverse outcomes: a systematic review and meta-analysis. Diabetes Care. 2015;16(8):2354-69.
  249. Kwok CS, Kontopantelis E, Myint PK, Zaman A, Berry C, Keavney B, Nolan J, Ludman PF, de Belder MA, Buchan I, Mamas MA. Stroke following percutaneous coronary intervention: Type-specific incidence, outcomes and determinants seen by the British Cardiovascular Intervention Society 2007-2012. Eur Heart J 2015;36(25):1618-28.
  250. Kwok CS, Sherwood MW, Watson SM, Nasir SB, Sperrin M, Nolan J, Kinnaird T, Kiatchoosakun S, Ludman PF, de Belder MA, Rao SV, Mamas MA. Blood transfusion after percutaneous coronary intervention and risk of subsequent adverse outcomes. JACC Cardiovasc Interv 2015;8(3):436-46.
  251. Kwok CS, Khan MA, Rao SV, Kinnaird T, Sperrin M, Buchan I, de Belder MA, Ludman PF, Nolan J, Loke YK, Mamas MA. Access and non-access site bleeding after percutaneous coronary intervention and risk of subsequent mortality and major adverse events: A systematic review and meta-analysis. Circ Cardiovasc Interv 2015;8(4):pii: e001645.
  252. Kwok CS, Rashid M, Fraser D, Nolan J, Mamas MA. Intra-arterial vasodilators to prevent radial artery spasm: a systematic review and pooled analysis of clinical studies. Cardiovasc Revasc Med. 2015;16(8):484-90.
  253. Kwok CS, Kontopantelis E, Kunadian V, Ratib K, Sperrin M, Zaman A, Ludman PF, de Belder MA, Nolan J, Mamas MA. Effect of access site, gender and indication on clinical outcomes following percutaneous coronary intervention. Am Heart J 2015;170(1):164-172.e5.
  254. Kwok CS, Boekholdt SM, Lentjes MAH, Loke YK, Luben RN, Yeong JK, Wareham NJ, Myint PK, Khaw KT. Habitual chocolate consumption and risk of cardiovascular disease among healthy men and women. Heart 2015;101(16):1279-87.
  255. Kwok CS, Umar S, Kontopantelis E, Myint PK, Zaman MJS, Buchan I, Loke YK, Mamas MA. Influenza, influenza-like symptoms and their association with cardiovascular risks: a systematic review and meta-analysis of observational studies. Int J Clin Pract 2015;69(9):928-37.
  256. Kwok CS, Bachmann MO, Mamas MA, Stirling S, Shepstone L, Myint PK, Zaman MJ. Effect of age on the prognostic value of left ventricular function in patients with acute coronary syndrome: A prospective registry study. Eur Heart J Acute Cardiovasc Care. 2015;1-8.
  257. Anderson SG, Ratib K, Myint PK, Keavney B, Kwok CS, Zaman A, Ludman PF, de Belder MA, Nolan J, Mamas MA. Impact of age on access site-related outcomes in 469,983 percutaneous coronary intervention procedures. Catheter Cardiovasc Interv 2015;86(6):659-65.
  258. Kwok CS, Shoamanesh A, Copley HC, Myint PK, Loke YK, Benavente OR.  Efficacy of antiplatelet therapy in secondary prevention following lacunar stroke: pooled analysis of randomized trials. Stroke 2015;46(4):1014-23.
  259. Bulluck H, Kwok CS, Ryding AD, Loke YK. Safety of short-term dual antiplatelet therapy after drug-eluting stents: An updated meta-analysis with direct and adjusted indirect comparison of randomized controlled trials. Int J Cardiol 2015;181:331-339.
  260. Mamas MA, Fath-Ordoubadi F, Danzi GB, Spaepen E, Kwok CS, Buchan I, Peek N, de Belder MA, Ludman PF, Paunovic D, Urban P. Prevalence and impact of co-morbidity burden as defined by the Charlson Co-morbidity Index on 30-day, 1 and 5-year outcomes after coronary stent implantation (from the Nobori-2 Study). Am J Cardiol 2015;116(3):364-71.
  261. Mattishent K, Kwok CS, Ashkir L, Pelpola K, Myint PK, Loke YK. Prognostic tools for early mortlaity in haemorrhagic stroke: systematic review and meta-analysis. J Clin Neurol 2015;11(4):339-48.
  262. Cunnington C, Kwok CS, Satchithananda DK, Patwala A, Khan MA, Zaidi A, Ahmed FZ, Mamas MA. Cardiac resynchronization therapy in not associated with a reduction in mortality or heart failure hospitalisation in patients with non-left bundle branch block QRS morphology: Meta-analysis of randomised controlled trials. Heart 2015;101(18):1456-62.
  263. Kwok CS, Clark AB, Musgrave SD, Potter JF, Dalton G, Day DJ, George A, Metcalf AK, Ngeh J, Nicolson A, Owusu-Agyei P, Shekhar R, Walsh K, Warburton EA, Bachmann MO, Myint PK. The SOAR stroke score predicts hospital length of stay in acute stroke: an external validation study. Int J Clin Pract 2015;69(6):659-65.
  264. Kwok CS, Pal A, Sargen K. Cystogram use and outcomes in colorectal surgery involving bladder repair: A clinical audit. ANZ J Surg 2015;85(10):774-6.
  265. Myint PK, Fox GC, Kwok CS, Luben RN, Wareham NJ, Khaw KT. Total anticholinergic burden and risk of mortality and cardiovascular disease over 10 years in 21,636 middle and older aged men and women of the EPIC-Norfolk prospective population study. Age Ageing 2015;44(2):219-25.
  266. Kwok CS, Anderson SG, McAllister KS, Sperrin M, O'Kane PD, Keavney B, Nolan J, Myint PK, Zaman A, Buchan I, Ludman PF, de Belder MA, Mamas MA. Impact of age on the prognostic value of left ventricular function in relation to procedural outcomes following percutaneous coronary intervention: Insights from the British cardiovascular intervention society. Catheter Cardiovasc Interv 2014;85(6):944-51.
  267. Kwok CS, Anderson SG, Myint PK, Mamas MA, Loke YK. Physical activity and incidence of atrial fibrillation: a systematic review and meta-analysis. Int J Cardiol 2014;117(2):467-76.
  268. Kwok CS, Umar S, Myint PK, Mamas MA, Loke YK. Vegetarian diet, Seventh Day Adventists and risk of cardiovascular mortality: a systematic review and meta-analysis. Int J Cardiol 2014;176(3):680-6.
  269. Kwok CS, Loke YK, Pradhan S, Keavney B, El-Omar M, Mamas MA. Renal denervation and blood pressure reduction in resistant hypertension: a systematic review and meta-analysis. Open Heart 2014;1(1):e000092.
  270. Kwok CS, Rao SV, Myint PK, Keavney B, Nolan J, Ludman PF, de Belder MA, Loke YK, Mamas MA. Major bleeding after percutaneous coronary intervention and risk of subsequent mortality: a systematic review and meta-analysis. Open Heart 2014;1(1):e000021.
  271. Kwok CS, Pradhan A, Khan MA, Anderson SG, Keavney BD, Myint PK, Mamas MA, Loke YK. Bariatric surgery and its impact on cardiovascular disease and mortality: a systematic review and meta-analysis. Int J Cardiol 2014;173(1):20-8.
  272. Kwok CS, Crossman PT, Loizou CL. Plate versus nail for distal tibial fractures: a systematic review and meta-analysis. J Ortho Trauma 2014;28(9):542-8.
  273. Kwok CS, Bulluck H, Ryding AD, Loke YK. Benefits and harms of extending the duration of dual antiplatelet therapy after percutaneous coronary intervention with drug-eluting stents: a meta-analysis. The Scientific World Journal 2014;2014:794078.
  274. Myint PK, Kwok CS, Bachmann MO, Stirling S, Shepstone L, Zaman MJ. Prognostic value of troponins in acute coronary syndrome depends upon age. Heart 2014;100(20):1583-90.
  275. Myint PK, Kwok CS, Luben RN, Wareham NJ, Khaw KT. Body fat percentage, body mass index and waist-to-hip ratio as predictors of mortality and cardiovascular disease. Heart 2014;100(20):1613-9.
  276. Loke YK, Pradhan S, Yeong JK, Kwok CS. Comparative coronary risks of apixaban, rivaroxabn and dabigatran: a meta-analysis and adjusted indirect comparison. Br J Clin Pharmacol 2014;78(4):707-17.
  277. Fox C, Smith T, Maidment I, Chan WY, Bua N, Myint PK, Moustani M, Kwok CS, Glover M, Koopmans I, Campbell N. Effect of medications with anti-cholinergic properties on cognitive function, delirium, physical function and mortality: a systematic review. Age Ageing 2014;43(5):604-615.
  278. Turner RM, Kwok CS, Chen-Turner C, Maduakor C, Singh S, Loke YK. Thiazolidinediones and associated risk of bladder cancer: a systematic review and meta-analysis. Br J Clin Pharmacol 2014;78(2):258-73.
  279. Kwok CS, Ong ACL, Potter JF, Metcalf A, Myint PK. TIA, stroke, and orthostatic hypotension: a disease spectrum related to ageing vasculature. Int J Clin Pract 2014;68(6):705-13.
  280. Kwok CS, Musgrave SD, Price GM, Dalton G, Myint PK. Similarity of patient characteristics and outcomes in consecutive data collection on stroke admissions over one month compared to longer periods. BMC Res Notes 2014;7:342.
  281. Myint PK, Clark AB, Kwok CS, Davis J, Durairaj R, Dixit AK, Sharma AK, Ford GA, Potter JF.  The SOAR (Stroke subtype, Oxfordshire Community Stroke Project classification, Age, prestroke modified Rankin) score strongly predicts early outcomes in acute stroke.  Int J Stroke 2014;9(3):278-283.
  282. Myint PK, Clark AB, Kwok CS, Loke YK, Yeong JKY, Luben RN, Wareham NJ, Khaw KT. Bone mineral density and incidence of stroke: EPIC-Norfolk population-based study, systematic review and meta-analysis. Stroke 2014;45(2):373-82.
  283. Kwok CS, Loke YK, Woo K, Myint PK. Risk prediction models for mortality in community-acquired pneumonia: a systematic review. Biomed Res Int 2013;2013:504136.
  284. Harrison T, Kwok CS, Wordsworth D, Servant CTJ. Femoral nerve injury due to an open subtrochanteric hip fracture – the importance of early detection and implication for rehabilitation. International Journal of Case Reports in Medicine 2013;4:doi:10.5171/2013.172885.
  285. Kwok CS, Krupa L, Mahtani A, Kaye D, Rushbrook SM, Phillips MG, Gelson. Albumin reduces paracentesis induced circulatory dysfunction and reduces death and renal impairment among patients with cirrhosis and infection: a systematic review and meta-analysis. Biomed Res Int 2013;2013:295153.
  286. Kwok CS, Potter JF, Dalton G, George A, Metcalf AK, Ngeh J, Nicholson A, Owusu-Agyei P, Shekhar R, Walsh K, Warburton EA, Myint PK. The SOAR stroke score predicts in-patient and 7-day mortality in acute stroke. Stroke 2013;44(7):2010-2012.
  287. Kwok CS, Pradhan S, Yeong JK, Loke YK. Relative effects of two different enoxaparin regimens as comparators against newer oral anticoagulants: meta-analysis and adjusted indirect comparison. Chest 2013;144(2):593-600.
  288. Loke YK, Kwok CS, Wong JM, Sankaran P, Myint PK. Chronic obstructive pulmonary disease and mortality from pneumonia: Meta-analysis. Int J Clin Pract 2013;67(5):477-87.
  289. Kwok CS, Harrison T, Servant C. The optimal timing for anterior cruciate ligament reconstruction with respect to risk of post-operative stiffness: a systematic review and meta-analysis. Arthroscopy 2013;29(3):556-65.
  290. Kwok CS, Pang CL, Yeong JK, Loke YK. Measures used to treat contrast induced nephropathy: overview of reviews. Br J Radiol. 2013;86(1021):20120272.
  291. Kwok CS, Jeevanantham V, Dawn B, Loke YK. No consistent evidence of differential cardiovascular risk amongst proton-pump inhibitors when used with clopidogrel: meta-analysis. Int J Cardiol 2013;167(3):965-74.
  292. Shoamanesh A, Kwok CS, Lim PA, Benavente O. Post-Thrombolysis Intracranial Hemorrhage Risk of Cerebral Microbleeds: A Systematic Review and Meta-analysis. Int J Stroke 2013;8(5):348-56.
  293. Kwok CS, McDonald SH, Brammar TJ. Group and save is safe and cost effective in elective total hip arthroplasty – completion of an audit cycle.  Transfusion Med 2012; 23(1):61-3.
  294. Kwok CS, Gibbs S, Bennett C, Holland R, Abbott R.  Topical treatment for cutaneous warts.  Cochrane Database of Syst Rev 2012;9:CD001781.
  295. Loke YK, Brown JWL, Kwok CS, Niruban A, Myint PK. Association of obstructive sleep apnea with risk of serious cardiovascular events: systematic review and meta-analysis. Circ CV Qual 2012;5(5):720-8.
  296. Myint PK, CS Kwok, A Clark, Angus DC, Capelastegui A, Espana PP, Eurich DT, Fine MJ, Huang DT, Majumdar SR, Man SY, Marrie TJ, Rainer TH, Yealy DM, Loke YK. The International Community-acquired Pneumonia (CAP) Collaboration Cohort (ICCC) study: Rationale, design and description of study cohorts and patients.  BMJ Open 2012;2(3). pii:e001030.
  297. Kwok CS, Arthur AK, Anibueze CI, Singh S, Cavallazzi R, Loke YK. Risk of Clostridium difficile infection with acid suppression agents and antibiotics: Meta-analysis. Am J Gastroenterol 2012;107(7):1011-9.
  298. Kwok CS, Skinner J, Metcalf AK, Potter JF, Myint PK. Prior antiplatelet or anticoagulant therapy and mortality in stroke. Heart 2012;98(9):712-7.
  299. Jennings BA, Kwok CS, Willis G, Matthews V, Wawruch P, Loke YK. Functional polymorphisms of folate metabolism and response to chemotherapy for colorectal cancer; a systematic review and meta-analysis. Pharmcogenet Genomics 2012;22(4):290-304.
  300. Kwok CS, Clark A, Ford GA, Durairaj R, Dixit AK, Davis J, Sharma AK, Potter AF, Myint PK. Association between pre-stroke disability and in-patient mortality and length of acute hospital stay following acute stroke. Am J Geri Soc 2012;60(4):726-32.
  301. Kwok CS, Loke YK. Inconsistencies surrounding the risk of adverse outcomes with concomitant use of clopidogrel and proton pump inhibitors. Expert Opin Drug Saf 2012; 11(2):275-84.
  302. Kwok CS, Yeong JK, Turner RM, Cavallazi R, Singh S, Loke YK. Statins and associated risk of pneumonia: a systematic review and meta-analysis of observational studies. Eur J Clin Pharmacol 2012;68(5):747-55.
  303. Kwok CS, Loke YK. Effects of proton pump inhibitors on platelet function in patients receiving clopidogrel: a systematic review. Drug Saf 2012; 35(2):127-39.
  304. Shoamanesh A, Kwok CS, Benavente O. Cerebral microbleeds: histopathological correlation of neuroimaging. Cerebrovasc Dis 2011; 32(6):528-34.
  305. Loke YK, Kwok CS, Singh S. Comparative Cardiovascular Effects of the Thiazolidinediones: Systematic Review and Meta-analysis of Observational Studies. BMJ 2011 Mar 17;342:d1309. doi: 10.1136/bmj.d1309.  Featured on BBC news: http://www.bbc.co.uk/news/health-12771188.
  306. Kwok CS, Holland R, Gibbs S. Efficacy of topical treatments for cutaneous warts: a meta-analysis and pooled analysis of randomized controlled trials. Br J Dermatol 2011; 165(2):233-46.
  307. Kwok CS, Yeong JK, Loke YK. Risk of fractures with acid-suppressing medications. Bone 2011; 48(4):768-76.
  308. Kwok CS, Loke YK, Hale R, Potter JF, Myint PK. Atrial fibrillation and incidence of dementia: a systematic review and meta-analysis. Neurology 2011; 76(10):914-22.  Featured on BBC news: http://www.bbc.co.uk/news/health-12664283.
  309. Parekh-Bhuke S, Kwok SC, Pang C, Hooper L, Loke YK, Ryder JJ, Sutton AJ, Hing CB, Harvey I, Song FJ. How do systematic reviews deal with publication bias? An overview of current practice and comparison with previous assessment. J Clin Epidemiol 2011; 64(4):349-57.
  310. Loke YK, Kwok CS. Dabigatran and rivaroxaban for prevention of venous thromboembolism – systematic review and adjusted indirect comparison. J Clin Pharm Ther 2011; 36(1):111-24.
  311. Kwok CS, Nijjar RS, Loke YK. Meta-analysis: Effects of proton pump inhibitors on adverse gastrointestinal events in patients receiving clopidogrel. Drug Saf 2011; 34(1):47-57.
  312. Loke YK, Kwok CS, Niruban A, Myint PK. Value of severity scales in predicting mortality from community-acquired pneumonia: systematic review and meta-analysis. Thorax 2010; 65(10):884-90.
  313. Kwok CS, Loke YK. Critical overview of the benefits and harms of aspirin. Pharmaceuticals 2010; 3(5):1491-1506.
  314. Song F, Parekh S, Hooper L, Loke Y, Ryder J, Sutton A, Hing C, Kwok C, Pang C, Harvey I. Dissemination and publication of research findings: an updated review of related biases. Health Technol Assess 2010; 14(8):1-220.
  315. Kwok CS, Loke YK. Meta-analysis: effects of proton pump inhibitors on cardiovascular events and mortality in patients receiving clopidogrel. Aliment Pharmacol Ther 2010; 31(8):810-823.
  316. Loke YK, Kwok CS, Singh. Risk of myocardial infarction and cardiovascular death associated with inhaled corticosteroids in COPD: a systematic review and meta-analysis. Eur Respir J 2010; 35(5):1003-21.
  317. Kwok SC, Schelenz S, Wang X, Steverding D. In vitro effect of DNA topoismoerase inhibitors on Candida albicans. Med Mycol 2009; 48(1):155-160.
  318. Schipper HM, Kwok SC, Rosenthal MS, Bandilla D, Maes O, Melmed C, Rabinovitch D, Burns DH. Spectroscopy of human plasma for diagnosis of idiopathic Parkinson’s disease. Biomarker Med 2008; 2:229-238.
  319. Seli E, Sakkas D, Scott R, Kwok SC, Rosendahl SM, Burns DH. Noninvasive metabolomic profiling of embryo culture media using Raman and near-infrared spectroscopy correlates with reproductive potential of embryos in women undergoing in vitro fertilization. Fertil Steril 2007; 88(5):1350-7.
  320. Brolo AG, Kwok SC, Cooper MD, Moffitt MG, Wang CW, Gordon R, Riordon J, Kavanagh KL. Surface plasmon-quantum dot coupling from arrays of nanoholes. J Phys Chem B 2006; 110(16):8307-13.
  321. Brolo AG, Kwok SC, Moffitt MG, Gordon R, Riordon J, Kavanagh KL. Enhanced fluorescence from arrays of nanoholes in a gold film. J Am Chem Soc 2005; 127(42):149936-41.

 

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