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Retroperitoneal Hemorrhage After Percutaneous Coronary Intervention: Incidence, Determinants, and Outcomes as Recorded by the British Cardiovascular Intervention Society. (2018)
Journal Article
Kontopantelis, E., Kinnaird, T., Potts, J., Rashid, M., Shoaib, A., Nolan, J., …Cardiovascular Intervention Society (BCIS) and National, B. (2018). Retroperitoneal Hemorrhage After Percutaneous Coronary Intervention: Incidence, Determinants, and Outcomes as Recorded by the British Cardiovascular Intervention Society. Circulation: Cardiovascular Interventions, 11(2), Article e005866. https://doi.org/10.1161/CIRCINTERVENTIONS.117.005866

BACKGROUND: Retroperitoneal hemorrhage (RH) is a rare bleeding complication of percutaneous coronary intervention, which can result as a consequence of femoral access or can occur spontaneously. This study aims to evaluate temporal changes in RH, its... Read More about Retroperitoneal Hemorrhage After Percutaneous Coronary Intervention: Incidence, Determinants, and Outcomes as Recorded by the British Cardiovascular Intervention Society..

Hyperglycaemia and the SOAR stroke score in predicting mortality (2017)
Journal Article
McCall, S. J., Alanazi, T. A., Clark, A. B., Musgrave, S. D., Bettencourt-Silva, J. H., Bachmann, M. O., …Myint, P. K. (2018). Hyperglycaemia and the SOAR stroke score in predicting mortality. Diabetes and Vascular Disease Research, 15(2), 114-121. https://doi.org/10.1177/1479164117743034

Background: We assessed the association between admission blood glucose levels and acute stroke mortality and examined whether there was any incremental value of adding glucose status to the validated acute stroke mortality predictor – the SOAR (str... Read More about Hyperglycaemia and the SOAR stroke score in predicting mortality.

Impact of Access Site Practice on Clinical Outcomes in Patients Undergoing Percutaneous Coronary Intervention Following Thrombolysis for ST-Segment Elevation Myocardial Infarction in the United Kingdom : An Insight From the British Cardiovascular Intervention Society Dataset (2017)
Journal Article
Rashid, M., Rushton, C. A., Kwok, C. S., Kinnaird, T., Kontopantelis, E., Olier, I., …Mamas, M. (2017). Impact of Access Site Practice on Clinical Outcomes in Patients Undergoing Percutaneous Coronary Intervention Following Thrombolysis for ST-Segment Elevation Myocardial Infarction in the United Kingdom : An Insight From the British Cardiovascular Intervention Society Dataset. JACC. Cardiovascular interventions, 10(22), 2258 -2265. https://doi.org/10.1016/j.jcin.2017.07.049

Objectives This study sought to examine the relationship between access site practice and clinical outcomes in patients requiring percutaneous coronary intervention (PCI) following thrombolysis for ST-segment elevation myocardial infarction (STEMI).... Read More about Impact of Access Site Practice on Clinical Outcomes in Patients Undergoing Percutaneous Coronary Intervention Following Thrombolysis for ST-Segment Elevation Myocardial Infarction in the United Kingdom : An Insight From the British Cardiovascular Intervention Society Dataset.

25 Vascular access site and outcomes among 26,807 CTO-PCI cases from the national angioplasty audit (2017)
Journal Article
Kinnaird, T., Anderson, R., Gallagher, S., Large, A., Strange, J., Ludman, P., …Mamas, M. (2017). 25 Vascular access site and outcomes among 26,807 CTO-PCI cases from the national angioplasty audit. Heart, 103(S7), https://doi.org/10.1136/heartjnl-2017-BCIS.25

Background Use of radial access in chronic total occlusion percutaneous coronary intervention (CTO-PCI) warrants further investigation. Using the BCIS PCI database, access site choice and outcomes after CTO-PCI were assessed. Methods Data were ana... Read More about 25 Vascular access site and outcomes among 26,807 CTO-PCI cases from the national angioplasty audit.

Association Between Type 2 Diabetes and All-Cause Hospitalization and Mortality in the UK General Heart Failure Population (2017)
Journal Article
Lawson, C. A., Jones, P. W., Teece, L., Dunbar, S. B., Seferovic, P. M., Khunti, K., …Kadam, U. T. (2018). Association Between Type 2 Diabetes and All-Cause Hospitalization and Mortality in the UK General Heart Failure Population. JACC: Heart Failure, 6(1), 18-26. https://doi.org/10.1016/j.jchf.2017.08.020

Objectives This study sought to investigate in the general heart failure (HF) population, whether the associations between type 2 diabetes (T2D) and risk of hospitalization and death, are modified by changing glycemic or drug treatment intensity.... Read More about Association Between Type 2 Diabetes and All-Cause Hospitalization and Mortality in the UK General Heart Failure Population.

Hand dysfunction after transradial artery catheterization for coronary procedures (2017)
Journal Article
Ayyaz Ul Haq, M., Rashid, M., Shing Kwok, C., Wai Wong, C., Nolan, J., & Mamas, M. A. (2017). Hand dysfunction after transradial artery catheterization for coronary procedures. World Journal of Cardiology, 9(7), 609-619. https://doi.org/10.4330/wjc.v9.i7.609

AIM To sythesize the available literature on hand dysfunction after transradial catheterization. METHODS We searched MEDLINE and EMBASE. The search results were reviewed by two independent judicators for studies that met the inclusion criteria a... Read More about Hand dysfunction after transradial artery catheterization for coronary procedures.

Radial artery perforation treated with balloon tracking and guide catheter tamponade - A case series. (2016)
Journal Article
George, S., Mamas, M., Nolan, J., & Ratib, K. (2016). Radial artery perforation treated with balloon tracking and guide catheter tamponade - A case series. Cardiovascular Revascularization Medicine, 17(7), 480-486. https://doi.org/10.1016/j.carrev.2016.06.005

A 78year old woman was admitted with an acute coronary syndrome. She underwent coronary angiography via the left radial artery which was complicated by a guide catheter induced radial artery perforation confirmed by extravasation of contrast into the... Read More about Radial artery perforation treated with balloon tracking and guide catheter tamponade - A case series..

Transcatheter Aortic Valve Implantation With or Without Preimplantation Balloon Aortic Valvuloplasty: A Systematic Review and Meta‐Analysis (2016)
Journal Article
Bagur, R., Kwok, C. S., Nombela‐Franco, L., Ludman, P. F., de Belder, M. A., Sponga, S., …Mamas, M. A. (2016). Transcatheter Aortic Valve Implantation With or Without Preimplantation Balloon Aortic Valvuloplasty: A Systematic Review and Meta‐Analysis. Journal of the American Heart Association Cardiovascular and Cerebrovascular Disease, 5(6), https://doi.org/10.1161/jaha.115.003191

THE PREVALENCE, PREDICTORS AND OUTCOMES ASSOCIATED WITH ANAEMIA AMONG PATIENTS THAT PRESENT WITH ACS: INSIGHTS FROM THE UK MINAP REGISTRY (2016)
Journal Article
Kwok, C. S., Mamas, A. M., Kontopantelis, E., Fryer, A. A., Buchan, I., Bachmann, M. O., …Myint, P. K. (2016). THE PREVALENCE, PREDICTORS AND OUTCOMES ASSOCIATED WITH ANAEMIA AMONG PATIENTS THAT PRESENT WITH ACS: INSIGHTS FROM THE UK MINAP REGISTRY. Heart, 102(S6), A76-A76. https://doi.org/10.1136/heartjnl-2016-309890.107

Background Data from both registry and post-hoc analysis of randomised controlled trials have suggested that the burden of anaemia among patients admitted with acute coronary syndrome (ACS) is significant. However, current guidelines fail to offer fi... Read More about THE PREVALENCE, PREDICTORS AND OUTCOMES ASSOCIATED WITH ANAEMIA AMONG PATIENTS THAT PRESENT WITH ACS: INSIGHTS FROM THE UK MINAP REGISTRY.

Transcatheter Aortic Valve Implantation With or Without Pre-implantation Balloon Aortic Valvuloplasty: A Systematic Review and Meta-analysis (2016)
Journal Article
Bagur, R., Shing Kwok, C., Nombela-Franco, L., Ludman, P., de Belder, M., Sponga, S., …Mamas, M. (2016). Transcatheter Aortic Valve Implantation With or Without Pre-implantation Balloon Aortic Valvuloplasty: A Systematic Review and Meta-analysis. Journal of the American Heart Association Cardiovascular and Cerebrovascular Disease, 67(13), 411-411. https://doi.org/10.1016/S0735-1097%2816%2930412-0

Objectives: Pre-implantation balloon-aortic valvuloplasty (BAV) is considered routine procedure during transcatheter aortic valve implantation (TAVI) to facilitate prosthesis implantation and expansion; however, it has been speculated that fewer embo... Read More about Transcatheter Aortic Valve Implantation With or Without Pre-implantation Balloon Aortic Valvuloplasty: A Systematic Review and Meta-analysis.

Changes in arterial access site and association with mortality in the United Kingdom: observations from a national percutaneous coronary intervention database (2016)
Journal Article
Mamas, M. A., Nolan, J., de Belder, M. A., Zaman, A., Kinnaird, T., Curzen, N., …Kontopantelis, E. (2016). Changes in arterial access site and association with mortality in the United Kingdom: observations from a national percutaneous coronary intervention database. Circulation, 133(17), 1655-1667. https://doi.org/10.1161/CIRCULATIONAHA.115.018083

Background The transradial access (TRA) site has become the default access site for PCI in the UK with randomized trials and national registry data showing reductions in mortality associated with TRA utilization. This study evaluates regional changes... Read More about Changes in arterial access site and association with mortality in the United Kingdom: observations from a national percutaneous coronary intervention database.

Radial artery occlusion after transradial interventions: a systematic review and meta-analysis (2016)
Journal Article
Rashid, M., Shing Kwok, C., Pancholy, S., Chugh, S., Kedev, S. A., Bernat, I., …Mamas, M. (2016). Radial artery occlusion after transradial interventions: a systematic review and meta-analysis. Journal of the American Heart Association Cardiovascular and Cerebrovascular Disease, 51(1), https://doi.org/10.1161/JAHA.115.002686

Abstract Objectives: To investigate the incidence and factors influencing radial artery occlusion (RAO) post trans-radial access (TRA) for cardiac catheterization. Background: RAO may occur post trans-radial intervention and limits the radial artery... Read More about Radial artery occlusion after transradial interventions: a systematic review and meta-analysis.

Risk Related to Pre–Diabetes Mellitus and Diabetes Mellitus in Heart Failure With Reduced Ejection Fraction (2016)
Journal Article
Mamas. (2016). Risk Related to Pre–Diabetes Mellitus and Diabetes Mellitus in Heart Failure With Reduced Ejection Fraction. Circulation: Heart Failure, https://doi.org/10.1161/CIRCHEARTFAILURE.115.002560

Background— The prevalence of pre–diabetes mellitus and its consequences in patients with heart failure and reduced ejection fraction are not known. We investigated these in the Prospective Comparison of ARNI With ACEI to Determine Impact on Global... Read More about Risk Related to Pre–Diabetes Mellitus and Diabetes Mellitus in Heart Failure With Reduced Ejection Fraction.

Major Bleeding and Adverse Outcome following Percutaneous Coronary Intervention (2015)
Journal Article
Holroyd, E. W., Khoo, C. W., Butler, R., Fraser, D. G., Nolan, J., & Mamas, M. A. (2015). Major Bleeding and Adverse Outcome following Percutaneous Coronary Intervention. Interventional Cardiology: Reviews, Research, Resources, 10(1), 22-25. https://doi.org/10.15420/icr.2015.10.1.22

Advances in anti-thrombotic and anti-platelet therapies have improved outcomes in patients undergoing percutaneous coronary interventions (PCIs) through a reduction in ischaemic events, at the expense of peri-procedural bleeding complications. These... Read More about Major Bleeding and Adverse Outcome following Percutaneous Coronary Intervention.

Stroke following percutaneous coronary intervention: type-specific incidence, outcomes and determinants seen by the British Cardiovascular Intervention Society 2007-12 (2015)
Journal Article
Shing Kwok, C., Kontopantelis, E., Myint, P. K., Zaman, A., Berry, C., Keavney, B., …Mamas, M. (2015). Stroke following percutaneous coronary intervention: type-specific incidence, outcomes and determinants seen by the British Cardiovascular Intervention Society 2007-12. European Heart Journal, 36(25), 1618 -1628. https://doi.org/10.1093/eurheartj/ehv113

AIMS: This study aims to evaluate temporal changes in stroke complications and their association with mortality and MACE outcomes in a national cohort of patients undergoing percutaneous coronary interventions (PCIs) in England and Wales. METHODS AND... Read More about Stroke following percutaneous coronary intervention: type-specific incidence, outcomes and determinants seen by the British Cardiovascular Intervention Society 2007-12.

Access and Non–Access Site Bleeding After Percutaneous Coronary Intervention and Risk of Subsequent Mortality and Major Adverse Cardiovascular Events: Systematic Review and Meta-Analysis (2015)
Journal Article
Kwok, C. S., Khan, M. A., Rao, S. V., Kinnaird, T., Sperrin, M., Buchan, I., …Mamas, M. A. (2015). Access and Non–Access Site Bleeding After Percutaneous Coronary Intervention and Risk of Subsequent Mortality and Major Adverse Cardiovascular Events: Systematic Review and Meta-Analysis. Circulation: Cardiovascular Interventions, 8(4), https://doi.org/10.1161/circinterventions.114.001645

Background— The prognostic impact of site-specific major bleeding complications after percutaneous coronary intervention (PCI) has yielded conflicting data. The aim of this study is to provide an overview of site-specific major bleeding events in co... Read More about Access and Non–Access Site Bleeding After Percutaneous Coronary Intervention and Risk of Subsequent Mortality and Major Adverse Cardiovascular Events: Systematic Review and Meta-Analysis.

Impact of age on access site‐related outcomes in 469,983 percutaneous coronary intervention procedures: Insights from the British Cardiovascular Intervention Society (2015)
Journal Article
Anderson, S. G., Ratib, K., Myint, P. K., Keavney, B., Kwok, C. S., Zaman, A., …Mamas, M. A. (2015). Impact of age on access site‐related outcomes in 469,983 percutaneous coronary intervention procedures: Insights from the British Cardiovascular Intervention Society. Catheterization and Cardiovascular Interventions, 86(6), 965-972. https://doi.org/10.1002/ccd.25896

We investigate adoption of the TRA in different age groups and study the relationship between age and access site related outcomes in a national cohort of patients undergoing PCI in the UK. Previous studies have reported conflicting data on radial ac... Read More about Impact of age on access site‐related outcomes in 469,983 percutaneous coronary intervention procedures: Insights from the British Cardiovascular Intervention Society.