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Antithrombotic treatment after coronary artery bypass graft surgery: systematic review and network meta-analysis. (2019)
Journal Article
Mamas. (2019). Antithrombotic treatment after coronary artery bypass graft surgery: systematic review and network meta-analysis. BMJ, l5476 -?. https://doi.org/10.1136/bmj.l5476

OBJECTIVE: To assess the effects of different oral antithrombotic drugs that prevent saphenous vein graft failure in patients undergoing coronary artery bypass graft surgery. DESIGN: Systematic review and network meta-analysis. DATA SOURCES: Medli... Read More about Antithrombotic treatment after coronary artery bypass graft surgery: systematic review and network meta-analysis..

Does prior antithrombotic therapy influence recurrence and bleeding risk in stroke patients with atrial fibrillation or atrial flutter? (2019)
Journal Article
Mamas. (2019). Does prior antithrombotic therapy influence recurrence and bleeding risk in stroke patients with atrial fibrillation or atrial flutter?. European Journal of Preventive Cardiology, 2047487319871709 - 2047487319871709. https://doi.org/10.1177/2047487319871709

Background Whilst antithrombotic therapy is recommended in people with atrial fibrillation, little is known about the survival benefits of antithrombotic treatment in those with both high ischaemic and bleeding risk scores. We aim to describe the dis... Read More about Does prior antithrombotic therapy influence recurrence and bleeding risk in stroke patients with atrial fibrillation or atrial flutter?.

Combinations of bleeding and ischemic risk and their association with clinical outcomes in acute coronary syndrome. (2019)
Journal Article
Mamas, M., & Rashid, M. (2019). Combinations of bleeding and ischemic risk and their association with clinical outcomes in acute coronary syndrome. International Journal of Cardiology, 7-14. https://doi.org/10.1016/j.ijcard.2019.05.035

Acute coronary syndromes (ACS) are an important cause of morbidity and mortality worldwide. Current guidelines recommend early management with potent antiplatelet agents and an early invasive coronary intervention strategy for both non-ST elevation m... Read More about Combinations of bleeding and ischemic risk and their association with clinical outcomes in acute coronary syndrome..

Effect of Concomitant Atrial Fibrillation on In-Hospital Outcomes of Non-ST-Elevation-Acute Coronary Syndrome Related Hospitalizations in the United States (2019)
Journal Article
Mamas, M., & Rashid, M. (2019). Effect of Concomitant Atrial Fibrillation on In-Hospital Outcomes of Non-ST-Elevation-Acute Coronary Syndrome Related Hospitalizations in the United States. American Journal of Cardiology, 465-475. https://doi.org/10.1016/j.amjcard.2019.05.040

Atrial fibrillation (AF) is the most common arrhythmia in patients presenting with acute coronary syndrome (ACS). The present study examined the rates and trends of clinical outcomes and management strategies of non-ST-elevation ACS (NSTE-ACS) relate... Read More about Effect of Concomitant Atrial Fibrillation on In-Hospital Outcomes of Non-ST-Elevation-Acute Coronary Syndrome Related Hospitalizations in the United States.

Prevalence, outcomes and costs according to patient frailty status for 2.9 million cardiac electronic device implantations in the United States (2019)
Journal Article
Mamas, M., & Rashid, M. (2019). Prevalence, outcomes and costs according to patient frailty status for 2.9 million cardiac electronic device implantations in the United States. Canadian Journal of Cardiology, 1465-1474. https://doi.org/10.1016/j.cjca.2019.07.632

Background: Little is known about the impact of frailty on length of stay (LOS), cost and inhospital procedural outcomes of cardiac implantable electronic device (CIED) implantation procedures. Methods: All de novo CIED implantations recorded in t... Read More about Prevalence, outcomes and costs according to patient frailty status for 2.9 million cardiac electronic device implantations in the United States.

Weekend effect in acute coronary syndrome: A meta-analysis of observational studies. (2019)
Journal Article
Mamas. (2019). Weekend effect in acute coronary syndrome: A meta-analysis of observational studies. European Heart Journal: Acute Cardiovascular Care, 432-442. https://doi.org/10.1177/2048872618762634

BACKGROUND: The effect of a weekend compared with a weekday hospital admission on patient outcomes after an acute coronary syndrome is unclear. This study aims to determine whether collectively there is a weekend effect in acute coronary syndrome.... Read More about Weekend effect in acute coronary syndrome: A meta-analysis of observational studies..

20-year trends in cause-specific heart failure outcomes by sex, socioeconomic status, and place of diagnosis: a population-based study (2019)
Journal Article
Mamas. (2019). 20-year trends in cause-specific heart failure outcomes by sex, socioeconomic status, and place of diagnosis: a population-based study. The Lancet Public Health, 406-420. https://doi.org/10.1016/S2468-2667%2819%2930108-2

Background: Heart failure (HF) is a global pandemic but contemporary trends in cause-specific outcomes among different population groups are unknown. Methods: In a retrospective cohort of incident HF patients between 1998 and 2017 (N=88,416,... Read More about 20-year trends in cause-specific heart failure outcomes by sex, socioeconomic status, and place of diagnosis: a population-based study.

Acute Myocardial Infarction in Severe Mental Illness: prevalence, clinical outcomes and process of care in United States hospitalizations. (2019)
Journal Article
Farooq, S., Chew-Graham, C., Mamas, M., & Rashid, M. (2019). Acute Myocardial Infarction in Severe Mental Illness: prevalence, clinical outcomes and process of care in United States hospitalizations. Canadian Journal of Cardiology, 821-830. https://doi.org/10.1016/j.cjca.2019.04.021

Patients with severe mental illness (SMI) are a high-risk group for cardiovascular disease. The present study examined the prevalence and outcomes of SMI patients in a national AMI cohort. SMI has doubled in prevalence amongst AMI patients, mainly du... Read More about Acute Myocardial Infarction in Severe Mental Illness: prevalence, clinical outcomes and process of care in United States hospitalizations..

British Cardiovascular Intervention Society registry framework: a quality improvement initiative on behalf of the National Institute of Cardiovascular Outcomes Research (NICOR) (2019)
Journal Article
Mamas, M., & Rashid, M. (2019). British Cardiovascular Intervention Society registry framework: a quality improvement initiative on behalf of the National Institute of Cardiovascular Outcomes Research (NICOR). European Heart Journal - Quality of Care and Clinical Outcomes, https://doi.org/10.1093/ehjqcco/qcz023

Aims The British Cardiovascular Intervention Society (BCIS) percutaneous coronary intervention (PCI) registry is hosted by the National Institute of Cardiovascular Outcomes Research (NICOR) at Bart’s Heart Centre and collects clinical characteristic... Read More about British Cardiovascular Intervention Society registry framework: a quality improvement initiative on behalf of the National Institute of Cardiovascular Outcomes Research (NICOR).

In-Hospital Outcomes of Transcatheter Aortic Valve Replacement in Patients with Mitral Valve Stenosis (2019)
Journal Article
Mamas. (2019). In-Hospital Outcomes of Transcatheter Aortic Valve Replacement in Patients with Mitral Valve Stenosis. American Journal of Cardiology, 1510-1516. https://doi.org/10.1016/j.amjcard.2019.02.005

Abstract: Background: Little is known about the outcome of patients with MS undergoing transcatheter aortic valve replacement (TAVR). Therefore, we sought to evaluate the potential impact of MS on the outcome of patients who underwent TAVR using the... Read More about In-Hospital Outcomes of Transcatheter Aortic Valve Replacement in Patients with Mitral Valve Stenosis.

Temporal trends and predictors of time to coronary angiography following non-ST-elevation acute coronary syndrome in the USA (2019)
Journal Article
Fischman, D., Martinez, S., Potts, J., Mohamed, M., Kwok, C., Capers, Q., …Mamas, M. (2019). Temporal trends and predictors of time to coronary angiography following non-ST-elevation acute coronary syndrome in the USA. Coronary Artery Disease, 159-170. https://doi.org/10.1097/MCA.0000000000000693

OBJECTIVE: This study aims to investigate the temporal trends in utilization of invasive coronary angiography (CA) at different time points and changing profiles of patients undergoing CA following non-ST-elevation acute coronary syndrome (NSTEACS)... Read More about Temporal trends and predictors of time to coronary angiography following non-ST-elevation acute coronary syndrome in the USA.

Timing and causes of unplanned readmissions after percutaneous coronary intervention: Insights from the Nationwide Readmission Database (2019)
Journal Article
Mamas, M., & Rashid, M. (2019). Timing and causes of unplanned readmissions after percutaneous coronary intervention: Insights from the Nationwide Readmission Database. JACC. Cardiovascular interventions, 734-748. https://doi.org/10.1016/j.jcin.2019.02.007

The rates and causes of readmission at different time periods after PCI remain incompletely elucidated. Among the 2,412,000 patients, 2.5% were readmitted between 0-7 days, 7.6% between 8 and 30 days, 8.9% between 31 and 90 days, and 8.0% between 91... Read More about Timing and causes of unplanned readmissions after percutaneous coronary intervention: Insights from the Nationwide Readmission Database.

Impact of heart failure on stroke mortality and recurrence (2019)
Journal Article
Mamas. (2019). Impact of heart failure on stroke mortality and recurrence. Heart Asia, https://doi.org/10.1136/heartasia-2018-011139

Objective We aimed to examine the impact of heart failure (HF) on stroke mortality (in-hospital and postdischarge) and recurrence in a national stroke cohort from Thailand. Methods We used a large, insurance-based database including all stroke a... Read More about Impact of heart failure on stroke mortality and recurrence.

Radial versus Femoral Approach for Saphenous Vein Grafts Angiography and Interventions (2019)
Journal Article
Mamas. (2019). Radial versus Femoral Approach for Saphenous Vein Grafts Angiography and Interventions. American Heart Journal, 1-8. https://doi.org/10.1016/j.ahj.2018.11.014

Aims Coronary angiography and intervention to saphenous venous grafts (SVGs) remains challenging. This study aimed to investigate the feasibility and safety of the radial approach compared to femoral access in a large cohort of patients undergoing S... Read More about Radial versus Femoral Approach for Saphenous Vein Grafts Angiography and Interventions.

True 99th centile of high sensitivity cardiac troponin for hospital patients: prospective, observational cohort study? (2019)
Journal Article
Mamas. (2019). True 99th centile of high sensitivity cardiac troponin for hospital patients: prospective, observational cohort study?. BMJ, https://doi.org/10.1136/bmj.l729

OBJECTIVE To determine the distribution, and specifically the true 99th centile, of high sensitivity cardiac troponin I (hs-cTnI) for a whole hospital population by applying the hs-cTnI assay currently used routinely at a large teaching hospital.... Read More about True 99th centile of high sensitivity cardiac troponin for hospital patients: prospective, observational cohort study?.

Early readmissions after isolated coronary artery bypass grafting. (2019)
Journal Article
Mamas. (2019). Early readmissions after isolated coronary artery bypass grafting. International Journal of Clinical Practice, e13319 - ?. https://doi.org/10.1111/ijcp.13319

Since its introduction, coronary artery bypass grafting (CABG) has been the revascularisation intervention of choice in patients with complex coronary artery disease [1]. CABG is the most common cardiac surgical procedure [3]. Those reshospitalised w... Read More about Early readmissions after isolated coronary artery bypass grafting..

Relative survival and excess mortality following primary percutaneous coronary intervention for ST-elevation myocardial infarction (2019)
Journal Article
Mamas. (2019). Relative survival and excess mortality following primary percutaneous coronary intervention for ST-elevation myocardial infarction. European Heart Journal: Acute Cardiovascular Care, 68-77. https://doi.org/10.1177/2048872617710790

Background: High survival rates are commonly reported following primary percutaneous coronary intervention for ST-elevation myocardial infarction, with most contemporary studies reporting overall survival. Aims: The aim of this study was to d... Read More about Relative survival and excess mortality following primary percutaneous coronary intervention for ST-elevation myocardial infarction.

Discharge Against Medical Advice after Hospitalization for Acute Myocardial Infarction (2019)
Journal Article
Mamas. (2019). Discharge Against Medical Advice after Hospitalization for Acute Myocardial Infarction. Heart, 315-321. https://doi.org/10.1136/heartjnl-2018-313671

Background Discharge against medical advice (AMA) occurs infrequently but is associated with poor outcomes. There are limited descriptions of discharges AMA in national cohorts of patients with acute myocardial infarction (AMI). This study aims to e... Read More about Discharge Against Medical Advice after Hospitalization for Acute Myocardial Infarction.