Racial disparities in management and outcomes of out-of-hospital cardiac arrest complicating myocardial infarction; a national study from England and Wales (2021)
Journal Article
Mamas, & Rashid. (2021). Racial disparities in management and outcomes of out-of-hospital cardiac arrest complicating myocardial infarction; a national study from England and Wales. https://doi.org/10.1016/j.cjco.2021.09.026

Background Studies of racial disparities in patients admitted with an OHCA in the setting of AMI have shown inconsistent results. Whether these differences in care exist in a universal healthcare system in England is unknown. Methods Patients admitte... Read More about Racial disparities in management and outcomes of out-of-hospital cardiac arrest complicating myocardial infarction; a national study from England and Wales.

SEX DIFFERENCES IN DISTRIBUTION, MANAGEMENT AND OUTCOMES OF COMBINED ISCHEMIC-BLEEDING RISK FOLLOWING ACUTE CORONARY SYNDROME (2021)
Journal Article
Rashid, & Mamas. (2021). SEX DIFFERENCES IN DISTRIBUTION, MANAGEMENT AND OUTCOMES OF COMBINED ISCHEMIC-BLEEDING RISK FOLLOWING ACUTE CORONARY SYNDROME. Journal of the American College of Cardiology, 39 - 39. https://doi.org/10.1016/S0735-1097%2821%2901398-X

Background: Risk factors of bleeding and recurrent ischemic events after acute coronary syndrome (ACS) often overlap. Whether the distribution and management of these complications vary by sex remains unknown. Methods: ACS hospitalizations in the Uni... Read More about SEX DIFFERENCES IN DISTRIBUTION, MANAGEMENT AND OUTCOMES OF COMBINED ISCHEMIC-BLEEDING RISK FOLLOWING ACUTE CORONARY SYNDROME.

Clinical outcomes of percutaneous coronary intervention for chronic total occlusion in prior coronary artery bypass grafting patients (2021)
Journal Article
Rashid, M., Shoaib, A., Mohamed, M., Curzen, N., Ludman, P., Zaman, A., Nolan, J., Azam, Z. A., Kinnaird, T., & Mamas, M. A. (2021). Clinical outcomes of percutaneous coronary intervention for chronic total occlusion in prior coronary artery bypass grafting patients. Catheterization and Cardiovascular Interventions, 99(1), 74-84. https://doi.org/10.1002/ccd.29691

OBJECTIVE: To compare the clinical characteristics and outcomes in patients with stable angina who have undergone chronic total occlusion (CTO) percutaneous coronary intervention (PCI) in native arteries with or without prior coronary artery bypass g... Read More about Clinical outcomes of percutaneous coronary intervention for chronic total occlusion in prior coronary artery bypass grafting patients.

Ethnic disparities in care and outcomes of non-ST-segment elevation myocardial infarction: a nationwide cohort study. (2021)
Journal Article
Mamas, & Rashid. (2021). Ethnic disparities in care and outcomes of non-ST-segment elevation myocardial infarction: a nationwide cohort study. European Heart Journal - Quality of Care and Clinical Outcomes, https://doi.org/10.1093/ehjqcco/qcab030

BACKGROUND: Little is known about ethnic disparities in care and clinical outcomes of patients admitted with non-ST-segment elevation myocardial infarction (NSTEMI) in national cohorts from universal healthcare systems derived from Europe. METHODS &... Read More about Ethnic disparities in care and outcomes of non-ST-segment elevation myocardial infarction: a nationwide cohort study..

Revascularisation strategies in patients with significant left main coronary disease during the COVID-19 pandemic. (2021)
Journal Article
Rashid, M., Mamas, Mohamed, M. O., Curzen, N., de Belder, M., Goodwin, A. T., Spratt, J. C., Balacumaraswami, L., Deanfield, J., Martin, G. P., Shoaib, A., Gale, C. P., Kinnaird, T., & Mamas, M. A. (2021). Revascularisation strategies in patients with significant left main coronary disease during the COVID-19 pandemic. Catheterization & Cardiovascular Interventions, 98(7), 1252-1261. https://doi.org/10.1002/ccd.29663

BACKGROUND: There are limited data on the impact of the COVID-19 pandemic on left main (LM) coronary revascularisation activity, choice of revascularisation strategy, and post-procedural outcomes. METHODS: All patients with LM disease (=50% stenosis)... Read More about Revascularisation strategies in patients with significant left main coronary disease during the COVID-19 pandemic..

Racial differences in management and outcomes of acute myocardial infarction during COVID19 pandemic (2021)
Journal Article
Rashid, & Mamas. (2021). Racial differences in management and outcomes of acute myocardial infarction during COVID19 pandemic. Heart, 734-740. https://doi.org/10.1136/heartjnl-2020-318356

Objective: There are concerns that health care and outcomes of BAME communities are disproportionately impacted by the COVID19 pandemic. We investigated admission rates, treatment and mortality of Black, Asian and Minority Ethnic (BAME) with acute my... Read More about Racial differences in management and outcomes of acute myocardial infarction during COVID19 pandemic.

In-Hospital and 30-Day Mortality After Percutaneous Coronary Intervention in England in the Pre-COVID and COVID Eras (2021)
Journal Article
Mamas, M., & Rashid, M. (2021). In-Hospital and 30-Day Mortality After Percutaneous Coronary Intervention in England in the Pre-COVID and COVID Eras. Journal of Invasive Cardiology,

BACKGROUND: Public reporting of percutaneous coronary intervention (PCI) outcomes is a performance metric and a requirement in many healthcare systems. There are inconsistent data on the causes of death after PCI, and the proportion of these deaths t... Read More about In-Hospital and 30-Day Mortality After Percutaneous Coronary Intervention in England in the Pre-COVID and COVID Eras.

Outcomes of COVID-19 Positive Acute Coronary Syndrome Patients; a multisource Electronic Healthcare Records Study from England. (2021)
Journal Article
Rashid, M., Wu, J., Timmis, A., Curzen, N., Clarke, S., Zaman, A., Nolan, J., Shoaib, A., Mohamed, M. O., de Belder, M. A., Deanfield, J., Gale, C. P., & Mamas, M. A. (2021). Outcomes of COVID-19 Positive Acute Coronary Syndrome Patients; a multisource Electronic Healthcare Records Study from England. Journal of Internal Medicine, 290(1), 88-100. https://doi.org/10.1111/joim.13246

BACKGROUND: Patients with underlying cardiovascular disease and Coronavirus disease 2019 (COVID-19) infection are at increased risk of morbidity and mortality.

OBJECTIVES: This study was designed to characterise the presenting profile and outcomes... Read More about Outcomes of COVID-19 Positive Acute Coronary Syndrome Patients; a multisource Electronic Healthcare Records Study from England..

Sex differences in distribution, management and outcomes of combined ischemic-bleeding risk following acute coronary syndrome (2020)
Journal Article
Rashid, & Mamas. (2020). Sex differences in distribution, management and outcomes of combined ischemic-bleeding risk following acute coronary syndrome. International Journal of Cardiology, https://doi.org/10.1016/j.ijcard.2020.12.063

Background
Risk factors for further bleeding and ischemic events after acute coronary syndrome (ACS) often overlap. Little is known about sex-based differences in the management and outcomes of ACS patients according to their combined bleeding-ische... Read More about Sex differences in distribution, management and outcomes of combined ischemic-bleeding risk following acute coronary syndrome.

Impact of COVID-19 on cardiac procedure activity in England and associated 30-day mortality (2020)
Journal Article
Mohamed, M. O., Banerjee, A., Clarke, S., de Belder, M., Patwala, A., Goodwin, A. T., Shing Kwok, C., Rashid, M., Gale, C. P., Curzen, N., & Mamas, M. (2021). Impact of COVID-19 on cardiac procedure activity in England and associated 30-day mortality. European Heart Journal - Quality of Care and Clinical Outcomes, 7(3), 247-256. https://doi.org/10.1093/ehjqcco/qcaa079

Background: Limited data exists on the impact of COVID-19 on national changes in cardiac procedure activity, including patient characteristics and clinical outcomes before and during the COVID-19 pandemic.

Methods and Results: All major cardiac pr... Read More about Impact of COVID-19 on cardiac procedure activity in England and associated 30-day mortality.

Impact of COVID19 Pandemic on the Incidence and Management of Out of Hospital Cardiac Arrest in Patients Presenting with Acute Myocardial Infarction in England (2020)
Journal Article
Rashid, M., Gale, C. P., Curzen, N., Ludman, P., De Belder, M., Timmis, A., Mohamed, M. O., Lüscher, T. F., Hains, J., Wu, J., Shoaib, A., Kontopantelis, E., Roebuck, C., Denwood, T., Deanfield, J., & Mamas, M. (2020). Impact of COVID19 Pandemic on the Incidence and Management of Out of Hospital Cardiac Arrest in Patients Presenting with Acute Myocardial Infarction in England. Journal of the American Heart Association Cardiovascular and Cerebrovascular Disease, 9(22), https://doi.org/10.1161/JAHA.120.018379

Background: Studies have reported significant reduction in acute myocardial infarction (AMI) related hospitalizations during the COVID19 pandemic. However, whether these trends are associated with increased incidence of Out of Hospital Cardiac Arrest... Read More about Impact of COVID19 Pandemic on the Incidence and Management of Out of Hospital Cardiac Arrest in Patients Presenting with Acute Myocardial Infarction in England.

Trends of repeat revascularization choice in patients with prior coronary artery bypass surgery (2020)
Journal Article
Rashid, & Mamas. (2020). Trends of repeat revascularization choice in patients with prior coronary artery bypass surgery. Catheterization and Cardiovascular Interventions, https://doi.org/10.1002/ccd.29234

Objective: To examine rates and predictors repeat revascularization strategies (percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG)) in patients with prior CABG.
Methods: Using the National Inpatient Sample, patients... Read More about Trends of repeat revascularization choice in patients with prior coronary artery bypass surgery.

Clinical Characteristics and Outcomes From Percutaneous Coronary Intervention of Last Remaining Coronary Artery: An Analysis From the British Cardiovascular Intervention Society Database. (2020)
Journal Article
Shoaib, A., Rashid, M., Kontopantelis, E., Sharp, A., Fahy, E. F., Nolan, J., Townend, J., Ludman, P., Ratib, K., Azam, Z. A., Ahmad, A., McEntegart, M., Mohamed, M., Kinnaird, T., & Mamas, M. A. (2020). Clinical Characteristics and Outcomes From Percutaneous Coronary Intervention of Last Remaining Coronary Artery: An Analysis From the British Cardiovascular Intervention Society Database. Circulation: Cardiovascular Interventions, 13(9), Article e009049. https://doi.org/10.1161/CIRCINTERVENTIONS.120.009049

BACKGROUND: Patients with complex high-risk coronary anatomy, such as those with a last remaining patent vessel (LRPV), are increasingly revascularized with percutaneous coronary intervention (PCI) in contemporary practice. There are limited data on... Read More about Clinical Characteristics and Outcomes From Percutaneous Coronary Intervention of Last Remaining Coronary Artery: An Analysis From the British Cardiovascular Intervention Society Database..

Outcomes of Percutaneous Coronary Intervention in Cardiac Transplant Patients: A Binational Analysis Derived From the United Kingdom and United States. (2020)
Journal Article
Rashid, & Mamas. (2020). Outcomes of Percutaneous Coronary Intervention in Cardiac Transplant Patients: A Binational Analysis Derived From the United Kingdom and United States. Journal of Invasive Cardiology, 321 - 329

AIMS: To compare and contrast the indications, clinical and procedural characteristics, and periprocedural outcomes of patients with cardiac transplant undergoing percutaneous coronary intervention (PCI) in the United States and United Kingdom. METHO... Read More about Outcomes of Percutaneous Coronary Intervention in Cardiac Transplant Patients: A Binational Analysis Derived From the United Kingdom and United States..

Clinical Characteristics and Outcomes of COVID-19 Positive Acute Coronary Syndrome Patients; a multisource Electronic Healthcare Records Study from England (2020)
Journal Article
Mamas, & Rashid. (2020). Clinical Characteristics and Outcomes of COVID-19 Positive Acute Coronary Syndrome Patients; a multisource Electronic Healthcare Records Study from England. MedRxiv, https://doi.org/10.1101/2020.08.20.20175091

Background: Patients with underlying cardiovascular disease and Coronavirus disease 2019 (COVID-19) infection are at increased risk of morbidity and mortality. However, there is limited information on management and outcomes of patients presenting wi... Read More about Clinical Characteristics and Outcomes of COVID-19 Positive Acute Coronary Syndrome Patients; a multisource Electronic Healthcare Records Study from England.

Adoption of same day discharge following elective left main stem percutaneous coronary intervention. (2020)
Journal Article
Mamas, & Rashid. (2020). Adoption of same day discharge following elective left main stem percutaneous coronary intervention. International Journal of Cardiology, https://doi.org/10.1016/j.ijcard.2020.07.038

BACKGROUND: This study sought to investigate the safety and feasibility of same day discharge (SDD) practice and compare clinical outcomes to patients admitted for overnight stay (ON) undergoing elective left main stem (LMS) percutaneous coronary int... Read More about Adoption of same day discharge following elective left main stem percutaneous coronary intervention..

Trends of in-hospital and 30-day mortality after percutaneous coronary intervention in England before and after the COVID-19 era (2020)
Journal Article
Mamas, & Rashid. (2020). Trends of in-hospital and 30-day mortality after percutaneous coronary intervention in England before and after the COVID-19 era. MedRxiv, https://doi.org/10.1101/2020.07.18.20155549v1

Objectives: To examine short-term primary causes of death after percutaneous coronary intervention (PCI) in a national cohort before and during COVID-19. Background: Public reporting of PCI outcomes is a performance metric and a requirement in many h... Read More about Trends of in-hospital and 30-day mortality after percutaneous coronary intervention in England before and after the COVID-19 era.

Association between Hospital Cardiac Catheter Laboratory Status, use of an Invasive Strategy and Outcomes after NSTEMI (2020)
Journal Article
Mamas, Nolan, & Rashid. (2020). Association between Hospital Cardiac Catheter Laboratory Status, use of an Invasive Strategy and Outcomes after NSTEMI. Canadian Journal of Cardiology, 868-877. https://doi.org/10.1016/j.cjca.2019.10.010

Background
While previous studies report increased use of invasive coronary strategy in patients admitted to hospitals with onsite cardiac catheter laboratory (CCL) facilities, the utility of invasive coronary strategy according to types of CCL faci... Read More about Association between Hospital Cardiac Catheter Laboratory Status, use of an Invasive Strategy and Outcomes after NSTEMI.

Contributors to the Growth of Same Day Discharge After Elective Percutaneous Coronary Intervention (2020)
Journal Article
Taxiarchi, P., Martin, G. P., Kinnaird, T., Curzen, N., Ahmed, J., Ludman, P., De Belder, M., Shoaib, A., Rashid, M., Kontopantelis, E., & Mamas, M. A. (2020). Contributors to the Growth of Same Day Discharge After Elective Percutaneous Coronary Intervention. Circulation: Cardiovascular Interventions, 13(3), e008458 - ?. https://doi.org/10.1161/CIRCINTERVENTIONS.119.008458

BACKGROUND: Financial pressures for reducing hospitalization costs have driven to a move toward same day discharge (SDD) following uncomplicated percutaneous coronary intervention. The UK healthcare system has transitioned to predominantly SDD for el... Read More about Contributors to the Growth of Same Day Discharge After Elective Percutaneous Coronary Intervention.

Outcomes of cardiac implantable electronic device transvenous lead extractions performed in centers without onsite cardiac surgery (2020)
Journal Article
Mohamed, M., Rashid, M., Greenspon, A., Barker, D., Patwala, A., Mamas, M., Potts, J., Contractor, T., & Kwok, C. (2020). Outcomes of cardiac implantable electronic device transvenous lead extractions performed in centers without onsite cardiac surgery. International Journal of Cardiology, 154-160. https://doi.org/10.1016/j.ijcard.2019.07.095

Background: While major complications associated with CIED lead extractions are uncommon, they carry a significant risk of morbidity and mortality in the absence of surgical intervention. However, there is limited data on the differences in outcomes... Read More about Outcomes of cardiac implantable electronic device transvenous lead extractions performed in centers without onsite cardiac surgery.