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Impact of Socioeconomic Disparities on Care and Outcomes of Cancer Patients Presenting With STEMI Between 2005 and 2019; a Nationwide British Study (2025)
Journal Article
Dafaalla, M., Weight, N., Rashid, M., Nolan, J., & Mamas, M. A. (2025). Impact of Socioeconomic Disparities on Care and Outcomes of Cancer Patients Presenting With STEMI Between 2005 and 2019; a Nationwide British Study. Clinical Cardiology, 48(4), Article e70135. https://doi.org/10.1002/clc.70135

Background: While current evidence suggests that the clinical outcomes of STEMI are worse among patients with cancer, it is unknown what role the patient's socioeconomic status plays. Methods: A nationally linked cohort of STEMI patients (January 200... Read More about Impact of Socioeconomic Disparities on Care and Outcomes of Cancer Patients Presenting With STEMI Between 2005 and 2019; a Nationwide British Study.

Association of quality of care and long-term mortality risk for individuals presenting with ST-segment myocardial infarction (STEMI) by diabetes mellitus status: A nationwide cohort study (2025)
Journal Article
Cole, A., Weight, N., Wijeysundera, H. C., Rashid, M., Yu, D., Healey, E. L., Chew, N. W., Siudak, Z., Khunti, K., Kontopantelis, E., & Mamas, M. A. (in press). Association of quality of care and long-term mortality risk for individuals presenting with ST-segment myocardial infarction (STEMI) by diabetes mellitus status: A nationwide cohort study. Diabetes Research and Clinical Practice, 222, 1-10. https://doi.org/10.1016/j.diabres.2025.112092

This study aimed to assess how diabetes influences the quality of care and longer-term outcomes in contemporary STEMI cohorts. We analysed 283,658 adults hospitalised with STEMI from the United Kingdom Myocardial Ischaemia National Audit Project (MIN... Read More about Association of quality of care and long-term mortality risk for individuals presenting with ST-segment myocardial infarction (STEMI) by diabetes mellitus status: A nationwide cohort study.

Trends in mortality due to ischemic heart diseases among patients with Alzheimer's disease in the United States from 1999 to 2020. (2025)
Journal Article
Akhtar, M., Farooqi, H. A., Nabi, R., Iqbal, J., Ain Munir Abbasi, S. U., Rashid, M., Mushtaq Gardezi, S. K., Ripley, D. P., & Ahmed, R. (2025). Trends in mortality due to ischemic heart diseases among patients with Alzheimer's disease in the United States from 1999 to 2020. International Journal of Cardiology Cardiovascular Risk and Prevention, 25, 1-7. https://doi.org/10.1016/j.ijcrp.2025.200390

BackgroundIschemic heart diseases (IHD) and Alzheimer's Disease (AD) significantly contribute to mortality in aging population. Understanding mortality trends where these conditions overlap is crucial for developing targeted interventions for vulnera... Read More about Trends in mortality due to ischemic heart diseases among patients with Alzheimer's disease in the United States from 1999 to 2020..

15-Year trends, predictors, and outcomes of heart failure hospitalization complicating first acute myocardial infarction in the modern percutaneous coronary intervention era (2025)
Journal Article
Rashid, M., Abramov, D., Naseer, M. U., Van Spall, H. G. C., Ahmed, F. Z., Lawson, C., Dafaalla, M., Kontopantelis, E., Mohamed, M. O., Petrie, M. C., & Mamas, M. A. (in press). 15-Year trends, predictors, and outcomes of heart failure hospitalization complicating first acute myocardial infarction in the modern percutaneous coronary intervention era. European Heart Journal Open, 5(2), 1-11. https://doi.org/10.1093/ehjopen/oeaf013

Aims: Heart failure (HF) following acute myocardial infarction (AMI) is a global health concern, but data on risk factors associated with HF hospitalization post-AMI are limited. Methods and results: We analysed data from the Myocardial Ischaemia Nat... Read More about 15-Year trends, predictors, and outcomes of heart failure hospitalization complicating first acute myocardial infarction in the modern percutaneous coronary intervention era.

Ischemic and bleeding risk after ST-elevation myocardial infarction in patients with active cancer; a nationwide study (2025)
Journal Article
Dafaalla, M., Costa, F., Jia, H., Wijeysundera, H., Rashid, M., Graham, M. M., Wojakowski, W., Chieffo, A., Mintz, G. S., & Mamas, M. A. (in press). Ischemic and bleeding risk after ST-elevation myocardial infarction in patients with active cancer; a nationwide study. European Heart Journal Open, Article oeaf012. https://doi.org/10.1093/ehjopen/oeaf012

Background Treatment of patients with cancer presenting with ST-elevation myocardial infarction (STEMI) is complex given the increased risk of both thrombotic and major bleeding complications. Methods A nationally-linked cohort of STEMI patients betw... Read More about Ischemic and bleeding risk after ST-elevation myocardial infarction in patients with active cancer; a nationwide study.

Corrigendum to "Adoption of same day discharge following elective left main stem percutaneous coronary intervention" [International Journal of Cardiology. 2020; 321: 38-47]. (2025)
Journal Article
Taxiarchi, P., Kontopantelis, E., Kinnaird, T., Curzen, N., Banning, A., Ludman, P., Shoaib, A., Rashid, M., Martin, G. P., & Mamas, M. A. (in press). Corrigendum to "Adoption of same day discharge following elective left main stem percutaneous coronary intervention" [International Journal of Cardiology. 2020; 321: 38-47]. International Journal of Cardiology, 423, 1. https://doi.org/10.1016/j.ijcard.2025.133010

The impact of specialist cardiology inpatient care on the long-term outcomes of non-ST-segment elevation myocardial infarction (NSTEMI): A nationwide cohort study. (2025)
Journal Article
Moledina, S. M., Weight, N., Cole, A., Rashid, M., Kontopantelis, E., & Mamas, M. A. (in press). The impact of specialist cardiology inpatient care on the long-term outcomes of non-ST-segment elevation myocardial infarction (NSTEMI): A nationwide cohort study. International Journal of Cardiology, 423, 1-10. https://doi.org/10.1016/j.ijcard.2025.132990

Specialist cardiac care has been shown to reduce inpatient mortality following non-ST segment myocardial infarction (NSTEMI), but whether this benefit extends beyond index admission is unclear. Using the linked Myocardial Ischaemia National Audit Pro... Read More about The impact of specialist cardiology inpatient care on the long-term outcomes of non-ST-segment elevation myocardial infarction (NSTEMI): A nationwide cohort study..

Nationwide Cross-Sectional Analysis of Mortality Trends in Patients with Sarcoidosis and Non-Ischemic Cardiovascular Disease—The Impact of Gender, Ethnicity, Geographical Location, and COVID-19 Pandemic (2024)
Journal Article
Ahmed, R., Ahmed, M., Khlidj, Y., Rehman, O. U., Al-Mukhtar, L., Abou Khater, N., Khurram Mustaq Gardezi, S., Rashid, M., Collins, P., Jain, H., Ramphul, K., Baig, M., Chahal, A., Kouranos, V., Behary Paray, N., & Sharma, R. (2024). Nationwide Cross-Sectional Analysis of Mortality Trends in Patients with Sarcoidosis and Non-Ischemic Cardiovascular Disease—The Impact of Gender, Ethnicity, Geographical Location, and COVID-19 Pandemic. Journal of Clinical Medicine, 13(23), 7463. https://doi.org/10.3390/jcm13237463

Background and Objectives: The epidemiological data regarding mortality rates of adults with sarcoidosis and non-ischemic cardiovascular disease (CVD) are limited. A retrospective observational analysis was conducted to identify trends and disparitie... Read More about Nationwide Cross-Sectional Analysis of Mortality Trends in Patients with Sarcoidosis and Non-Ischemic Cardiovascular Disease—The Impact of Gender, Ethnicity, Geographical Location, and COVID-19 Pandemic.

The Intersection of Socioeconomic Differences and Sex in the Management and Outcomes of Acute Myocardial Infarction: A Nationwide Cohort Study (2024)
Journal Article
Weight, N., Moledina, S., Lawson, C. A., Van Spall, H. G. C., Wijeysundera, H. C., Rashid, M., Kontopantelis, E., & Mamas, M. A. (in press). The Intersection of Socioeconomic Differences and Sex in the Management and Outcomes of Acute Myocardial Infarction: A Nationwide Cohort Study. Angiology, https://doi.org/10.1177/00033197241273433

Patients with lower socioeconomic status (SES) have poorer outcomes following acute myocardial infarction (AMI) than patients with higher SES; however, how sex modifies socioeconomic differences is unclear. Using the United Kingdom (UK) Myocardial Is... Read More about The Intersection of Socioeconomic Differences and Sex in the Management and Outcomes of Acute Myocardial Infarction: A Nationwide Cohort Study.

Impact of Chronic Kidney Disease on the Processes of Care and Long-Term Mortality of Non-ST-Segment-Elevation Myocardial Infarction: A Nationwide Cohort Study and Long-Term Follow-Up. (2024)
Journal Article
Weight, N., Moledina, S., Ullah, M., Wijeysundera, H. C., Davies, S., Chew, N. W. S., Lawson, C., Khan, S. U., Gale, C. P., Rashid, M., & Mamas, M. A. (in press). Impact of Chronic Kidney Disease on the Processes of Care and Long-Term Mortality of Non-ST-Segment-Elevation Myocardial Infarction: A Nationwide Cohort Study and Long-Term Follow-Up. Journal of the American Heart Association, 13(16), Article e032671. https://doi.org/10.1161/JAHA.123.032671

A growing population of patients with chronic kidney disease (CKD) presents with non-ST-segment-elevation myocardial infarction, although little is known about their longer-term mortality. Using the MINAP (Myocardial Ischaemia National Audit Project)... Read More about Impact of Chronic Kidney Disease on the Processes of Care and Long-Term Mortality of Non-ST-Segment-Elevation Myocardial Infarction: A Nationwide Cohort Study and Long-Term Follow-Up..

No-Reflow Prediction in Acute Coronary Syndrome During Percutaneous Coronary Intervention: The NORPACS Risk Score (2024)
Journal Article
Dawson, L. P., Rashid, M., Dinh, D. T., Brennan, A., Bloom, J. E., Biswas, S., Lefkovits, J., Shaw, J. A., Chan, W., Clark, D. J., Oqueli, E., Hiew, C., Freeman, M., Taylor, A. J., Reid, C. M., Ajani, A. E., Kaye, D. M., Mamas, M. A., Stub, D., & and BCIS Investigators, O. B. O. T. M. (2024). No-Reflow Prediction in Acute Coronary Syndrome During Percutaneous Coronary Intervention: The NORPACS Risk Score. Circulation: Cardiovascular Interventions, 17(4), https://doi.org/10.1161/circinterventions.123.013738

BACKGROUND:
Suboptimal coronary reperfusion (no reflow) is common in acute coronary syndrome percutaneous coronary intervention (PCI) and is associated with poor outcomes. We aimed to develop and externally validate a clinical risk score for angiogr... Read More about No-Reflow Prediction in Acute Coronary Syndrome During Percutaneous Coronary Intervention: The NORPACS Risk Score.

The quality of care and long-term mortality of out of hospital cardiac arrest survivors after acute myocardial infarction: a nationwide cohort study. (2024)
Journal Article
Weight, N., Moledina, S., Hennessy, T., Jia, H., Banach, M., Rashid, M., Siller-Matula, J. M., Thiele, H., & Mamas, M. A. (in press). The quality of care and long-term mortality of out of hospital cardiac arrest survivors after acute myocardial infarction: a nationwide cohort study. European Heart Journal - Quality of Care and Clinical Outcomes, Article qcae015. https://doi.org/10.1093/ehjqcco/qcae015

The long-terms outcomes of out of hospital cardiac arrest (OHCA) survivors are not well known. Using the Myocardial Ischaemia National Audit Project (MINAP) registry, linked to Office for National Statistics (ONS) mortality data, we analysed 661 326... Read More about The quality of care and long-term mortality of out of hospital cardiac arrest survivors after acute myocardial infarction: a nationwide cohort study..

Chronic total occlusion in non-ST elevation myocardial infarction - A multi-centre observational study. (2024)
Journal Article
Sharma, V., Choudhury, A., Basavarajaiah, S., Rashid, M., Yuan, M., Jefferey, D., Vanezis, A. P., Sall, H., Smith, W. H. T., Parasa, R., Kelly, P., Kinnaird, T., & Mamas, M. A. (in press). Chronic total occlusion in non-ST elevation myocardial infarction - A multi-centre observational study. Cardiovascular Revascularization Medicine, 64, 62-67. https://doi.org/10.1016/j.carrev.2024.02.008

Objectives
To evaluate the characteristics and outcomes of patients with a chronic total occlusion (CTO) in a Non-ST Elevation Myocardial Infarction (NSTEMI) cohort.

Background
There is limited data on the clinical characteristics, revascularisa... Read More about Chronic total occlusion in non-ST elevation myocardial infarction - A multi-centre observational study..

Sex-based analysis of NSTEMI processes of care and outcomes by hospital: a nationwide cohort study (2024)
Journal Article
Weight, N., Moledina, S., Kontopantelis, E., Van Spall, H., Dafaalla, M., Chieffo, A., Iannaccone, M., Chen, D., Rashid, M., Mauri-Ferre, J., Tamis-Holland, J. E., & Mamas, M. A. (in press). Sex-based analysis of NSTEMI processes of care and outcomes by hospital: a nationwide cohort study. European Heart Journal - Quality of Care and Clinical Outcomes, Article qcae011. https://doi.org/10.1093/ehjqcco/qcae011

Background
Contemporary studies demonstrate that non-ST-segment elevation myocardial infarction (NSTEMI) processes of care vary according to sex. Little is known regarding variation in practice between geographical areas and centres.

Methods
We... Read More about Sex-based analysis of NSTEMI processes of care and outcomes by hospital: a nationwide cohort study.

Complex High-risk Percutaneous Coronary Intervention Types, Trends, and Outcomes in Non-surgical Centres (2024)
Journal Article
Shamkhani, W., Rashid, M., Moledina, S., Ludman, P., Curzen, N., Wijeysundera, H. C., Grines, C. L., & Mamas, M. A. (2024). Complex High-risk Percutaneous Coronary Intervention Types, Trends, and Outcomes in Non-surgical Centres. Canadian Journal of Cardiology, https://doi.org/10.1016/j.cjca.2024.01.003

Background
Limited data are available on complex, high-risk percutaneous coronary intervention (CHiP) trends and outcomes in non-surgical centres (NSC), particularly in healthcare systems where most centers are NSCs.

Methods
Using data from a na... Read More about Complex High-risk Percutaneous Coronary Intervention Types, Trends, and Outcomes in Non-surgical Centres.

Heart Failure Readmission in Patients With ST-Segment Elevation Myocardial Infarction and Active Cancer (2024)
Journal Article
Dafaalla, M., Abramov, D., Van Spall, H. G., Ghosh, A. K., Gale, C. P., Zaman, S., Rashid, M., & Mamas, M. A. (online). Heart Failure Readmission in Patients With ST-Segment Elevation Myocardial Infarction and Active Cancer. JACC: CardioOncology, 6(1), 117-129. https://doi.org/10.1016/j.jaccao.2023.10.011

Background
Although numerous studies have examined readmission with heart failure (HF) after acute myocardial infarction (AMI), limited data are available on HF readmission in cancer patients post-AMI.

Objectives
This study aimed... Read More about Heart Failure Readmission in Patients With ST-Segment Elevation Myocardial Infarction and Active Cancer.

Sex-based analysis of NSTEMI processes of care and outcomes by hospital: a nationwide cohort study (2023)
Presentation / Conference Contribution
Moledina, S., Weight, N., Dafaalla, M., Chen, D., Rashid, M., Mohamed, M., Vanspall, H., Iannaccone, M., Chieffo, A., & Mamas, M. Sex-based analysis of NSTEMI processes of care and outcomes by hospital: a nationwide cohort study

Background Contemporary studies have demonstrated that in non-ST-segment elevation myocardial infarction (NSTEMI), processes of care vary significantly according to biological sex. Little is known regarding variation in practice between geographical... Read More about Sex-based analysis of NSTEMI processes of care and outcomes by hospital: a nationwide cohort study.

Comorbidity clusters and in-hospital outcomes in patients admitted with acute myocardial infarction in the USA: A national population-based study (2023)
Journal Article
Zghebi, S. S., Rutter, M. K., Sun, L. Y., Ullah, W., Rashid, M., Ashcroft, D. M., Steinke, D. T., Weng, S., Kontopantelis, E., & Mamas, M. A. (in press). Comorbidity clusters and in-hospital outcomes in patients admitted with acute myocardial infarction in the USA: A national population-based study. PloS one, 18(10), e0293314. https://doi.org/10.1371/journal.pone.0293314

Background: The prevalence of multimorbidity in patients with acute myocardial infarction (AMI) is increasing. It is unclear whether comorbidities cluster into distinct phenogroups and whether are associated with clinical trajectories. Methods: Surve... Read More about Comorbidity clusters and in-hospital outcomes in patients admitted with acute myocardial infarction in the USA: A national population-based study.

Impact of Body Mass Index on outcomes in hospitalized heart failure patients with reduced versus preserved ejection fraction: a 1,699,494-individual analysis from the United States National Inpatient Sample. (2023)
Journal Article
Ansari, S. A., Suheb, M. Z., Rashid, M., Maqsood, M. H., Rashid, A. M., Javaid, S. S., & Siddiqi, A. K. (in press). Impact of Body Mass Index on outcomes in hospitalized heart failure patients with reduced versus preserved ejection fraction: a 1,699,494-individual analysis from the United States National Inpatient Sample. Minerva Cardiology and Angiology, https://doi.org/10.23736/S2724-5683.23.06367-6

Obesity's effect on outcomes in heart failure (HF) patients with reduced versus maintained ejection fraction (HFrEF and HFpEF) remains debatable. We evaluated hospital outcomes and healthcare expenditures in these patients based on their Body Mass In... Read More about Impact of Body Mass Index on outcomes in hospitalized heart failure patients with reduced versus preserved ejection fraction: a 1,699,494-individual analysis from the United States National Inpatient Sample..