Effect of Comorbidity On Unplanned Readmissions After Percutaneous Coronary Intervention (From The Nationwide Readmission Database). (2018)
Journal Article
Kwok, C., Mamas, M., Martinez, S., Pancholy, S., Ahmed, W., Al-Shaibi, K., …Curzen, N. (2018). Effect of Comorbidity On Unplanned Readmissions After Percutaneous Coronary Intervention (From The Nationwide Readmission Database). Scientific reports, 11156 -?. https://doi.org/10.1038/s41598-018-29303-y

It is unclear how comorbidity influences rates and causes of unplanned readmissions following percutaneous coronary intervention (PCI). We analyzed patients in the Nationwide Readmission Database who were admitted to hospital between 2010 and 2014. T... Read More about Effect of Comorbidity On Unplanned Readmissions After Percutaneous Coronary Intervention (From The Nationwide Readmission Database)..

Discharge Against Medical Advice After Percutaneous Coronary Intervention in the United States (2018)
Journal Article
Al Shaibi, K., Gulati, R., Bell, M., Anderson, V., Potts, J., Rashid, M., …Kwok, C. (2018). Discharge Against Medical Advice After Percutaneous Coronary Intervention in the United States. JACC. Cardiovascular interventions, 1354-1364. https://doi.org/10.1016/j.jcin.2018.03.049

Discharge against medical advice (DAMA) in the context of PCI has not been described in the literature. Among the 2,021,104 patients, the proportion of patients who DAMA was 0.5% (n=10,049). Important predictors of DAMA included diagnosis of acute my... Read More about Discharge Against Medical Advice After Percutaneous Coronary Intervention in the United States.

Relation Between Age and Unplanned Readmissions After Percutaneous Coronary Intervention (Findings From The Nationwide Readmission Database) (2018)
Journal Article
Martinez, S., Rao, S., Gilchrist, I., Kwok, C., Al Ayoubi, F., Myint, P., …Kontopantelis, E. (2018). Relation Between Age and Unplanned Readmissions After Percutaneous Coronary Intervention (Findings From The Nationwide Readmission Database). American Journal of Cardiology, 220-228. https://doi.org/10.1016/j.amjcard.2018.03.367

It is unclear how age affects rates and causes of unplanned early readmissions after per cutaneous coronary intervention (PCI). We analyzed patients in the Nationwide Readmission Database in the United States from 2010 to 2014 and examined the impact... Read More about Relation Between Age and Unplanned Readmissions After Percutaneous Coronary Intervention (Findings From The Nationwide Readmission Database).

Using electronic health records to quantify and stratify the severity of type 2 diabetes in primary care in England: rationale and cohort study design (2018)
Journal Article
Mamas, Chew-Graham, & Mallen. (2018). Using electronic health records to quantify and stratify the severity of type 2 diabetes in primary care in England: rationale and cohort study design. BMJ Open, https://doi.org/10.1136/bmjopen-2017-020926

Introduction: The increasing prevalence of type 2 diabetes (T2DM) presents a significant burden on affected individuals and health-care systems internationally. There is, however, no agreed validated measure to infer diabetes severity from electronic... Read More about Using electronic health records to quantify and stratify the severity of type 2 diabetes in primary care in England: rationale and cohort study design.

Do frailty measures improve prediction of mortality and morbidity following transcatheter aortic valve implantation? An analysis of the UK TAVI registry (2018)
Journal Article
Mamas. (2018). Do frailty measures improve prediction of mortality and morbidity following transcatheter aortic valve implantation? An analysis of the UK TAVI registry. Cardiovascular Medicine, https://doi.org/10.1136/bmjopen-2018-022543

Objectives
Previous studies indicate frailty to be associated with poor outcomes following transcatheter aortic valve implantation (TAVI), but there is limited evidence from multicentre registries. The aim was to investigate the independent associat... Read More about Do frailty measures improve prediction of mortality and morbidity following transcatheter aortic valve implantation? An analysis of the UK TAVI registry.

Temporal Changes in Comorbidity Burden in Patients Having Percutaneous Coronary Intervention and Impact on Prognosis (2018)
Journal Article
Potts, J., Kwok, C., Ensor, J., Rashid, M., Kadam, U., Kinnaird, T., …Mamas, M. (2018). Temporal Changes in Comorbidity Burden in Patients Having Percutaneous Coronary Intervention and Impact on Prognosis. American Journal of Cardiology, 122(5), 712-722. https://doi.org/10.1016/j.amjcard.2018.05.003

This study aims to evaluate the impact of comorbidity burden on outcomes among patients who undergo percutaneous coronary intervention (PCI). We used the Nationwide Inpatient Sample to identify all PCI procedures undertaken in the United States betwe... Read More about Temporal Changes in Comorbidity Burden in Patients Having Percutaneous Coronary Intervention and Impact on Prognosis.

Health economic analysis of access site practice in England during changes in practice: Insights from the British Cardiovascular Interventional Society (2018)
Journal Article
Mamas, M., Tosh, J., Hulme, W., Hoskins, N., Bungey, G., Ludman, P., …Kontopantelis, E. (2018). Health economic analysis of access site practice in England during changes in practice: Insights from the British Cardiovascular Interventional Society. Circulation: Cardiovascular Quality and Outcomes, 11(5), https://doi.org/10.1161/circoutcomes.117.004482

Background: Transradial access (TRA) for percutaneous coronary intervention (PCI) is associated with a reduced risk of mortality compared with transfemoral access, access site–related bleeding complications, and shorter length of stay. The budget imp... Read More about Health economic analysis of access site practice in England during changes in practice: Insights from the British Cardiovascular Interventional Society.

Type 2 diabetes mellitus and heart failure: a position statement from the Heart Failure Association of the European Society of Cardiology (2018)
Journal Article
Mamas. (2018). Type 2 diabetes mellitus and heart failure: a position statement from the Heart Failure Association of the European Society of Cardiology. European Journal of Heart Failure, 853-872. https://doi.org/10.1002/ejhf.1170

The coexistence of type 2 diabetes mellitus (T2DM) and heart failure (HF), either with reduced (HFrEF) or preserved ejection fraction (HFpEF), is frequent (30–40% of patients) and associated with a higher risk of HF hospitalization, all-cause and car... Read More about Type 2 diabetes mellitus and heart failure: a position statement from the Heart Failure Association of the European Society of Cardiology.

Same-day Inter-Facility Transfer for Percutaneous Coronary Intervention (2018)
Journal Article
Israeli, Z., Lavi, S., Bertand, O. F., & Mamas, M. (2018). Same-day Inter-Facility Transfer for Percutaneous Coronary Intervention. Journal of Interventional Cardiology, 230-235. https://doi.org/10.1111/joic.12486

Background: The use of radial approach for coronary angiography, followed by same-day inter-facility transfer for percutaneous coronary intervention (PCI) has not yet been evaluated. We sought to assess the safety and feasibility of using the transra... Read More about Same-day Inter-Facility Transfer for Percutaneous Coronary Intervention.

Burden of 30-day readmissions after PCI in 824,747 patients in the USA: predictors, causes and cost. Insights from the Nationwide Readmission Database (2018)
Journal Article
Rashid, M., Curzen, N., Nolan, J., Bagur, R., Mamas, M., Potts, J., …Kwok, C. (2018). Burden of 30-day readmissions after PCI in 824,747 patients in the USA: predictors, causes and cost. Insights from the Nationwide Readmission Database. JACC. Cardiovascular interventions, 655-674. https://doi.org/10.1016/j.jcin.2018.01.248

Objectives
This study aimed to examine the 30-day unplanned readmissions rate, predictors of readmission, causes of readmissions, and clinical impact of readmissions after percutaneous coronary intervention (PCI).

Background
Unplanned rehospital... Read More about Burden of 30-day readmissions after PCI in 824,747 patients in the USA: predictors, causes and cost. Insights from the Nationwide Readmission Database.

Antithrombotic therapy in patients receiving saphenous vein coronary artery bypass grafts: a protocol for a systematic review and network meta-analysis. (2018)
Journal Article
Mamas. (2018). Antithrombotic therapy in patients receiving saphenous vein coronary artery bypass grafts: a protocol for a systematic review and network meta-analysis. BMJ Open, e019555 - ?. https://doi.org/10.1136/bmjopen-2017-019555

INTRODUCTION: The current evidence for the prevention of saphenous vein graft failure (SVGF) after coronary artery bypass graft (CABG) surgery consists of direct head-to-head comparison of treatments (including placebo) in randomised-controlled trial... Read More about Antithrombotic therapy in patients receiving saphenous vein coronary artery bypass grafts: a protocol for a systematic review and network meta-analysis..

Effect of Gender On Unplanned Readmissions After Percutaneous Coronary Intervention (From The Nationwide Readmissions Database) (2018)
Journal Article
Kwok, C., Potts, J., Gulati, M., Alasnag, M., Rashid, M., Shoaib, A., …Mamas, M. (2018). Effect of Gender On Unplanned Readmissions After Percutaneous Coronary Intervention (From The Nationwide Readmissions Database). American Journal of Cardiology, 810-817. https://doi.org/10.1016/j.amjcard.2017.12.032

Women who undergo percutaneous coronary intervention (PCI) are at higher risk of adverse outcomes compared with men, but it is unknown whether gender affects early unplanned rehospitalization. We analyzed 832,753 patients who underwent PCI from 2013... Read More about Effect of Gender On Unplanned Readmissions After Percutaneous Coronary Intervention (From The Nationwide Readmissions Database).

Comorbidity health pathways in heart failure patients: A sequences-of-regressions analysis using cross-sectional data from 10,575 patients in the Swedish Heart Failure Registry (2018)
Journal Article
Mamas, & Solis-Trapala. (2018). Comorbidity health pathways in heart failure patients: A sequences-of-regressions analysis using cross-sectional data from 10,575 patients in the Swedish Heart Failure Registry. PLoS Medicine, https://doi.org/10.1371/journal.pmed.1002540

Background
Optimally treated heart failure (HF) patients often have persisting symptoms and poor health-related quality of life. Comorbidities are common, but little is known about their impact on these factors, and guideline-driven HF care remains... Read More about Comorbidity health pathways in heart failure patients: A sequences-of-regressions analysis using cross-sectional data from 10,575 patients in the Swedish Heart Failure Registry.

Vascular access site and outcomes in 58,870 patients undergoing PCI with a previous history of coronary bypass surgery: results from the British Cardiovascular Interventions Society National database (2018)
Journal Article
Mamas, M., & Nolan, J. (2018). Vascular access site and outcomes in 58,870 patients undergoing PCI with a previous history of coronary bypass surgery: results from the British Cardiovascular Interventions Society National database. JACC. Cardiovascular interventions, 482-492. https://doi.org/10.1016/j.jcin.2017.12.020

Objectives
Using the British Cardiovascular Intervention Society percutaneous coronary intervention (PCI) database, access site choice and outcomes of patients undergoing PCI with previous coronary artery bypass grafting (CABG) were studied.

Back... Read More about Vascular access site and outcomes in 58,870 patients undergoing PCI with a previous history of coronary bypass surgery: results from the British Cardiovascular Interventions Society National database.

The effect of pre-procedure sublingual nitroglycerin on radial artery diameter and Allen’s test outcome - relevance to transradial catheterization (2018)
Journal Article
Chong, A., Lo, T., George, S., Ratib, K., Mamas, M., & Nolan, J. (2018). The effect of pre-procedure sublingual nitroglycerin on radial artery diameter and Allen’s test outcome - relevance to transradial catheterization. Cardiovascular Revascularization Medicine, 19(2), 163-167. https://doi.org/10.1016/j.carrev.2017.07.016

Background
The radial artery is increasingly used for cardiac procedures, but is a relatively small vessel that is prone to spasm when instrumented. Intra-arterial nitroglycerine has been shown to reduce radial spasm but first requires arterial acce... Read More about The effect of pre-procedure sublingual nitroglycerin on radial artery diameter and Allen’s test outcome - relevance to transradial catheterization.

Atrial Fibrillation: A Riddle Wrapped in a Mystery Inside an Enigma. (2018)
Journal Article
Lawson, C. A., & Mamas, M. (2018). Atrial Fibrillation: A Riddle Wrapped in a Mystery Inside an Enigma. Revista Española de Cardiología, 139-140. https://doi.org/10.1016/j.rec.2017.06.009

No abstract

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..

Chronic morbidity, deprivation and primary medical care spending in England in 2015-16: a cross-sectional spatial analysis (2018)
Journal Article
Mamas. (2018). Chronic morbidity, deprivation and primary medical care spending in England in 2015-16: a cross-sectional spatial analysis. BMC Medicine, https://doi.org/10.1186/s12916-017-0996-0

Background
Primary care provides the foundation for most modern health-care systems, and in the interests of equity, it should be resourced according to local need. We aimed to describe spatially the burden of chronic conditions and primary medical... Read More about Chronic morbidity, deprivation and primary medical care spending in England in 2015-16: a cross-sectional spatial analysis.

Preterm birth and maternal cardiovascular outcomes: a systematic review and meta-analysis (2018)
Journal Article
Mamas. (2018). Preterm birth and maternal cardiovascular outcomes: a systematic review and meta-analysis. Journal of the American Heart Association Cardiovascular and Cerebrovascular Disease, https://doi.org/10.1161/JAHA.117.007809

Background
Preterm delivery (<37 weeks gestational age) affects 11% of all pregnancies, but data are conflicting whether preterm birth is associated with long-term adverse maternal cardiovascular outcomes. We aimed to systematically evaluate and sum...

Preterm Delivery and Future Risk of Maternal Cardiovascular Disease: A Systematic Review and Meta-Analysis (2018)
Journal Article
Chew-Graham, & Mamas. (2018). Preterm Delivery and Future Risk of Maternal Cardiovascular Disease: A Systematic Review and Meta-Analysis. Journal of the American Heart Association Cardiovascular and Cerebrovascular Disease, https://doi.org/10.1161/JAHA.117.007809

Abstract Background - Preterm delivery (<37 weeks gestational age) affects 11% of all pregnancies, but data are conflicting whether preterm birth is associated with long-term adverse maternal cardiovascular outcomes. We aimed to systematically evalua...