Mamas A. Mamas, DPhil, BMBCh, MRCP, MD

Original Contribution

Frailty Among Patients With Acute ST-Elevation Myocardial Infarction in the United States: The Impact of the Primary Percutaneous Coronary Intervention on In-Hospital Outcomes

01/03/2022

Richard K. Cheng , MD, MS;

Timir K. Paul , MD, PhD, MPH, FACC, FSCAI, FAHA;

Poonam Velagapudi , MD, MS;

Chadi Alraies , MD;

Evangelos Kontopantelis , PhD;

Josip A. Borovac , MD, PhD;

Islam Y. Elgendy , MD;

Mamas A. Mamas , DPhil, BMBCh, MRCP, MD;

Mohamed O. Mohamed , MBChB, MRCP, MBBCh;

Mohammed Al-Khouli , MD;

Harriette G.C. Van Spall , MD, MPH;

The objective was to determine the average treatment effect of primary PCI versus medical treatment on in-hospital outcomes across the spectrum of frailty in patients with STEMI.

The objective was to determine...

01/03/2022

Journal of Invasive Cardiology

Original Contribution

Same-Day Discharge After Elective Percutaneous Coronary Intervention for Chronic Total Occlusion in the UK

03/01/2022

Ahmad Shoaib , MD;

Peter Ludman , MD;

Evangelos Kontopantelis , PhD;

Paraskevi Taxiarchi , PhD;

Tim D. Kinnaird , MD;

Glen P. Martin , PhD;

Mamas A. Mamas , DPhil, BMBCh, MRCP, MD;

Azfar G. Zaman , BSc, MD, FRCP, MBChB;

Nick Curzen , PhD, FRCP, FESC;

Javed M. Ahmed , MBBS, FRCP, MD;

This study examines the safety and feasibility of same-day discharge (SDD) in patients undergoing percutaneous coronary intervention (PCI) to coronary chronic total occlusions (CTOs) and explores independent associations of clinical and...

This study examines the safety...

03/01/2022

Journal of Invasive Cardiology

In-Hospital and 30-Day Mortality After Percutaneous Coronary Intervention in England in the Pre-COVID and COVID Eras

03/01/2021

John Deanfield , FRCP;

Peter Ludman , MD;

Mohamed O. Mohamed , MBChB, MRCP, MBBCh;

Chris P. Gale , PhD, FRCP;

Muhammad Rashid , PhD;

Tim D. Kinnaird , MD;

Mamas A. Mamas , DPhil, BMBCh, MRCP, MD;

Mark A. de Belder , MA, MD, FRCP;

Nick Curzen , PhD, FRCP, FESC;

Jianhua Wu , PhD;

Ahmad Shoaib , MD;

Abstract

03/01/2021

Journal of Invasive Cardiology

Original Contribution

Resting Pd/Pa Measured with Intracoronary Pressure Wire Strongly Predicts Fractional Flow Reserve

06/02/2010

Ludwig Neyses , MD;

Farzin Fath-Ordoubadi , MBBCh, MD;

Mamas A. Mamas , DPhil, BMBCh, MRCP, MD;

Douglas Fraser , MD;

Magdi El-Omar , BSc, MBBS, MRCP, MD;

Simon Horner , MBBS;

Elise Welch , BSc;

Anthony Ashworth , MBBS;

Simon Millington , BSc;

ABSTRACT: Objective. To investigate the relationship between resting distal coronary pressure to aortic pressure ratio (Pd/Pa) and fractional flow reserve (FFR) obtained during maximal hyperemia. Background. FFR is an invasive index of the...

ABSTRACT: Objective. To...

06/02/2010

Journal of Invasive Cardiology

Radial Access Technique

Transradial Intervention via Large-Bore Guide Catheters: A Study of Coronary Bifurcation Disease Treatment Using the Crush Technique

08/29/2013

Farzin Fath-Ordoubadi , MBBCh, MD;

Paul D. Williams , BM, BCh, MD, FRCP, MA;

Jonas Eichhofer , PhD, MD;

Douglas Fraser , MD;

Samer Arnous , MD;

Mamas A. Mamas , DPhil, BMBCh, MRCP, MD;

The small caliber of the radial artery has been considered a limitation to performing complex coronary intervention requiring large-bore catheters. This study investigates the feasibility of performing a complex technique with the use of...

The small caliber of the radial...

08/29/2013

Journal of Invasive Cardiology

Original Contribution

Outcomes of Percutaneous Coronary Intervention in Cardiac Transplant Patients: A Binational Analysis Derived From the United Kingdom and United States

09/01/2020

Mamas A. Mamas , DPhil, BMBCh, MRCP, MD;

H. Vernon Anderson , MD;

Vinayak Nagaraja , MD, MBBS, MS, FRACP, MMed;

David L. Fischman , MD;

Chadi Alraies , MD;

Randall C. Starling , MD;

Samir R. Kapadia , MD;

Mohamed O. Mohamed , MBChB, MRCP, MBBCh;

Nick Curzen , PhD, FRCP, FESC;

Peter Ludman , MD;

Chun Shing Kwok , MBBS, PhD, MSc, BSc, MRCP;

Tim D. Kinnaird , MD;

This study aims to compare and contrast the indications, clinical and procedural characteristics, and periprocedural outcomes of patients with cardiac transplant undergoing percutaneous coronary intervention in the United States and United...

This study aims to compare and...

09/01/2020

Journal of Invasive Cardiology

Original Contribution

Clinical Outcomes of Percutaneous Coronary Intervention for Chronic Total Occlusion in Native Coronary Arteries vs Saphenous Vein Grafts

09/01/2020

Thomas W. Johnson , MD;

Adrian P. Banning , MD, PhD, MBBS;

Peter Ludman , MD;

Muhammad Rashid , PhD;

Jessica Potts , PhD;

Chun Shing Kwok , MBBS, PhD, MSc, BSc, MRCP;

Evangelos Kontopantelis , PhD;

Ziyad A. Azam , MBChB;

Tim D. Kinnaird , MD;

Mamas A. Mamas , DPhil, BMBCh, MRCP, MD;

Ahmad Shoaib , MD;

There are limited data comparing outcomes of patients with previous coronary artery bypass grafting presenting with stable angina who undergo percutaneous coronary intervention to either a saphenous vein graft or a chronic total occlusion in...

There are limited data comparing...

09/01/2020

Journal of Invasive Cardiology

Dedicated Bifurcation Stents for Coronary Bifurcation Lesions: A Systematic Review and Meta-Analysis of Randomized-Controlled Trials

11/23/2019

Vinayak Nagaraja , MD, MBBS, MS, FRACP, MMed;

Chadi Alraies , MD;

Pablo Lamelas , MD, MSc;

Rodrigo Bagur , MD, PhD;

Mohamed O. Mohamed , MBChB, MRCP, MBBCh;

Nikolaos Tzemos , MD;

Shahar Lavi , MD, PhD;

Diana Ayan , MSc;

Mamas A. Mamas , DPhil, BMBCh, MRCP, MD;

PCI of coronary bifurcation lesions (CBLs) remains a challenge in contemporary practice due to the procedural and technical difficulties involved. We review the current evidence on the safety and clinical outcomes of dedicated bifurcation...

PCI of coronary bifurcation...

11/23/2019

Journal of Invasive Cardiology

Your Path to Success: Expert Advice

Same-Day Discharge: If Not Now, When?

11/03/2020

Michael J. Martinelli , MD, FACC, FSCAI;

David H. Wohns , MD;

Mamas A. Mamas , DPhil, BMBCh, MRCP, MD;

Ronald P. Caputo , MD, FACC, FSCAI;

Mary Osborne , MBA, MSN, RN;

During last month’s virtual Transcatheter Cardiovascular Therapeutics (TCT) conference, a panel discussion of clinicians and administrators addressed the challenges and opportunities surrounding the use of same-day discharge (or lack thereof)...

During last month’s virtual...

11/03/2020

Cath Lab Digest