Mechanisms of atrial fibrillation

RS Wijesurendra, B Casadei - Heart, 2019 - heart.bmj.com
Atrial fibrillation (AF) is the most common sustained arrhythmia, currently affecting over 33
million individuals worldwide, and its prevalence is expected to more than double over the …

Atrial fibrillation: effects beyond the atrium?

RS Wijesurendra, B Casadei - Cardiovascular research, 2015 - academic.oup.com
Atrial fibrillation (AF) is the most common sustained clinical arrhythmia and is associated
with significant morbidity, mostly secondary to heart failure and stroke, and an estimated two …

Lone atrial fibrillation is associated with impaired left ventricular energetics that persists despite successful catheter ablation

RS Wijesurendra, A Liu, C Eichhorn, R Ariga, E Levelt… - Circulation, 2016 - Am Heart Assoc
Background: Lone atrial fibrillation (AF) may reflect a subclinical cardiomyopathy that
persists after sinus rhythm (SR) restoration, providing a substrate for AF recurrence. To test …

Cardiac energetics, oxygenation, and perfusion during increased workload in patients with type 2 diabetes mellitus

E Levelt, CT Rodgers, WT Clarke… - European heart …, 2016 - academic.oup.com
Aims Patients with type 2 diabetes mellitus (T2DM) are known to have impaired resting
myocardial energetics and impaired myocardial perfusion reserve, even in the absence of …

Adenosine stress and rest T1 mapping can differentiate between ischemic, infarcted, remote, and normal myocardium without the need for gadolinium contrast agents

A Liu, RS Wijesurendra, JM Francis, MD Robson… - JACC: Cardiovascular …, 2016 - jacc.org
Objectives: The aim of this study was to evaluate the potential of T1 mapping at rest and
during adenosine stress as a novel method for ischemia detection without the use of …

[HTML][HTML] RETRACTED: Diagnosis of Microvascular Angina Using Cardiac Magnetic Resonance

A Liu, RS Wijesurendra, JM Liu, JC Forfar… - 2018 - Elsevier
The JACC Journals Ethics Board has voted to retract this paper, relying on the findings of
misconduct after an investigation by the University of Oxford (outlined below). The decision …

Efficacy and safety of same-day discharge after atrial fibrillation ablation compared with post-procedural overnight stay: a systematic review and meta-analysis

PT Tang, M Davies, Y Bashir, TR Betts, M Pedersen… - Europace, 2022 - academic.oup.com
Aims Catheter ablation for atrial fibrillation (AF) has historically required inpatient admission
post-procedure, but same-day discharge (SDD) has recently been reported. We aimed to …

Myocardial perfusion is impaired and relates to cardiac dysfunction in patients with atrial fibrillation both before and after successful catheter ablation

RS Wijesurendra, A Liu, F Notaristefano… - Journal of the …, 2018 - Am Heart Assoc
Background Atrial fibrillation (AF) is associated with myocardial infarction, and patients with
AF and no obstructive coronary artery disease can present with symptoms and evidence of …

[HTML][HTML] RETRACTED: gadolinium-free cardiac MR stress T1-mapping to distinguish epicardial from microvascular coronary disease

A Liu, RS Wijesurendra, JM Liu, A Greiser… - 2018 - Elsevier
From the aOxford Centre for Clinical Magnetic Resonance Research, Division of
Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford …

[HTML][HTML] Adenosine stress CMR T1-mapping detects early microvascular dysfunction in patients with type 2 diabetes mellitus without obstructive coronary artery …

E Levelt, SK Piechnik, A Liu, RS Wijesurendra… - Journal of …, 2016 - Elsevier
Background Type 2 diabetes mellitus (T2DM) is associated with coronary microvascular
dysfunction in the absence of obstructive coronary artery disease (CAD). Cardiovascular …