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Coronary Artery Microfistulas: Historical Description and Contemporary Clinical Relevance

Stans Murad Netto et al. Rachel Vianna O'Neill de Souza Victor Murad Evandro Tinoco Mesquita

Introduction

Coronary microfistula was initially described as an anatomical finding in the late 1960s by Murad and colleagues, and it was later recognized as a morphofunctional abnormality of the coronary arteries capable of causing clinical findings (). This often asymptomatic entity is still poorly recognized in clinical practice, although it can be readily identified in the catheterization laboratory, cineangiography studies, and more recently by coronary CT angiography.

Initially, this condition was not taken into consideration, and it was justified as a possible “error” in cineangiography technique. Different studies have demonstrated its existence and its potential as a nosological entity responsible for myocardial ischemia, cardiac chamber overload, arrhythmias, and even heart failure.^,

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Coronary Artery Microfistulas: Historical Description and Contemporary Clinical Relevance

Introduction

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