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- Title
Coronary artery fistula following surgical myectomy for hypertrophic obstructive cardiomyopathy: a case report.
- Authors
Bowles, James; Martin, Joshua; Russell, Penni L; Bailey, Amy; Holland, David J
- Abstract
Background Coronary artery fistula is a rare, but recognized complication of surgical myectomy. Although most communicate with the right heart, a large fistula into the left ventricular cavity may result in a shunt haemodynamically analogous to aortic regurgitation. Understanding the variable presentation of iatrogenic coronary fistulae and the optimal evaluation strategy is critical to obtaining a timely diagnosis and instituting treatment. Case summary We report the case of a 57-year-old renal transplant recipient admitted for evaluation of presyncope, one-year post-surgical myectomy for hypertrophic obstructive cardiomyopathy. An iatrogenic coronary artery fistula was suspected by transthoracic echocardiography, and later confirmed with both non-invasive and invasive coronary angiography. Discussion We highlight various cardiac imaging modalities that confirmed the diagnosis of coronary artery fistula and helped to determine the clinical significance. We report the tailored approach often required to determine the anatomic and haemodynamic characteristics of coronary fistulae and outline potential management strategies.
- Subjects
HYPERTROPHIC cardiomyopathy; CORONARY arteries; MYOMECTOMY; FISTULA; AORTIC valve insufficiency; MUCOCUTANEOUS lymph node syndrome; CORONARY angiography
- Publication
European Heart Journal Case Reports, 2024, Vol 8, Issue 6, p1
- ISSN
2514-2119
- Publication type
Article
- DOI
10.1093/ehjcr/ytae248