Off-Pump Resection of an Epicardial Cyst by Using a Minimally Invasive Approach.

Uemura, Hisashi; Yajima, Shin; Ryomoto, Masaaki; Sekiya, Naosumi; Yamashita, Keigo; Tanaka, Hiroe; Yamamura, Mitsuhiro; Satoh, Ayaka et al. · Ann Thorac Surg · 2021

case_report · Level V

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Abstract

A 25-year-old man presented with palpitations and subsequently received a diagnosis of a large epicardial cyst (6.8 × 3.8 cm) originating from the left ventricle. The cyst compressed the left atrium and ventricle and led to left ventricular diastolic dysfunction. Contrast-enhanced chest computed tomography revealed that the circumflex artery passed over or through the cyst. We successfully resected the cyst without using cardiopulmonary bypass through a left mini-thoracotomy with thoracoscopic assistance. The diastolic dysfunction improved after the procedure. Most epicardial cysts may be treated in this fashion if the cyst is located in the left side of the heart.

Medical subject headings