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Updated: Aug 5, 2025

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
Published on: February 11, 2022
Diffuse Coronary Vasospasm After Mitral Valve Replacement, Maze Procedure, and Tricuspid Valve Repair
Andrew J Gorton1, Peter Rodgers-Fischl1, John Gurley2
1Department of Surgery, Division of Cardiothoracic Surgery, University of Kentucky, Lexington, USA.
Abstract:
Coronary vasospasm is a known complication after coronary artery bypass grafting surgery but has rarely been described in non-coronary cardiac operations. We report the case of a 51-year-old male with nonischemic cardiomyopathy and paroxysmal atrial fibrillation. He presented with severe mitral and tricuspid regurgitation and was taken for mitral valve replacement, tricuspid valve repair, and Maze procedure. Postoperative emergent coronary angiography demonstrated diffuse coronary vasospasm. Injection of intracoronary nitroglycerin led to clinical and angiographic improvement. This demonstrates the possibility of coronary vasospasm following mitral valve replacement and effective treatment with intracoronary administration of vasodilating agents.
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