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Percutaneous mitral valve repair with MitraClip XTR for acute mitral regurgitation due to papillary muscle rupture
Journal article   Open access   Peer reviewed

Percutaneous mitral valve repair with MitraClip XTR for acute mitral regurgitation due to papillary muscle rupture

Jeffrey Tyler, Ryan Narbutas, Luke Oakley, Joseph Ebinger, Mamoo Nakamura and Jeremy Michael Tyler
Journal of cardiology cases, v 22(5), pp 246-248
Nov 2020
DOI: https://doi.org/10.1016/j.jccase.2020.07.001
url
https://doi.org/10.1016/j.jccase.2020.07.001View
Published, Version of Record (VoR)Open Access (Publisher-Specific),  Open

Abstract

Cardiogenic shock Intervention Mitral valve disease Myocardial infarction Percutaneous Structural heart disease
Papillary muscle rupture is an infrequent and highly morbid mechanical complication of acute myocardial infarction. Surgical repair or replacement is traditionally considered first-line therapy. However, many of these patients present in extremis with prohibitively high surgical risk. Repair of mitral regurgitation with the MitraClip device (Abbot Vascular, Menlo Park, CA, USA) is an established therapy to treat degenerative and functional mitral regurgitation. We present a case of successful repair of severe mitral regurgitation due to papillary muscle rupture in the setting of acute myocardial infarction. A two-clip strategy resulted in mild residual mitral regurgitation with resolution of cardiogenic shock and refractory hypoxemia requiring veno-venous extracorporeal membrane oxygenation. Six-month follow-up echocardiogram identified durable results with mild mitral regurgitation and left ventricular ejection fraction of 63 %. Our case demonstrates that percutaneous mitral valve repair with MitraClip is a well-tolerated procedure that can provide acute and long-term benefit for patients with acute mitral regurgitation due to papillary muscle rupture who are at prohibitively high surgical risk. <Learning Objective: Our case illustrates the role of MitraClip in acute mitral regurgitation due to papillary muscle rupture in cardiogenic shock as an alternative to surgical intervention in extremely high-risk patients.>

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