Key result
Emergency mitral valve replacement following PCI and IABP successfully treated a 78-year-old woman with cardiogenic shock due to a rare anterolateral papillary muscle rupture.
Case Report (n=1)
This case highlights that the anterolateral papillary muscle can rupture due to a single high lateral branch occlusion, necessitating prompt mechanical stabilization and surgical intervention.
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Supports awareness of rare anterolateral rupture in shock; leaves open prospective data on PCI-IABP-MVR sequencing.
Although necrosis of the left ventricular papillary muscles during acute myocardial infarction is common, rupture of the anterolateral papillary muscle due to occlusion of high lateral branch is rare. We present a rare case of anterolateral papillary muscle rupture caused by occlusion of a high lateral branch of the left coronary artery. Although the patient was in cardiogenic shock on admission, she was successfully treated by emergency mitral valve replacement after percutaneous catheter intervention and intra-aortic balloon pumping support. This case implies that the anterolateral papillary muscle can have a single blood supply and that it can be ruptured by an occlusion of a high lateral branch. Prompt diagnosis, immediate mechanical stabilization and aggressive surgical treatment are essential to save this group of patients.
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Sugiyama et al. (2018) conducted a case report in Acute Myocardial Infarction with Anterolateral Papillary Muscle Rupture (n=1). Emergency mitral valve replacement, PCI, and IABP was evaluated on Clinical recovery and survival. Emergency mitral valve replacement following PCI and IABP successfully treated a 78-year-old woman with cardiogenic shock due to a rare anterolateral papillary muscle rupture.
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