Key result
Emergent mitral valve replacement enables survival in rare NSTEMI-related anterior papillary muscle rupture.
Case Report (n=1)
No
Early transesophageal echocardiography and emergent surgical intervention can be life-saving for acute severe mitral regurgitation stemming from anterior papillary muscle rupture after NSTEMI.
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Alerts clinicians to papillary muscle rupture in unexplained post-NSTEMI shock; single case leaves open need for prospective diagnostic protocols.
Sudden hemodynamic deterioration after myocardial infarction should prompt immediate evaluation for papillary muscle rupture, even in the absence of a murmur or large-vessel occlusion. Acute severe mitral regurgitation from papillary muscle rupture may mimic recurrent ischemia, and early echocardiography with prompt surgical intervention can be lifesaving.
Thapa et al. (2026) conducted a case report in NSTEMI complicated by anterior papillary muscle rupture (n=1). Mitral valve replacement and Impella support was evaluated on Patient survival and clinical outcome. Emergent mitral valve replacement following early recognition via transesophageal echocardiography was life-saving for a rare anterior papillary muscle rupture complicating an NSTEMI.
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