Highlights a rare, less acute presentation of left ventricular pseudoaneurysm following mitral valve replacement that can pose diagnostic challenges.
Warrants vigilance for atypical LV pseudoaneurysm in stable post-MVR patients; leaves optimal surveillance open.
Left ventricular (LV) pseudoaneurysm is a rare but potentially lethal complication after mitral valve (MV) repair or replacement. Typically, a perforation of the LV results in acute massive hemorrhage, pericardial effusion, and cardiac tamponade requiring emergent surgical intervention. LV pseudoaneurysms often complicate surgical intervention and result in high mortality. Alternatively, rupture may be present less acutely in the form of a well-developed pseudoaneurysm without any evidence of pericardial effusion, tamponade, or ongoing hemorrhage. This case represents a rare presentation of LV pseudoaneurysm with a challenging diagnostic course.
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Toomey et al. (2025) studied this question.
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