Demonstrates the feasibility of surgically repairing a rare infero-apical left ventricular pseudoaneurysm located between papillary muscles without inducing mitral regurgitation.
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Supports feasibility of rare LV pseudoaneurysm repair without MR; leaves open generalizability and durability.
Left ventricular pseudoaneurysm is a rare lesion that occurs when a contained free-wall rupture occurs after a transmural myocardial infarction. Such a pseudoaneurysm may be lethal if subsequent rupture or progressive heart failure occurs. We describe a 67-year-old man who, one year after undergoing coronary artery bypass grafting, developed an infero-apical left ventricular pseudoaneurysm between the bases of two papillary muscles without incurring significant mitral regurgitation. This was a highly unusual presentation. We were able to repair the aneurysm and restore normal mitral geometry without causing regurgitation.
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Demirozu et al. (2010) studied this question.
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