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  • Title: Mitral valve surgery for acute papillary muscle rupture.
    Author: Sultan I, Aranda-Michel E, Gleason TG, Navid F, Kilic A.
    Journal: J Card Surg; 2018 Sep; 33(9):484-488. PubMed ID: 30043504.
    Abstract:
    BACKGROUND: Papillary muscle rupture (PMR) is a rare complication of a myocardial infarction. The aim of this study was to review our results of mitral valve surgery for acute PMR. METHODS: Data from patients undergoing emergent mitral valve surgery for acute PMR between 2011 and 2017 at our institution were reviewed. Outcomes included operative morbidity and mortality, mitral valve reoperation, and hospital readmission. RESULTS: A total of 2479 patients underwent mitral valve surgery during the study period including 24 (1.0%) for PMR. Mean age was 62 years, and two (8.3%) patients had prior open-heart surgery. Overall Society of Thoracic Surgeons predicted risk of mortality was 17.5%. Operative mortality was 12.5% (n = 3) with an observed-to-expected mortality ratio of 0.71. There were no strokes, and new onset dialysis was required in two (8.3%) patients. Mean follow-up was 2.40 ± 1.96 years. Three-year mortality, mitral valve reoperation, and readmission rates were 21.1%, 5.0%, and 45.4%. CONCLUSIONS: Expeditious operative intervention for PMR can be associated with acceptable operative and longer-term outcomes.
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