ADULT – Original Submission| Volume 35, ISSUE 1, P44-52, March 2023

Mitral Valve Repair Versus Replacement in The Elderly

      The disadvantages of mitral valve replacement with a bioprosthesis in the long-term may not play an important role if the shorter life expectancy of older patients is taken into account. This study aims to evaluate whether mitral valve replacement in the elderly is associated with similar outcome compared to repair in the short- and long-term. All patients aged 70 years and older undergoing minimally invasive mitral valve surgery were studied retrospectively. Primary outcome was 30-day complication rate, secondary outcome was long-term survival and freedom from re-operation. 223 Patients underwent surgery (124 replacement and 99 repair) with a mean age of 76.4 ± 4.2 years. 30-Day complication rate (replacement 73.4% versus repair 67.7%; p=.433), 30-day mortality (replacement 4.0% versus repair 1.0%; p=.332) and 30-day stroke rate (replacement 0.0% versus repair 1.0%; p=.910) were similar in both groups. Multivariable cox regression revealed higher age, diabetes and left ventricular dysfunction as predictors for reduced long-term survival, while a valve replacement was no predictor for reduced survival. Sub analysis of patients with degenerative disease showed no difference in long-term survival after propensity weighting (HR 1.4; 95%CI 0.84 – 2.50; p=.282). The current study reveals that mitral valve repair and replacement in the elderly can be achieved with good short- and long-term results. Long-term survival was dependent on patient related risk factors and not on the type of operation (replacement versus repair).

      Graphical abstract



      MVARC (Mitral Valve Academic Research Consortium)
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