Single-centre experience of mitral valve surgery via right lateral mini-thoracotomy in octogenarians

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Abstract

OBJECTIVES According to demographic changes in the industrialized world, the average age of patients referred to cardiac surgery is increasing. These patients typically display numerous comorbidities, associated with increased perioperative risk. Therefore, the indication for a catheter-based therapy is progressively extended, including interventions on the mitral valve (MV). In this context, we evaluated a contemporary series of octogenarians undergoing minimally invasive MV surgery at our institution using right lateral minithoracotomy to elucidate the preoperative risk profile and the postoperative course in this particular cohort. METHODS Between October 2009 and October 2014, 34 patients aged 80 years and older (82.5 ± 2.0) undergoing minimally invasive MV surgery were identified with a subgroup of 15 patients (44.1%) receiving concomitant surgery on the tricuspid valve (TV). We analysed the preoperative profile, perioperative course and functional outcome. RESULTS Preoperative comorbidities included insulin-dependent diabetes mellitus (17.6%), COPD (17.6%), active endocarditis (2.9%) and previous neurological events (2.9%). The mean left ventricular ejection fraction was 59.7 ± 6.9%. Mean European System for Cardiac Outcome Risk Evaluation II was 5.2 ± 5.3%. The repair rate of all treated MVs and TVs in isolated and combined procedures was 81.6% (73.5% for MV and 100.0% for TV surgery). Postoperatively, 4 patients (11.8%) required new-onset intermittent haemodialysis. Prolonged ventilation (>12 h) was necessary in 9 patients (26.5%). The 30-day mortality rate was 5.9%. CONCLUSIONS Minimally invasive right lateral MV surgery in octogenarians results in favourable outcomes. Therefore, MV surgery represents a valid option in this cohort, providing established and durable concepts of valve reconstruction.

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Minol, J. P., Akhyari, P., Boeken, U., Kamiya, H., Weinreich, T., Sixt, S., … Lichtenberg, A. (2016). Single-centre experience of mitral valve surgery via right lateral mini-thoracotomy in octogenarians. Interactive Cardiovascular and Thoracic Surgery, 22(3), 287–290. https://doi.org/10.1093/icvts/ivv323

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