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Minimally invasive mitral valve surgery: a systematic safety analysis

Kinsing Ko1, Thom L de Kroon2, Marco C Post3,4

  • 1Cardiothoracic Surgery, St. Antonius Hospital, Nieuwegein, The Netherlands kinsingko@gmail.com.

Open Heart
|October 13, 2020
PubMed
Abstract

Insights

Minimally invasive mitral valve surgery demonstrates a safe profile with low 30-day mortality and stroke rates. This approach offers a viable alternative to conventional sternotomy for mitral valve repair and replacement.

Area of Science:

  • Cardiovascular Surgery
  • Minimally Invasive Techniques
  • Patient Safety

Background:

  • Minimally invasive mitral valve surgery is gaining traction globally as an alternative to traditional sternotomy.
  • A comprehensive safety analysis using standardized criteria for 30-day complications is needed.

Purpose of the Study:

  • To systematically evaluate the safety of minimally invasive mitral valve surgery.
  • To analyze 30-day complications based on Mitral Valve Academic Consortium (MVARC) criteria.

Main Methods:

  • Retrospective analysis of consecutive patients undergoing minimally invasive mitral valve surgery via right mini-thoracotomy over 10 years.
  • Primary outcome: composite of 30-day major complications defined by MVARC criteria.

Main Results:

  • 745 patients (507 repair, 238 replacement) with a mean age of 62.9 years.
  • Successful repair rate: 95.8%.
  • 30-day mortality: 1.2%; stroke rate: 0.3%; freedom from major complications: 87.2%.

Conclusions:

  • Minimally invasive mitral valve surgery is a safe and effective procedure.
  • Low rates of 30-day mortality and stroke support its adoption.
  • Predictors of complications include reduced left ventricular ejection fraction and impaired kidney function.
Keywords:
MVARCminimally invasive mitral valve surgerypredictors for complicationssafety analysis

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