Off-pump total myocardial revascularization in patients with left ventricular dysfunction

Rodrigo Milani1, Brofman Paulo, José Augusto Moutinho

  • 1Serviço de Cirurgia Cardiovascular, Santa Casa de Misericórdia, PUC, Curitiba, PR, Brasil. grmilani@cardiol.br

Insights

Off-pump myocardial revascularization is a safe and effective treatment for patients with left ventricular dysfunction. This technique offers a viable alternative for high-risk individuals, demonstrating better outcomes than predicted by EuroSCORE.

Area of Science:

  • Cardiovascular Surgery
  • Cardiac Surgery
  • Minimally Invasive Cardiac Surgery

Background:

  • Significant left ventricular dysfunction poses a high risk for traditional cardiac surgery.
  • Off-pump techniques aim to reduce complications associated with cardiopulmonary bypass.
  • Assessing novel surgical approaches is crucial for improving patient outcomes.

Purpose of the Study:

  • To evaluate the safety and efficacy of off-pump myocardial revascularization.
  • To assess outcomes in patients with ejection fraction < 35%.
  • To determine the suitability of this technique for high-risk surgical candidates.

Main Methods:

  • Myocardial revascularization was performed without extracorporeal circulation in 405 patients.
  • Procedures utilized a suction stabilizer and the LIMA stitch technique.
  • Distal anastomoses were prioritized, with a mean of 3.03 anastomoses per patient.

Main Results:

  • The study included 405 patients with a mean ejection fraction of 27.2%.
  • Complication rates were low, including 0.49% renal failure and 1.2% acute myocardial infarction.
  • Mortality was 4.4%, with outcomes superior to predicted EuroSCORE values.

Conclusions:

  • Off-pump myocardial revascularization is a safe and effective option for patients with left ventricular dysfunction.
  • This technique serves as a valuable alternative for high-risk surgical candidates.
  • Observed results surpassed expectations based on pre-operative risk scores.
Abstract

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