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Effect of off-pump coronary artery bypass grafting on morbidity

F J Baumgartner1, T Yokoyama, A Gheissari

  • 1St Vincent Medical Center, Los Angeles, USA.

The American Journal of Cardiology
|October 29, 2000
PubMed

Insights

Off-pump coronary bypass surgery significantly reduced blood transfusions and complications like neurologic and renal issues compared to standard on-pump bypass. This demonstrates improved patient outcomes with the off-pump approach.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Minimally Invasive Cardiac Surgery

Background:

  • Coronary artery bypass grafting (CABG) is a common cardiac procedure.
  • On-pump CABG utilizes cardiopulmonary bypass, which can be associated with systemic complications.
  • Off-pump CABG aims to mitigate these risks by avoiding cardiopulmonary bypass.

Purpose of the Study:

  • To compare the outcomes of off-pump coronary artery bypass (OPCAB) surgery with standard on-pump coronary artery bypass (ONCAB) surgery.
  • To evaluate the impact of surgical technique on intraoperative transfusion needs and postoperative complications.

Main Methods:

  • Retrospective comparison of 303 patients undergoing OPCAB versus 483 patients undergoing ONCAB.
  • Analysis of intraoperative blood transfusion requirements.
  • Assessment of the incidence of neurologic, renal, and prolonged ventilatory complications.

Main Results:

  • Off-pump CABG demonstrated a significant reduction in intraoperative blood transfusion requirements compared to on-pump CABG.
  • Patients undergoing OPCAB experienced a significant reduction in the incidence of neurologic complications.
  • OPCAB was associated with significantly lower rates of renal and prolonged ventilatory complications.

Conclusions:

  • Off-pump coronary bypass surgery offers significant advantages over standard on-pump procedures.
  • OPCAB is associated with reduced transfusion needs and fewer major postoperative complications.
  • These findings support OPCAB as a potentially safer alternative for select patients undergoing coronary revascularization.

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