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Preoperative autologous blood donation reduces the need for allogeneic blood products: a prospective randomized study

Denis Bouchard1, Bertrand Marcheix, Sfoug Al-Shamary

  • 1Department of Cardiovascular Surgery, Montreal Heart Institute, Montréal, Quebec. denis.bouchard@icm-mhi.org

Canadian Journal of Surgery. Journal Canadien De Chirurgie
|December 6, 2008
PubMed

Insights

Preoperative autologous blood donation effectively reduced patient exposure to allogeneic blood products in elective cardiac surgery. This blood conservation strategy proved safe and beneficial for low-risk patients.

Area of Science:

  • Cardiovascular Surgery
  • Transfusion Medicine

Background:

  • Allogeneic blood transfusions carry risks.
  • Minimizing exposure to allogeneic blood products is desirable in cardiac surgery.

Purpose of the Study:

  • To evaluate the effectiveness of preoperative autologous blood donation in reducing allogeneic blood product exposure after elective cardiac surgery.

Main Methods:

  • A prospective study of 48 patients undergoing elective cardiac surgery.
  • Patients were randomized into a control group or a group receiving preoperative autologous blood donation.
  • Mediastinal blood was processed and reinfused, and all patients received aprotinin.

Main Results:

  • Preoperative blood donation was successfully completed in 92% of eligible patients.
  • While overall blood product exposure was similar, the autologous donation group showed a significant reduction in allogeneic blood product exposure (16% vs. 39.1%).
  • No major complications were observed, though donation was interrupted in 8% due to angina.

Conclusions:

  • Preoperative autologous blood donation is a viable strategy to decrease allogeneic blood product exposure in elective cardiac surgery.
  • The procedure is safe for carefully selected low-risk patients.
Abstract

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