[Preoperative autologous blood donation in coronary artery bypass grafting in elderly patients]

M Hibi1, H Ohshima, F Murakami

  • 1Department of Surgery, Aichi Prefectural Owari Hospital, Ichinomiya, Japan.

Insights

Preoperative autologous blood donation using epoetin alpha is not effective in reducing allogeneic blood transfusions for elderly patients undergoing coronary artery bypass grafting (CABG). This approach did not significantly lower transfusion risks in this demographic.

Area of Science:

  • Cardiovascular Surgery
  • Transfusion Medicine
  • Geriatric Medicine

Context:

  • Allogeneic blood transfusions carry inherent risks, including transfusion reactions and infections.
  • Coronary artery bypass grafting (CABG) is increasingly performed in elderly patients.
  • Preoperative autologous blood donation (PAD) aims to mitigate risks associated with allogeneic transfusions.

Purpose:

  • To evaluate the efficacy of preoperative autologous blood donation (PAD) combined with subcutaneous epoetin alpha in patients undergoing elective coronary artery bypass grafting (CABG).
  • To compare the outcomes of PAD in elderly patients (over 65 years) versus younger patients (under 64 years) undergoing CABG.
  • To assess the impact of PAD on postoperative bleeding and the need for allogeneic blood transfusions in different age groups.

Summary:

  • The study compared 18 elderly patients (>65 years) with 20 younger patients (<64 years) undergoing CABG, utilizing preoperative autologous blood donation (800-1,200 g) with epoetin alpha.
  • Elderly patients exhibited significantly greater postoperative bleeding and required larger quantities of allogeneic blood transfusions compared to the younger group (p < 0.05).
  • The incidence of allogeneic blood usage was also significantly higher in the elderly cohort (p < 0.05).

Impact:

  • Preoperative autologous blood donation with epoetin alpha appears to be less effective in reducing allogeneic blood transfusions for elderly patients undergoing CABG.
  • The findings suggest that PAD may not adequately mitigate the risks of transfusion reactions or infections in the elderly population undergoing this procedure.
  • This study highlights the need for alternative strategies to optimize transfusion management in older adults undergoing cardiac surgery.