Autologous blood transfusion does not reduce postoperative infection rates in elective surgery
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Published on: June 16, 2023
A Sauaia1, W Alexander, E E Moore
1Colorado Foundation for Medical Care, Aurora 80014, USA.
Background:
The influence of blood transfusions in the risk of postoperative infection remains controversial. We examined the association between autologous (AB) and homologous (HB) blood transfusions with postoperative infection in elective surgery.
Methods:
The medical records of 991 Medicare patients aged > or =65 years submitted to hysterectomy and hip and knee replacement were reviewed. Logistic regression analysis was used to control for age, comorbidity, year, and type of procedure.
Results:
Overall, 451 (46%) patients required transfusions. AB was given to 324 (72%), HB to 94 (21%); 33 (7%) patients received both. Forty-two patients (4%) developed postoperative infections. The infection rate was not different among patients receiving HB (7%), AB (5%), AB+HB (0), and nontransfused patients (4%); P = 0.18). After adjustment for confounders, HB and AB remained not associated with infections.
Conclusion:
In elective surgery with small volume transfusion, neither AB nor HB transfusions were associated with an increased risk of postoperative infections.
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