AI Article Synopsis
- Allogeneic red blood cell transfusions may increase the risk of postoperative bacterial infections, a controversial issue among medical professionals.
- Researchers analyzed data from 1,349 colorectal surgery patients and found that those who received transfusions had a significantly higher incidence of wound infections and intra-abdominal sepsis compared to non-transfused patients.
- The study concluded that allogeneic transfusion is an independent risk factor for developing these infections, suggesting that minimizing transfusions during surgery is important for patient safety.
Article Abstract
Background And Objectives: Allogeneic red blood cell transfusions may exert immunomodulatory effects in recipients including an increased rate of postoperative bacterial infection. It is controversial whether allogeneic transfusion is an independent predictor for the development of postoperative bacterial infection.
Methods: We analysed a prospectively collected database of 1,349 patients undergoing colorectal surgery in 11 centres across Canada. The primary outcome was the development of either a postoperative wound infection or intra-abdominal sepsis in transfused and nontransfused patients. The effect of allogeneic transfusion on postoperative infection was evaluated with adjustment for all the confounding factors in a multiple regression analysis.
Results: The 282 patients who received a total of 832 allogeneic units had a significantly higher frequency of wound infections and intra-abdominal sepsis than the patients who were not transfused (25. 9 vs. 14.2%, p = 0.001). A significant dose-response relationship between transfusion and infection rate was demonstrated. Multiple regression analysis identified allogeneic transfusion as a statistically significant independent predictor for postoperative bacterial infection (OR 1.18, 95% CI 1.05-1.33, p = 0.007). Other independent predictors were anastomotic leak, repeat operation, patient age and preoperative haemoglobin level. The mortality rate was also significantly higher in the transfused group.
Conclusion: These data support the hypothesis that allogeneic red cell transfusion is an independent risk factor for the development of postoperative bacterial infection in patients undergoing colorectal surgery. This association provides further reason to minimise exposure to allogeneic transfusions in the perioperative setting.
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| http://dx.doi.org/10.1159/000031143 | DOI Listing |
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