Cochrane Database of Systematic Reviews
Cochrane systematic review of 75 RCTs demonstrating that intraoperative cell salvage reduces the need for allogeneic blood transfusion by 38% (RR 0.62). Gold-standard evidence supporting cell salvage as a safe and effective blood-conservation technique.
Cell salvage reduced the rate of exposure to allogeneic red blood cell transfusion by a relative 38% (relative risk 0.62, 95% CI 0.55 to 0.70).