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Infection Is Not Associated With Plasma or Cryoprecipitate Transfusion Volumes in Trauma: A Retrospective Study Using the National Trauma Data Bank.
Surgical Infections 2024 May 4
Background: Packed red blood cell (PRBC) transfusion has been shown to increase nosocomial infection risk in the injured population; however, the post-traumatic infectious risk profiles of non-PRBC blood products are less clear. We hypothesized that plasma (fresh frozen plasma [FFP]), platelet (PLT), and cryoprecipitate administration would not be associated with increased rates of nosocomial infections. Patients and Methods: We performed a retrospective, matched, case-control study utilizing the American College of Surgeons National Trauma Data Bank data for 2019. We included all patients who received any volume of PRBC within four hours of presentation. Our outcome of interest was any infection. Controls were matched to cases using individual matching with a desired 1:3 case:control ratio. Bivariable analysis according to infection status, and multivariable logistic regression modeling the development of infection were then performed upon the matched data. Results: A total of 1,563 infectious cases were matched to 3,920 non-infectious controls. First four-hour transfusion volumes for FFP, PLT, and cryoprecipitate in the infection group exceeded those in the control group. The first four-hour FFP transfusion volume (per unit odds ratio [OR], 1.02; 95% confidence interval [CI], 0.99-1.04; p = 0.28) and cryoprecipitate transfusion volume (per unit OR, 1.01; 95% CI, 0.99-1.02; p = 0.43) were similar in cases and controls whereas PLT transfusion volume (per unit OR, 0.92; 95% CI, 0.86-0.98; p = 0.01) was lower in cases of infection than in controls. Conclusions: Fresh frozen plasma, PLT, and cryoprecipitate transfusion volumes were not independent risk factors for the development of nosocomial infection in a trauma population. PLT transfusion volume was associated with less infection.
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