Abstract
Balanced blood product resuscitation with red blood cells, plasma, and platelets can be achieved using whole blood (WB) or component therapy (CT). However, balanced resuscitation of younger children with severe traumatic hemorrhage may be complicated by delays in delivering all blood components and concerns regarding multiple product exposures. We hypothesized that WB achieves balanced resuscitation faster than CT, with fewer product exposures and improved clinical outcomes. Children <12 years old receiving balanced resuscitation within four hours of arrival were identified from the 2017-2019 Trauma Quality Improvement Program database. Time to balanced resuscitation was defined as the time of initiation of WB or all three components. Patient characteristics, resuscitation details, and outcomes were compared between WB and CT groups. Time to balanced resuscitation was compared using Kaplan-Meier analysis and Cox regression modeling to adjust for covariates. Additional multivariable regression models compared number of transfusion exposures, intensive care unit (ICU) length of stay, and mortality. There were 390 patients (109 WB, 281 CT) with median age 7 years, 12% penetrating mechanism, 42% severe TBI, and 49% in-hospital mortality. Time to balanced resuscitation was shorter for WB vs. CT (median 28 vs. 87 minutes, hazard ratio [HR] 2.93, 95% confidence interval [CI] 2.31-3.72, p < 0.0001). WB patients received fewer transfusion exposures (mean 3.2 vs. 3.9, adjusted incidence rate ratio 0.82, 95% CI 0.72-0.92, p = 0.001) and lower total product volumes (50 vs. 85 mL/kg, p = 0.01). ICU stays trended shorter for WB vs. CT (median 10 vs. 12 days; adjusted HR 1.32, 95% CI 0.93-1.86), while in-hospital mortality was similar (50% vs. 45%, adjusted odds ratio 1.11, 95% CI 0.65-1.88). In critically injured pre-adolescent children receiving emergent transfusion, WB was associated with faster time to balanced resuscitation, fewer transfusion exposures, lower blood product volumes, and a trend toward shorter ICU stays than CT.Study TypeOriginal Research. 3, retrospective.
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