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Comparative Study
. 2024 Nov 1;97(5):703-709.
doi: 10.1097/TA.0000000000004366. Epub 2024 Apr 30.

Whole blood versus balanced resuscitation in massive hemorrhage: Six of one or half dozen of the other?

Cassie A Barton  1 , Heath J Oetken, Nicolas L Hall, Michael Kolesnikov, Elizabeth S Levins, Thomas Sutton, Martin Schreiber
Affiliations
Comparative Study

Whole blood versus balanced resuscitation in massive hemorrhage: Six of one or half dozen of the other?

Cassie A Barton et al. J Trauma Acute Care Surg. .

Abstract

Background: Whole blood (WB) resuscitation is increasingly used at trauma centers. Prior studies investigating outcomes in WB versus component-only (CO) resuscitation have been limited by small cohorts, low volumes of WB resuscitation, and unbalanced CO resuscitation. This study aimed to address these limitations using data from a high-volume Level I trauma center, which adopted a WB-first resuscitation paradigm in 2018. We hypothesized that the resuscitation method, WB or balanced CO, would have no impact on patient mortality.

Methods: A single-center, retrospective cohort study of adults presenting as a trauma activation from July 2016 through July 2021 was performed. Receipt of three or more units of WB or packed red blood cells (RBC) within the first hour of resuscitation was required for inclusion. Patients were grouped into WB versus CO resuscitation and important clinical outcomes were compared. Mortality was evaluated with Kaplan-Meier analysis, log-rank testing, and multivariable Cox proportional hazards modeling.

Results: There were 180 patients in the WB group and 170 patients in the CO group. Of the 180 WB patients, 110 (61%) received only WB during the first 24 hours. The WB group received a median of 5.0 units (interquartile range, 4.0-8.0) of WB and CO group received a median of 6.0 units (interquartile range, 4.0-11.8) of RBCs during the first 24 hours of resuscitation. In the CO group, median RBC/plasma and RBC/platelet ratios approximated 1:1:1. Groups were similar in clinicopathologic characteristics including age, Injury Severity Score, mechanism of injury, and requirement for hemorrhage control interventions (WB 55% vs. CO 59%, p = 0.60). Unadjusted survival was equivalent at 24 hours ( p = 0.52) and 30 days ( p = 0.70) between both groups on Kaplan-Meier analysis with log-rank testing. On multivariable Cox regression, WB resuscitation was not independently associated with improved survival after accounting for age, Injury Severity Score, mechanism of injury, and receipt of hemorrhage control procedure (hazard ratio, 0.85; 95% confidence interval, 0.61-1.19, p = 0.34).

Conclusion: Balanced CO resuscitation is associated with similar mortality outcomes to that of WB based resuscitation.

Level of evidence: Therapeutic/Care Management; Level IV.

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References

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