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. 2023 Nov 1;95(5):685-690.
doi: 10.1097/TA.0000000000003980. Epub 2023 May 1.

The reports of my death are greatly exaggerated: An evaluation of futility cut points in massive transfusion

Thomas W Clements  1 , Jan-Michael Van Gent, David E Lubkin, Michael W Wandling, David E Meyer, Laura J Moore, Bryan A Cotton
Affiliations

The reports of my death are greatly exaggerated: An evaluation of futility cut points in massive transfusion

Thomas W Clements et al. J Trauma Acute Care Surg. .

Abstract

Background: Following COVID and the subsequent blood shortage, several investigators evaluated futility cut points in massive transfusion. We hypothesized that early aggressive use of damage-control resuscitation, including whole blood (WB), would demonstrate that these cut points of futility were significantly underestimating potential survival among patients receiving >50 U of blood in the first 4 hours.

Methods: Adult trauma patients admitted from November 2017 to October 2021 who received emergency-release blood products in prehospital or emergency department setting were included. Deaths within 30 minutes of arrival were excluded. Total blood products were defined as total red blood cell, plasma, and WB in the field and in the first 4 hours after arrival. Patients were first divided into those receiving ≤50 or >50 U of blood in the first 4 hours. We then evaluated patients by whether they received any WB or received only component therapy. Thirty-day survival was evaluated for all included patients.

Results: A total of 2,299 patients met the inclusion criteria (2,043 in ≤50 U, 256 in >50 U groups). While there were no differences in age or sex, the >50 U group was more likely to sustain penetrating injury (47% vs. 30%, p < 0.05). Patients receiving >50 U of blood had lower field and arrival blood pressure and larger prehospital and emergency department resuscitation volumes ( p < 0.05). Patients in the >50 U group had lower survival than those in the ≤50 cohort (31% vs. 79%; p < 0.05). Patients who received WB (n = 1,291) had 43% increased odds of survival compared with those who received only component therapy (n = 1,008) (1.09-1.87, p = 0.009) and higher 30-day survival at transfusion volumes >50 U.

Conclusion: Patient survival rates in patients receiving >50 U of blood in the first 4 hours of care are as high as 50% to 60%, with survival still at 15% to 25% after 100 U. While responsible blood stewardship is critical, futility should not be declared based on high transfusion volumes alone.

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

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Comment in

  • Futility thresholds, too simple.
    Valiente Fernández M, Delgado Moya FP. Valiente Fernández M, et al. J Trauma Acute Care Surg. 2023 Nov 1;95(5):e50-e51. doi: 10.1097/TA.0000000000004091. Epub 2023 Aug 10. J Trauma Acute Care Surg. 2023. PMID: 37561113 No abstract available.

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