Trauma & major bleeding

Definitions of massive transfusion in adults with critical bleeding: a systematic review

Crit CarePublished Systematic review of randomised controlled trials

Authors' conclusion

Transfusion of ≥ 10 RBC units within 24 h was the most commonly used definition in published RCTs, while lower RBC volumes are being used in ongoing RCTs.

Study context

Population
Adults with major bleeding who received, or were anticipated to receive, massive transfusion (MT) in any clinical setting30 trials (19 published, 11 ongoing)
Outcome
Definitions of MT used in randomised controlled trials (RCTs)
Methodological detailsDatabases searched from inception until 11 August 2022
  • Databases searched from inception until 11 August 2022

Pooled result

As reported in the abstract

Definitions of MT

Different definitions of MT identified across published and ongoing trials

15

Published trials using ≥ 10 RBC units in 24 h (most common; all in trauma)

9 of 19

Ongoing trials using 3-5 RBC units (most common)

7

Ongoing trials with timing for transfusion poorly defined or not provided

5

Further pooled results

Clinical setting

Trauma most common in published trials; obstetrics in ongoing trials

Original publication

Definitions of massive transfusion in adults with critical bleeding: a systematic review. Crit Care. Published 5 July 2023. doi:10.1186/s13054-023-04537-z

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.