Defining Ultra-Massive Transfusion through a Systematic Review.
Courtney H MeyerNeal Mody BaileySharon L LeslieKenya ThrasherZach GradyM SandersErica MooreK W NicelyRandi N SmithPublished in: American journal of surgery (2023)
The absence of a consensus definition for UMT raises challenges from clinical, research and ethical perspectives. Based on our findings, the authors advocate for the feasibility of standardizing the definition of UMT as ≥20 units of red blood cell product within 24hrs.