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J Burn Care Res. 2006 Nov-Dec;27(6):835-41.

Use of blood bank services in a burn unit.

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1
Blood Bank, Department of Pathology, Chicago, Illinois, USA.

Abstract

Burn patients may need transfusions, especially during surgery. The purpose of the study was to determine blood bank services utilization at an urban burn center. This was a retrospective review (March 1999 to May 2004) of burn patient data on blood utilization. There were 1615 admissions; 800 (49.5%) of the patients had a type and screen (T and S); 180 of 1615 (11%) were transfused with 1691 red blood cell (RBC) units; 616 units of fresh- frozen plasma (FFP), 399 units of pooled platelets, and 38 units of apheresis platelets. Of the 180 transfused patients, 140 (79%) received RBCs, 11 (6%) received RBCs plus FFP, 23 (13%) received RBCs plus FFP plus platelets, and 3 (2%) each received RBCs plus platelets and FFP. Overall, 3393 red cell units were cross-matched, and 1691 units were transfused for a cross-match/transfused unit (C/T) ratio of 2.01. Seventy-three (5.7%) of 1282 of patients with 0% to 10% TBSA required transfusions; 42 (21%) of 193 with 11% to 20% TBSA; 24 (39%) of 61 with 21% to 30% TBSA; and 62% of patients with 31% or greater TBSA required transfusion (P = .001). As %TBSA increased, more of the cross-matched units were transfused: 37% in the 0% to 10% TBSA to 59% in the 30% or greater TBSA burn. The C/T ratio in the 0% to 10% TBSA was 2.69; only 18% of patients with a T&S received blood. Although most patients who underwent transfusion were in the less than 30% TBSA group, more of the red cell units were used in patients with a 30% or greater TBSA burn. Elimination of admission T&S and cross matches in burn patients with less than 20% TBSA may improve the C/T ratio in this cohort.

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