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Single versus double-unit transfusion: Safety and efficacy for patients with hematologic malignancies
Journal article   Open access   Peer reviewed

Single versus double-unit transfusion: Safety and efficacy for patients with hematologic malignancies

Zelia Bowman, Naomi Fei, Janice Ahn, Sijin Wen, Aaron Cumpston, Nilay Shah, Michael Craig, Peter L Perrotta and Abraham S Kanate
European journal of haematology, Vol.102(5), pp.383-388
05/2019
DOI: 10.1111/ejh.13211
PMCID: PMC6542263
PMID: 30664281
url
https://www.ncbi.nlm.nih.gov/pmc/articles/6542263View
Open Access

Abstract

Although hemoglobin thresholds for red blood cell (RBC) transfusion have decreased, double-unit RBC transfusion practices persist. We studied the effects switching from predominantly double-unit to single-unit RBC transfusions had on utilization and clinical outcomes for malignant hematology patients. Retrospective chart review compared malignant hematology patients before and after implementing single-unit RBC transfusion policy. Hemoglobin threshold was 8.0 g/dL for both groups. RBC utilization metrics included number of RBC units transfused, RBC units transfused per admission, and number of transfusion episodes. Clinical outcomes included length of stay, 30-day mortality, and outpatient RBC transfusion 30-days post-discharge. Baseline hemoglobin was similar in both groups. The single-unit group was transfused with fewer RBC units per admission (5.1 vs 4.5, P = 0.01) than the double-unit group, but had more transfusion episodes per admission (4.1 vs 2.7, P < 0.001). After implementing single-unit policy, a 29% reduction in RBC utilization was observed. Mean hemoglobin at discharge was lower in the single-unit group (8.9 vs 9.5 g/dL, P = 0.005). No significant differences in length of stay or 30-day mortality were observed. Transfusing malignant hematology patients with single RBC units is safe and efficacious. Electronic provider order systems facilitating RBC transfusion requests provide excellent adherence to transfusion policy.
Adult Aged Blood Transfusion - methods Combined Modality Therapy Disease Management Erythrocyte Indices Erythrocyte Transfusion - adverse effects Erythrocyte Transfusion - methods Female Hematologic Neoplasms - blood Hematologic Neoplasms - diagnosis Hematologic Neoplasms - therapy Humans Male Middle Aged Transfusion Reaction Treatment Outcome

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