Journal
JOURNAL OF ARTHROPLASTY
Volume 33, Issue 6, Pages 1705-1712Publisher
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2017.12.014
Keywords
transfusion; costs; total knee arthroplasty; allogeneic transfusion; blood transfusion
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Background: Allogeneic transfusions are commonly used for substantial blood loss in total knee arthroplasty (TICS), but have been associated with adverse effects and increased costs. The purpose of this study is to provide a detailed description of (1) trends of allogeneic blood transfusion; (2) risk factors and adverse events; and (3) discharge disposition, length-of-stay (LOS), and cost/charge analysis for primary TICS patients who received an allogeneic blood transfusion from 2009-2013. Methods: A cohort of 3,217,056 primary TICS patients was identified from the National Inpatient Sample database from 2009-2013. Demographic, clinical, economic, and discharge data were analyzed for patients who received allogeneic blood products, and for those who did not receive any type of blood transfusion. Other parameters analyzed include risk factors, adverse events, discharge disposition, and costs/charges. Results: There was a significant decline in use of allogeneic transfusion from 2009-2013 incidence (13.9%-7.3%; P < .001). All comorbidities examined were associated with significantly increased risk of receiving allogeneic transfusion with exception of patients with AIDS, metastatic cancer, and peptic ulcer disease. Allogeneic transfusion was associated with worse outcomes during hospitalization. Patients also had a greater likelihood of discharge to short-term care, greater LOS, and greater median costs/charges. Among TICS patients who received an allogeneic transfusion, costs varied based on hospital ownership and characteristics, primary-payer, region, and bed-size. Conclusion: Given the poor outcomes and higher costs associated with allogeneic transfusions, efforts must be undertaken to minimize this risky practice. With the projected increase in demand for TIKAs, orthopedists must understand effective blood management strategies. (C) 2017 Published by Elsevier Inc.
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