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Vox Sang. 2015 Apr;108(3):251-61. doi: 10.1111/vox.12215. Epub 2014 Dec 3.

Febrile non-haemolytic transfusion reaction occurrence and potential risk factors among the U.S. elderly transfused in the inpatient setting, as recorded in Medicare databases during 2011-2012.

Author information

1
Food and Drug Administration, Silver Spring, MD, USA.

Abstract

BACKGROUND AND OBJECTIVES:

Febrile non-haemolytic transfusion reaction (FNHTR) is an acute transfusion complication resulting in fever, chills and/or rigours. Study's objective was to assess FNHTR occurrence and potential risk factors among inpatient U.S. elderly Medicare beneficiaries, ages 65 and older, during 2011-2012.

MATERIALS AND METHODS:

Our retrospective claims-based study utilized large Medicare administrative databases. FNHTR was ascertained via ICD-9-CM diagnosis code, and transfusions were identified by recorded procedure and revenue centre codes. The study ascertained FNHTR rates among the inpatient elderly overall and by age, gender, race, blood components and units transfused. Multivariate logistic regression analyses were used to assess potential risk factors.

RESULTS:

Among 4 336 338 inpatient transfusion stays for elderly during 2011-2012, 2517 had FNHTR diagnosis recorded, an overall rate of 58.0 per 100,000 stays. FNHTR rates (per 100,000 stays) varied by age, gender, number of units and blood components transfused. FNHTR rates were substantially higher for RBCs- and platelets-containing transfusions as compared to plasma only. Significantly higher odds of FNHTR were identified with greater number of units transfused (P < 0.01), for females vs. males (OR = 1.15, 95% CI 1.04-1.27), and with 1-year histories of transfusion (OR = 1.25, 95% CI 1.10-1.42), lymphoma (OR = 1.22, 95% CI 1.02-1.46), leukaemia (OR = 1.90, 95% CI 1.56-2.31) and other diseases.

CONCLUSIONS:

Our study shows increased FNHTR occurrence among elderly with greater number of units and with RBCs- and platelets-containing transfusions, suggesting need to evaluate effectiveness of prestorage leucoreduction in elderly. The study also suggests importance of prior recipient alloimmunization and underlying health conditions in the development of FNHTR.

KEYWORDS:

Medicare; administrative databases; elderly; febrile non-haemolytic transfusion reaction; inpatient; potential risk factors

PMID:
25470076
DOI:
10.1111/vox.12215
[Indexed for MEDLINE]

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