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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-36216

Bosshart, M; Stover, J F; Stocker, R; Asmis, L M; Feige, J; Neff, T A; Schuepbach, R A; Cottini, S R; Béchir, M (2010). Two different hematocrit detection methods: Different methods, different results? BMC Research Notes, 3:65.

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Abstract

BACKGROUND: Less is known about the influence of hematocrit detection methodology on transfusion triggers. Therefore, the aim of the present study was to compare two different hematocrit-assessing methods. In a total of 50 critically ill patients hematocrit was analyzed using (1) blood gas analyzer (ABLflex 800) and (2) the central laboratory method (ADVIA(R) 2120) and compared. FINDINGS: Bland-Altman analysis for repeated measurements showed a good correlation with a bias of +1.39% and 2 SD of +/- 3.12%. The 24%-hematocrit-group showed a correlation of r2 = 0.87. With a kappa of 0.56, 22.7% of the cases would have been transfused differently. In the-28%-hematocrit group with a similar correlation (r2 = 0.8) and a kappa of 0.58, 21% of the cases would have been transfused differently. CONCLUSIONS: Despite a good agreement between the two methods used to determine hematocrit in clinical routine, the calculated difference of 1.4% might substantially influence transfusion triggers depending on the employed method.

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Division of Surgical Intensive Care Medicine
04 Faculty of Medicine > University Hospital Zurich > Clinic for Hematology
04 Faculty of Medicine > University Hospital Zurich > Institute of Anesthesiology
DDC:610 Medicine & health
Language:English
Date:2010
Deposited On:15 Nov 2010 13:29
Last Modified:03 Dec 2012 16:32
Publisher:BioMed Central
ISSN:1756-0500
Publisher DOI:10.1186/1756-0500-3-65
PubMed ID:20214819
Citations:Google Scholar™
Scopus®. Citation Count: 1

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