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General Article
Anesthesia and Pain Medicine 2010;5(1):87-91.
Published online January 30, 2010.
Evaluation of a portable hemoglobin photometer for assessment of intra-operative hemoglobin concentrations
Sun Young Park, Sang Hyun Kim, Young Rok Kim, Sung Hwan Cho, Won Seok Chae, Hee Cheol Jin, Jeong Seok Lee, Yong Ik Kim
Department of Anesthesiology and Pain Medicine, College of Medicine, Soonchunhyang University, Bucheon Hospital, Bucheon, Korea. aurellius@naver.com
Abstract
BACKGROUND
To evaluate the accuracy of a portable hemoglobin photometer, the HemoCue, during surgery, hemoglobin concentrations (Hb) of HemoCue were compared with those of the SYSMEX XE-2100, in the situation of bleeding.
METHODS
Hemoglobin concentrations were measured with HemoCue and by the SYSMEX XE-2100 at the same time, on 100 blood samples obtained from patients who were bleeding more than 500 ml, during surgery. The limits of agreement between the two methods were calculated from the results according to the method of Bland & Altman. The results of HemoCue were adjusted by adding the mean bias, defining the corrected values, and reevaluated the agreement with the results of the SYSMEX XE-2100.
RESULTS
The differences in results between the two methods were 1.12 +/- 0.37 g/dl. The limits of agreement were 0.38-1.86 g/dl, which means disagreement between the two methods. However, the corrected values represented agreement with the values of the SYSMEX XE-2100. The limits of agreement were -0.74-0.74 g/dl.
CONCLUSIONS
The corrected Hb values of HemoCue were comparable to the values of SYSMEX XE-2100. It is useful to evaluate the hemoglobin concentration using HemoCue intraoperatively.
Key Words: Anemia, Hemoglobin, Portable hemoglobin photometer
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