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KMID : 0387720150260030273
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Korean Journal of Blood Transfusion
2015 Volume.26 No. 3 p.273 ~ p.281
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Evaluation of Two Noninvasive Hemoglobin Testing Devices
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김재현:Kim Jae-Hyun
최경영:Choi Kyoung-Young/양진혁:Yang Jin-hyuk/권소영:Kwon So-Young/오덕자:Oh Deok-Ja
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Abstract
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Background: Determination of the hemoglobin (Hb) levels of prospective blood donors has been performed on capillary blood obtained by finger prick using a gravimetric CuSO4 method. Noninvasive Hb testing devices based on pulse oximetry technology have recently been developed. This study was conducted to evaluate the performance of two noninvasive Hb testing devices, NBM 200 and Pronto-7 as a predonation Hb screening test.
Methods: Hb levels of 993 blood donors (727 males, 266 females) were measured using five methods: two noninvasive methods, CuSO4 method, HemoCue, and hematology analyzer (Sysmex KX-21N). The hematology analyzer was considered as the reference method.
Results: Compared with Hb levels of the hematology analyzer, the bias was 0.7 g/dL for NBM 200, 0.1 g/dL for Prtonto-7, and 0.4 g/dL for HemoCue. The intraclass correlation coefficients of Hb measurements compared to the hematology analyzer were 0.57 (95% CI: 0.25∼0.73) for NBM 200, 0.73 (95% CI: 0.69∼0.75) for Pronto-7, and 0.87 (95% CI: 0.69∼0.93) for HemoCue. The ability to detect Hb <12.5 g/dL and ≥12.5 g/dL was 16.4% and 99.2% for NBM 200, 55.8% and 95.9% for Pronto-7, 60.0% and 98.6% for HemoCue and 81.8% and 95.2% for the CuSO4 method, respectively.
Conclusion: Unsatisfactory results were obtained using the noninvasive Hb testing devices for a predonation Hb screening test, although they have the apparent advantage of reducing pain and stress in donors thereby increasing donor satisfaction. However, for application in the blood donation setting, performance of these devices should be improved.
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KEYWORD
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Blood donors, Hemoglobin, Noninvasive
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