Mahidol University's Institutional Repository

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Recent Submissions

Item
Comparing HemoCue® and Quantitative Buffy Coat® and Coulter Counter-measured haemoglobin concentrations in African children with acute uncomplicated malaria: a Bland–Altman analysis
(2025-12-01) Ayuen D.S.; Olupot-Olupot P.; Muhindo R.; Onyamboko M.A.; Ajayi S.; Chimjinda N.; Taya C.; Uyoga S.; Williams T.N.; Maitland K.; Fanello C.; Day N.P.J.; Taylor W.R.; Mukaka M.; Ayuen D.S.; Mahidol University
Background: Anaemia is a deleterious consequence of malaria, and its accurate diagnosis is crucial for effective management. However, laboratory methods for measuring haemoglobin (Hb) concentration, like the Coulter Counter and the Quantitative Buffy Coat® (QBC®), are costly and not widely accessible in resource-limited settings. The point-of-care HemoCue® test is a cheaper alternative and suitable in rural areas. The study aimed to determine the level of agreement between Coulter Counter/QBC® vs. HemoCue®-measured Hb concentrations by Bland–Altman analysis. Methods: As part of a randomized, placebo-controlled trial of single low-dose primaquine in Ugandan and Congolese children with acute uncomplicated Plasmodium falciparum malaria, Hb concentrations were measured on days 0, 3, 7, and 28 using Coulter Counter (Uganda, n = 1880 paired values), QBC® (DR Congo, n = 1984 paired values) and HemoCue® Hb-301™. The predefined clinically acceptable limits were set at ± 0.5 g/dL. Results: The Bland–Altman analysis showed that the HemoCue® minus Coulter Counter mean Hb difference was − 0.15 g/dL with lower and upper limits of agreement of − 3.68 g/dL and 3.39 g/dL, respectively. Corresponding HemoCue® minus QBC® values were − 0.23 g/dL, − 1.66 g/dL and 1.22 g/dL. Linear regression of Hb concentration differences vs. mean Hb concentrations showed negative correlations: r = − 0.43 and r = − 0.34 for HemoCue® vs. Coulter Counter and HemoCue® vs. QBC®, respectively. Conclusions: Compared to Coulter and QBC®, mean HemoCue® measured Hb concentrations were lower and, compared to the Coulter or QBC® methods, had an overall tendency to measure lower Hb concentrations with increasing Hb concentrations. Upper and lower limits of agreement were wider than the predefined clinically acceptable limits of ± 0.5 g/dL. HemoCue® should be used with caution in settings where decisions about blood transfusions are made.
Item
คู่มือปฏิบัติงาน เรื่อง แนวทางการตรวจและการบันทึกข้อมูลสำหรับแบบการตรวจประเมินข้อเข่า
(2566) ทิพวรรณ สิทธิ; วรินทร์ดา อินทิราวรนนท์; ลออรัตน์ สุทธิวิริยะกุล
PublicationOpen Access
ปฏิญญาเฮลซิงกิ ๒๕๕๑
(2552) สัญญา สุขพณิชนันท์; บุษรา สุขพณิชนันท์; Sanya Sukpanichnant; Bussara Sukpanichnan