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Optimizing the Hospital Blood Bank Stock in Korea: A Comparative Analysis of the Uniform 5-Day Stock Index and a Novel Blood Stock Index
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논문 기본 정보

Type
Academic journal
Author
Park Seo-Jin (Department of Laboratory Medicine, Ajou University School of Medicine, Suwon, KoreaDepartment of Laboratory Medicine, Ajou University Hospital, Suwon, Korea) Lim Young Ae (Department of Laboratory Medicine, Ajou University School of Medicine, Suwon, KoreaDepartment of Laboratory Medicine, Ajou University Hospital, Suwon, Korea)
Journal
대한진단검사의학회 Annals of Laboratory Medicine Annals of Laboratory Medicine 제44권 제3호 KCI Accredited Journals
Published
2024.5
Pages
262 - 270 (9page)
DOI
10.3343/alm.2023.0242

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Optimizing the Hospital Blood Bank Stock in Korea: A Comparative Analysis of the Uniform 5-Day Stock Index and a Novel Blood Stock Index
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Background: Maintaining optimal blood inventory levels in hospitals is important to prevent blood shortage and wastage. We aimed to provide an efficient blood inventory management strategy for hospital blood banks nation-wide by comparing the current use of 5-day issuable stock (IS) with Lim’s IS as a novel target IS. Methods: The average and CV of daily usage (DU) were calculated from information entered into Korea’s Blood Management System by 194 participating hospitals in 2019 and 2020. Using these data, Lim’s IS was calculated by determining the simulated annual average blood shortage day nearest to 1 for each blood group in each hospital. The 5-day IS (5IS) was estimated by multiplying the average DU in 2018 by five to count the shortage days in 2019. Results: The average DU (0.3–231.3 units) and corresponding CV (0.33–7.14) in the participating hospitals were inversely proportional (r=–0.699 to –0.695). The hypothetical averages of 5IS and Lim’s IS were 27.0±41.2 and 24.7±20.8, respectively (P=0.006). The shortage days for 5IS and Lim’s IS were 8.9±22.7 and 1.0±1.9, respectively (P<0.001). Conclusions: While 5IS was unacceptable for universal application, Lim’s IS remained near one shortage day and is considered more efficient than 5IS. Hospitals should implement indicators that consider DU and its variations. This is the first study to introduce Lim’s IS as an indicator of optimal blood inventory, and the data are expected to provide guidance for effective blood inventory management nationwide, particularly during blood shortages.
#Blood bank #Blood inventory management #Blood shortage day #Issuable stock

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