Discussion on the collection and supply mode of RhD negative blood suitable for prefecture-level city: a retrospective analysis
Journal Title: Chinese Journal of Blood Transfusion - Year 2023, Vol 36, Issue 8
Abstract
Objective To explore a RhD negative blood collection and supply mode suitable for Liaocheng area and improve the blood demand satisfaction rate of RhD negative patients. Methods Under different collection and supply modes (collection mode: in 2020, not advocate walk-in donation by RhD negative repeat blood donors, but in 2021 and 2022 were the opposite; supply mode: in 2020, type A, B, O and AB RBCs were frozen within 6 days of blood collection without inventory, but in 2021 and 2022, they were stored of 2-6 U and the remaining were frozen within 6 days of blood collection), RhD negative blood was divided into Type A, B, O and AB, appointment donation and walk-in donation, first donation and repeat donation, cold storage red blood cells(RBCs), frozen RBCs and frozen thawed deglycerolized RBCs, and the collection and supply data of each observation group from 2020 to 2022 were compared. Based on whether blood demand of RhD negative patients was met, the patients were divided into the group of going to other places for medical treatment, the group of RhD positive blood transfusion and the group of RhD negative blood transfusion to analyze the blood usage. Results From 2020 to 2022, the proportion of RhD negative blood donated by repeat appointment donors decreased year by year (P<0.05); the proportion of RhD negative blood donated by repeat walk-in donors increased year by year (P<0.05); the proportion of frozen thawed deglycerolized RBCs to RhD negative RBCs increased year by year (P<0.05); the proportion of cold storage RBCs distributed as RhD negative and RhD positive decreased year by year respectively (P<0.05); the proportion of the increase in frozen RBCs inventory to the current year's frozen RBCs inventory decreased year by year (P<0.05). The satisfaction rate of blood demand of RhD negative patients increased year by year (P<0.05), with the number of patients with RhD positive blood transfusion and going to other places for medical treatment decreased year by year respectively(P<0.05). Conclusion In Liaocheng area, it is appropriate to encourage RhD negative blood donors to donate blood randomly, and A, B, O and AB type cold storage RBCs kept in 2-6 U inventory respectively. When exceeding the inventory, frozen RBCs are prepared within 6 days, which can improve the blood demand satisfaction rate of RhD negative patients and avoid sending excessive RhD negative RBCs to clinical use as RhD positive RBCs.
Authors and Affiliations
Zhenjun DU, Qinghua ZHANG
Keywords
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- EP ID EP738622
- DOI 10.13303/j.cjbt.issn.1004-549x.2023.08.019
- Views 43
- Downloads 0
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