Causes and characteristics analysis of deferred blood donation in apheresis platelet donors
Objective:To analyze the main causes and characteristics of deferred blood donation in apheresis platelet donors in recent years,and provide a reference for improving the qualified rate of blood donation and re-duce the cost.Methods:The information of blood donors who donated apheresis platelets in center blood stations from July 2019 to June 2023 was collected,and the failure rate of physical examination consultation,the failure rate of initial blood screening and the failure distribution of each sub-item in different years were compared.The differences of initial screening between primary and repeat donors,between different genders,between 18-55 years old and 56-60 years old apheresis platelet donors were compared.Results:During the four years from July 2019 to June 2023,a total of 24 202 platelet donation cases were registered in Taizhou,and 3 142 blood donation cases(13.0％)were delayed,among which 871 cases(3.6％)failed to pass physical examination consultation and 2 271 cases(9.4％)failed to pass primary blood screening.The delayed blood donation rate and the unqualified rate of initial screening were in a relatively stable state in recent years.The main unqualified items in the primary screen-ing were alanine aminotransferase(ALT),white blood cell count(WBC)and chylous blood,accounting for 2.8％,2.4％and 1.8％of the total number of primary screening patients,respectively.The delayed blood donation rate was higher in first-time donors(20.3％)than in repeat donors(12.4％)(P＜0.001),in females(19.6％)than in males(11.4％)(P＜0.001),and in 18-55 year old monocollection platelet donors(13.2％)than in 56-60 year old patients(8.9％)(P＜0.001).Conclusion:The main reasons for blood donation deferral of apheresis platelet do-nors in Taizhou area these years were unqualified blood screening,among which ALT,WBC and chylous blood were in the majority.Repeat donors,males and elderly donors aged 56-60 years old had a lower blood donation de-ferral.It is necessary to strengthen the refined management of blood donors according to the characteristics of this area and provide individualized management suggestions,so as to reduce the delay rate of blood donation,reduce the cost of blood collection and retain blood donors.
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