【Objective】 To learn the
production efficient of
platelet components among prefecture-level
blood stations in
China, to provide supporting data for those
blood stations to optimize the
production mode of
platelet components and continuously improve
production efficiency and
supply capacity. 【
Methods】 The data from 2017 to 2020 was obtained from 24 prefecture-level
blood stations
who were the members of the practice comparison network for
blood institutes in
China. The collection units of
apheresis platelets, the number of dual-collections of
apheresis platelets and
plasma, the average
apheresis units of one
platelet apheresis procedure, the discarded rate of
apheresis platelets, the amount of expired
apheresis platelets and the amount of
apheresis platelets issued were collected. For concentrated
platelets, the prepared amount of
platelet concentrates and the amount of expired
platelet concentrates were collected; both the quantity of qualified and issued concentrated
platelets were submitted for
statistical analysis.The total output and
efficiency of
platelet components were calculated based on the collected data. 【Results】 The average annual
growth rate of
apheresis platelets collection in 24 prefecture-level
blood stations was 12.23%,
accounting for 99.80% of the total
platelet output; the average collection unit of one
platelets apheresis procedure was 1.75; from 2019 to 2020, only 5
blood stations performed dual-collection of
platelet and
plasma during one
apheresis procedure; the discarded rate of
apheresis platelets was 0.28%, of which 0.007% was due to expiration. A total of 1 621.2
therapeutic units of concentrated
platelets were prepared, and 13.03% of them was discarded due to the expiration. The
production efficiency of
platelet components was 97.56%, of which the
production efficiency of
apheresis platelets was 97.61% and the
production efficiency of concentrated
platelets was 74.43%. 【Conclusion】 There are large regional differences in the
supply capacity of
platelet components in prefecture-level
blood stations.
Apheresis platelets are the main
resource of
platelet components product, and the collection capacity is increasing over the years with the characteristics of high
production efficiency and low expiration scrapping rate. However, the preparation of concentrated
platelets are still limited with relatively low
production and high expiration discarded rate.