Effect of PDCA Cycle Management Mode on Drug Loss in Inpatient Pharmacy

Abstract

Objective: To assess effect of PDCA cycle management mode on drug loss in inpatient pharmacy. Methods: From January 2019 to December 2020, we collected the data from hospital work record of inpatient pharmacy each season and data of total drug loss. The valid data of scrap drugs included item name, specification, packing, quantity, wholesale price, expiry date, and scrap reason. In scrap drugs record of hospital, the inpatient pharmacy managers often record drug data from actual situation of inpatient pharmacy and documents from the drug supplier. In addition, we also collected the change of for each season, and compare the result between 2019 and 2020. Result: The results showed that the number of damaged batches reported in 2019 was significantly higher than the number reported in 2020 (122 vs 77), with a difference of 68% between them. Among the drug loss amount, the loss amount increased with the increase of the number of batches reported to be damaged, and the result of loss amount differed by 54%. In quarter records, we observed that most of the losses occurred in the first quarter and the fourth quarter, with monetary losses of around RMB 2,000 in 2020 and about RMB 3,200 in 2019. Compared with 2019 group, there is a lower amount loss (RMB 10,157.88 vs RMB 5515.14) in the amount loss caused by drug loss in 2020, and the annual reported loss in 2020 group is 54% of the annual reported loss in 2019. Further, the dollar loss for each quarter in 2020 group was lower than for each quarter in 2019. Conclusion: PDCA cycle management mode effectively reduced drug broken event, that it provided continuous improvement as the inpatient pharmacy carried out this cycle management.