Construction and application of drug error prevention system in outpatient pharmacy based on similarity algorithm for information pharmacists
OBJECTIVE To establish a medication error prevention system based on similarity algorithms and providing technical references for a comprehensive management of drugs at outpatient pharmacies.METHODS Similarity algorithms were utilized for detecting text and image similarities of seemingly similar drugs and establishing a database of similar drugs.Root cause analysis was conducted for examining the fundamental causes of errors in seemingly similar drugs,ultimately constructing a com-prehensive medication error prevention system for outpatient pharmacy drug management.RESULTS A total of 708 645 pairs of similarities were successfully detected among 1191 types of drugs,A database of similar drugs was constructed with 145 types of sound-alike drugs and 87 types of look-alike drugs.Based upon the database of similar drugs and key factors identified through root cause analysis,an error prevention system was constructed with four core modules of prescription,dispensing ticket printing,label & location and drug dispensing verification.Preliminary application results showed a significant decrease in medication error data after implementation(P＜0.05).CONCLUSION This study has successfully established a medication error prevention sys-tem based upon similarity algorithms,providing a solid foundation for researches and practical applications of computer similarity algorithms in the field of hospital pharmacy.It also offers new insights into the role of informatic pharmacists integrating computa-tional theories into hospital drug management systems.
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