RESUMEN
Objective To systematically evaluate the effect of patient decision aids(DA)in breast cancer screening.Methods Randomized controlled trials on the efficacy of DA in breast cancer screening were searched in databases including CNKI,WanFang,VIP,SinoMed,PubMed,the Cochrane Library,Embase and Web of Science.The search period was from the establishment of the database to February 2023.Descriptive analysis was used to analyze the main contents of DA and summarize its clinical application effect.Results A total of 8 literatures were included.The quality of the included literatures were moderate,with all grades B.The results showed that DA can help patients improve their ability to make informed decisions,reduce decision regret,and promote patients'positive role in decision making.There were no significant differences in screening intention,decision conflict,and perceived risk of cancer in DA.DA had paper and online forms,including basic information support,advantages and disadvantages of breast cancer screening,and preference of patients'personal values.Conclusion DA has certain limitations,but the prospects are broad.In the future,we can learn foreign relevant theoretical achievements and develop a more comprehensive DA for breast cancer screening based on China's national conditions.