生物反饋訓練對直腸癌保肛術后低位前切綜合征療效的Meta分析

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The efficacy of biofeedback training on low anterior resection syndrome after anal preservation for rectal cancer：a Meta-analysis

WANG Xiaoying，WANG JiamingGansu Provincial Hospital，Gansu 730000 ChinaCorresponding Author WANG Jiaming，E-mail：2247054641@qq.com

Abstract Objective：Systematic evaluation of the efficacy of biofeedback training in postoperative low anterior resection syndrome in rectal cancer.Methods：A computerized search of PubMed，EMbase，Web of Science，MedLine，CNKI，CBM，WanFang Database，and VIP was conducted for studies related to the efficacy of biofeedback training in the treatment of postoperative anterior resection syndrome in rectal cancer，with a time frame of the search from the establishment of the database to June 30，2023，and RevMan 5.3 was used for the Meta-analysis.Results：A total of 13 articles involving 1 001 patients were included，and the results of Meta-analysis showed that biofeedback training was able to reduce the number of postoperative bowel movements （MD=-3.50，95%CI -4.05--2.95，P＜0.000 01） and the incidence of LARS （OR=0.34，95%CI 0.18-0.64，P=0.000 9），increase the postoperative anal canal  rest pressure （MD=8.28，95%CI 4.28-12.29，P＜0.000 1），postoperative maximal systolic blood pressure （MD=20.20，95%CI 8.09-32.30，P=0.001）and maximum tolerance capacity（MD=19.25，95%CI 7.91-30.60，P=0.000 9），and lowered patients′ postoperative Wexner′s score （MD=-3.38，95%CI-5.41--1.35，P=0.001） and defecation score （MD = 1.97，95%CI 1.51-2.43，P< 0.000 01），and the differences were statistically significant.Conclusion：Available evidence suggests that biofeedback training can reduce the number of bowel movements，decrease the incidence of LARS，and improve the objective indicators of anorectal dynamics，and postoperative subjective feeling scores of the patients，which is of great significance in the treatment of low anterior resection syndrome.

Keywords biofeedback training;rectal cancer;low anterior resection syndrome;Meta-analysis;evidence-based nursing

摘要 目的：系統(tǒng)評價生物反饋訓練對直腸癌術后低位前切綜合征（LARS）的療效。（剩余11026字）