Department of Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, USA.
Laboratorio de Hígado, Páncreas y Motilidad (HIPAM)-Unit of Research in Experimental Medicine, Faculty of Medicine, Universidad Nacional Autónoma de México (UNAM), Hospital General de México, Dr. Eduardo Liceaga, Mexico City, Mexico.
United European Gastroenterol J. 2019 Oct;7(8):1033-1041. doi: 10.1177/2050640619866990. Epub 2019 Jul 30.
BACKGROUND: Modulating gut microbiota is a potential treatment for irritable bowel syndrome (IBS). This meta-analysis explored whether fecal microbiota transplantation (FMT) is successful in treating IBS. METHODS: A systematic review was performed to find trials on FMT in IBS. Ratios and relative ratios (RR) of improvement for single-arm trials (SATs) and randomized controlled trials (RCTs) were calculated, respectively. Changes in IBS Severity Scoring System (IBS-SSS) and IBS Quality of Life (IBS-QOL) instrument compared to baseline in FMT versus placebo groups were pooled. RESULTS: In SATs, 59.5% (95% confidence interval (CI) 49.1-69.3) of IBS patients showed significant improvement. In RCTs, there were no differences between FMT and control in improvement (RR=0.93 (95% CI 0.50-1.75)) or changes in the IBS-SSS and IBS-QOL. CONCLUSIONS: FMT was not effective in IBS. Variations in FMT methods and patient factors may contribute to the heterogeneous results of the trials.
背景:调节肠道微生物群是治疗肠易激综合征(IBS)的一种潜在方法。本荟萃分析探讨了粪便微生物群移植(FMT)治疗 IBS 是否有效。
方法:系统检索了关于 FMT 治疗 IBS 的试验。分别计算了单臂试验(SAT)和随机对照试验(RCT)的改善率比值和相对比值(RR)。比较 FMT 组与安慰剂组治疗前后 IBS 严重程度评分系统(IBS-SSS)和 IBS 生活质量(IBS-QOL)量表的变化。
结果:在 SAT 中,59.5%(95%置信区间(CI)49.1-69.3)的 IBS 患者有显著改善。在 RCT 中,FMT 与对照组在改善率(RR=0.93(95% CI 0.50-1.75))或 IBS-SSS 和 IBS-QOL 量表的变化方面无差异。
结论:FMT 对 IBS 无效。FMT 方法和患者因素的差异可能导致试验结果存在异质性。
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