阶段性菌群移植治疗顽固性便秘疗效观察
Efficacy observation of periodic fecal microbiota transplantation in the treatment of refractory constipation
目的 探讨阶段性菌群移植(FMT)治疗顽固性便秘的疗效.方法 将2015年4月至2016年4月南京总医院普通外科肠道微生态治疗中心经鼻空肠管行FMT治疗的49例顽固性便秘患者纳入本回顾性对照研究,其中单次菌群移植25例(单次移植组:仅连续6 d行经鼻空肠管菌群移植治疗),阶段性菌群移植24例(阶段性移植组:在单次移植组的基础上,1个月后重复6 d菌群移植).治疗后随访12周,记录分析移植治疗前、治疗后4、8和12周患者Wexner便秘评分、胃肠生活质量评分(GIQLI)、每周自主排粪次数及相关不良反应,对治疗后各时间点与治疗前比较的差值进行统计分析,差值越大,提示改善程度越好.结果 单次移植组和阶段性移植组患者的一般资料比较,差异无统计学意义(均P>0.05).FMT治疗前单次移植组和阶段性移植组Wexner评分分别为17.32±2.66和16.25±2.47,GIQLI评分分别为81.84±8.73和83.25±7.87,每周自主排粪次数分别为(1.64±0.57)次和(1.42±0.65)次,差异均无统计学意义(均P>0.05).行FMT治疗后4、8和12周,单次移植组和阶段性移植组Wexner评分、GIQLI评分及每周自主排粪次数均较治疗前改善(均P=0.000).与治疗前相比,行FMT治疗后第4周,两组患者Wexner评分、GIQLI评分及每周自主排粪次数改善程度的差异无统计学意义(均P>0.05).但治疗后第8周和第12周,阶段性移植组改善程度均优于单次移植组,与治疗前比较的差值Wexner评分第8周时为7.29±2.05比5.96±2.30(t=2.135,P=0.038),第12周时为7.21±1.98比5.80±2.43(t=2.218,P=0.031);GIQLI评分第8周时为25.71±8.91比20.20±8.53(t=2.211,P=0.032),第12周时为24.16±8.99比18.92±8.28(t=2.127,P=0.039);每周自主排粪次数第8周时为(2.42±0.93)次比(1.72±0.61)次(t=3.110,P=0.003),第12周时为(1.37±0.88)次比(0.84±0.62)次(t=2.454,P=0.018).结论阶段性菌群移植治疗顽固性便秘疗效优于单次菌群移植.
更多Objective To evaluate the efficacy of periodic fecal microbiota transplantation (FMT) for refractory constipation. Methods Clinical data of 49 patients with refractory constipation undergoing FMT through standard transplantation path of nasojejunal tube between April 2015 and April 2016 in Intestinal Microenvironment Treatment Centre of Nanjing General Hospital were analyzed retrospectively. Of 49 patients, 25 received single FMT for only 6 days (single group), and 24 received periodic FMT with another 6 days FMT 1 month after the first 6 days FMT (periodic group). The follow up was at 12 weeks after treatment. Autonomous defecation frequency, Wexner constipation score, gastrointestinal quality of life index and related adverse reaction were evaluated and compared at 4-, 8-and 12-week after treatment. Statistical analysis was performed on the difference after treatment at each time point, and the greater difference indicated the better improvement. Results There were no statistically significant differences in general characteristics between the two groups (all P < 0.05). Before treatment, Wexner constipation score was 17.32 ± 2.66 and 16.25 ± 2.47, gastrointestinal quality of life index was 81.84 ± 8.73 and 83.25 ± 7.87, autonomous defecation frequency was (1.64 ± 0.57) time/week and (1.42± 0.65) time/week in single group and periodic group respectively, whose differences were not significant (all P>0.05). Compared with before FMT treatment, the autonomous defecation frequency, Wexner constipation score, gastrointestinal quality of life index were obviously improved at the 4-, 8-, 12-week ( all P=0.000). At the 4-week after FMT treatment, the improvement degree of autonomous defecation frequency, Wexner constipation score, gastrointestinal quality of life index was compared between two groups, and no statistically significant differences were found (all P>0.05). While at 8-week and 12-week after FMT treatment, as compared to single group, periodic group had greater Wexner constipation score (at 8-week:7.29 ± 2.05 vs. 5.96 ± 2.30, t=2.135, P=0.038; at 12-week: 7.21 ± 1.98 vs. 5.80 ± 2.43, t=2.218, P=0.031), greater gastrointestinal quality of life index (at 8-week: 25.71±8.91 vs. 20.20±8.53, t=2.211, P=0.032; at 12-week: 24.16 ± 8.99 vs. 18.92 ± 8.28, t = 2.127, P = 0.039) and better autonomous defecation frequency [at 8-week:(2.42±0.93) time/week vs. (1.72±0.61) time/week, t=3.110, P=0.003; at 12-week: (1.37±0.88) time/week vs. (0.84 ± 0.62) time/week, t=2.454,P = 0.018]. Conclusion Periodic FMT has better efficacy than single FMT in the treatment of refractory constipation.
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