大便移植可治疗溃疡性结肠炎

2016-05-25 MedSci MedSci原创

2016年5月21-24日在圣地亚哥举行的消化疾病周会议上提出,1/4的溃疡性结肠炎患者在没有使用类固醇的情况下,通过肠道组织愈合或接受粪便微生物群移植后病情大幅改善。 溃疡性结肠炎病因尚未完全阐明,主要是侵及结肠黏膜的慢性非特异性炎性疾病(IBD),常始自左半结肠,可向结肠近端乃至全结肠,以连续方式逐渐进展。临床症状轻重不一,可有缓解与发作相交替,患者可仅有结肠症状,也可伴发全身症状。症状包括直

2016年5月21-24日在圣地亚哥举行的消化疾病周会议上提出,1/4的溃疡性结肠炎患者在没有使用类固醇的情况下,通过肠道组织愈合或接受粪便微生物群移植后病情大幅改善。 


溃疡性结肠炎病因尚未完全阐明,主要是侵及结肠黏膜的慢性非特异性炎性疾病(IBD),常始自左半结肠,可向结肠近端乃至全结肠,以连续方式逐渐进展。临床症状轻重不一,可有缓解与发作相交替,患者可仅有结肠症状,也可伴发全身症状。症状包括直肠出血、腹痛和腹泻,类似于克罗恩病,但克罗恩病患者消化道任何一部位均可受累。 

CDC估计,美国民众患IBD的发生率为238/10万人。尽管溃疡性结肠炎病因尚未完全阐明,但有研究指出,肠道细菌在其中发挥着必不可少的重要作用。

粪便微生物群移植(FMT)包括将健康人肠道微生物群移植给肠道微生物群不平衡的患者肠道内。研究人员将植入物进行筛选、加工后通过结肠镜、内镜或灌肠等方式灌入患者体内以达到治疗的作用,使患者肠道微生物群恢复正常。 

澳大利亚新南威尔士大学胃肠病学家Sudarshan Paramsothy博士招募了81名来自三个不同地方的溃疡性结肠炎患者进行研究。患者随机分为2组,实验组患者接受FMT治疗(41人),对照组则采用安慰剂(40人),治疗手段为结肠镜,然后参与者每周使用5天灌肠剂,持续8周。

结果表明,在不使用类固醇的前提下,实验组中有11人(27%)症状消失,消化道功能明显改善。相比之下,对照组只有三人(8%)症状减轻或消失。 

Paramsothy博士指出,该研究是第一次全国范围性的研究,通过8周的FMT治疗后,40人的溃疡性结肠炎病情都有明显好转,这表明粪便微生物群移植是治疗溃疡性结肠炎的有效方法。既往研究是单中心实验,且参与患者数目较少,因此有时会出现自相矛盾的结果。这项研究的另一个重要特点是每位患者都至少接受3位捐赠者的粪便排泄物。 但研究人员担心会为患者带来感染的风险,因此他们表示仍需进行更进一步的探究。

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    2016-07-31 nymo
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    2016-08-20 doctorJiangchao

    继续学习

    0

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    2016-08-20 doctorJiangchao

    继续关注

    0

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    2016-06-05 1dd8c52fm63(暂无匿称)

    学习学习!

    0

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    2016-06-04 xiangwan

    原来听说过,研究很困难

    0

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