结肠癌患者术前肠道菌群特征与术后腹泻的关系研究

被引:8
作者
张巍远
王玉柳明
张宇坤
王贵玉
机构
[1] 哈尔滨医科大学附属第二医院结直肠肿瘤外科
关键词
结肠癌; 肠道菌群; 术后腹泻;
D O I
10.19668/j.cnki.issn1674-0491.2020.03.021
中图分类号
R735.35 [];
学科分类号
摘要
目的探讨结肠癌患者术后发生腹泻与术前肠道菌群特征是否有关。方法根据术后腹泻发生情况,按1:1经倾向值匹配后,共纳入2018年7月至2019年1月于本科室接受结肠癌根治术的38例患者作为研究对象,分为腹泻组与对照组。采集符合入组标准的粪便样本,运用微生物16S r RNA第二代高通量测序技术与生物信息学、统计学分析的方法,对比两组患者术前肠道菌群特征的异同。结果相似性分析(ANOSIM分析)结果 R值为0.52、P值为0.001,两组组内距离值小于组间距离值。细菌"门"水平对比,疣状菌门(Verrucomicrobia)在腹泻组中丰度增多(P<0.05),拟杆菌门(Bacteroidetes)与柔膜菌门(Tenericutes)的丰度在两组间也有差异(均P<0.05);细菌"属"水平对比,肠球菌属(Enterococcus)在腹泻组中丰度增多(P<0.05),普雷沃菌属(Prevotella9)与直肠真菌(Eubactaerium rectale)的丰度在两组间也有差异(均P<0.05)。Alpha多样性分析显示,两组丰度及物种多样性存在差异(P<0.01);Beta多样性分析的PCo A分析显示,两组样本主成分存在差异(P<0.01)。结论结肠癌术后发生腹泻患者与未发生腹泻患者的术前肠道菌群特征存在差异,疣状菌门与肠球菌属增多可能是导致术后腹泻的原因。
引用
收藏
页码:337 / 341
页数:5
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