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孤立的解剖口腔与术后复发的长期风险更高,以及在患有克罗恩氏病的患者中与粘膜相关的微生物组合的差异性关系
Michiel Thomas Jan Bak1,2,3, Pablo Andres Olivera1,2, Cristian Hernandez-Rocha1,2
1Zane Cohen Centre for Digestive Diseases, Lunenfeld-Tanenbaum Research Institute, Sinai Health System, 60 Murray St, Toronto, ON M5T 3L9, Canada.
克罗恩氏病 (CD) 患者的隔离性静脉 (IAU) 经过大肠切除 (ICR) 后与更高的术后复发 (POR) 风险有关. 一种特定的肠道微生物群,包括Klebsiella,可能有助于IAU的发展.
科学领域:
- 胃肠病学 胃肠病学
- 微生物组研究的研究.
- 外科手术的结果
背景情况:
- 在克罗恩氏病 (CD) 中,经过大眼切除 (ICR) 后的隔离性 (IAU) 缺乏明确的临床相关性和机制理解.
- 评估IAU对手术后复发 (POR) 和健康的新末端大肠 (TI) 的CD患者的微生物群的影响至关重要.
研究的目的:
- 评价IAU与CD患者ICR后POR风险之间的关联.
- 为了分析患有或没有IAU的CD患者的粘膜相关微生物组组成.
主要方法:
- 在第一个术后胆固醇镜检查时,对接受ICR的CD患者进行前性研究,健康的新TI (SES-CD ≤2).
- 考克斯的比例危险模型来确定IAU与时间POR的关联.
- 16S rRNA基因测序粘膜相关微生物组从解剖体活检.
主要成果:
- 在60名患者中,45.0%的患者在第一次术后结肠直肠镜检查时有IAU.
- 在调整临床因素后,IAU与POR显著更高的风险 (aHR5.4,P<.001) 独立相关.
- 在阴道和结肠粘膜中Klebsiella的丰度增加与IAU有关 (q<0.05).
结论:
- 患有健康新型TI的CD患者的IAU是长期POR的重要危险因素.
- 一种独特的粘膜相关微生物组,特别是Klebsiella,与IAU有关,这表明它可能在病变发展中发挥作用.
- 需要在更大的队列和机制研究中进行进一步的研究来验证这些发现.
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