Enteric Infections Are Common in Patients with Flares of Inflammatory Bowel Disease.

Enteric Infections Are Common in Patients with Flares of Inflammatory Bowel Disease.
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DOI:
10.1038/s41395-018-0211-8
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发表时间:
2018-10
期刊:
The American journal of gastroenterology
影响因子:
--
通讯作者:
Lebwohl B
Lebwohl B
中科院分区:
其他
文献类型:
--
作者:
Axelrad JE;Joelson A;Green PHR;Lawlor G;Lichtiger S;Cadwell K;Lebwohl B

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很少有研究探讨非艰难梭菌肠道感染在炎症性肠病 (IBD) 发作中的作用。我们的目的是调查 IBD 患者通过多重 PCR 粪便检测检测到的肠道感染。我们对 9403 名患者进行了横断面分析,这些患者在 2015 年 3 月至 2017 年 5 月期间接受了 13,231 次腹泻疾病期间胃肠道病原体 PCR 检测。我们的主要结果是是否存在感染。次要结局包括感染的内镜和组织学预测因子以及测试后的 IBD 结果。共有 277 名克罗恩病 (CD) 患者、300 名溃疡性结肠炎 (UC) 患者和 8826 名非 IBD 患者分别接受了 454 次、503 次和 12,275 次测试。与无 IBD 的患者相比,IBD 患者检测呈阳性的可能性较小(CD 18.1%,UC 16.1%,无 IBD 26.6%,p < 0.001)。与无 IBD 的患者相比,CD 的诺如病毒 (p = 0.05) 和弯曲杆菌 (p = 0.043) 的患病率较高,而 UC 的诺如病毒患病率较低 (p = 0.001),而弯曲杆菌 (p = 0.013)、邻单胞菌 (p = 0.049) 和大肠杆菌 (p < 0.001)。在 77 名接受内窥镜检查的患者中,没有出现阳性检测的主要内窥镜或组织学预测因子。检测结果呈阴性的患者更有可能升级 IBD 治疗 (p = 0.004)。肠道感染不会影响测试后的 IBD 结果(对数秩 0.224)。 17% 有症状的 IBD 患者发现非艰难梭菌肠道感染。内窥镜和组织学检查结果可能无法区分耀斑和感染。诺如病毒和大肠杆菌可能在 IBD 发作中发挥重要作用。
Few studies have examined the role of non-Clostridium difficile enteric infections in flares of inflammatory bowel disease (IBD). Our objective was to investigate enteric infection detected by multiplex PCR stool testing in patients with IBD. We performed a cross-sectional analysis of 9403 patients who underwent 13,231 stool tests with a gastrointestinal pathogen PCR panel during a diarrheal illness from March 2015 to May 2017. Our primary outcome was the presence of an infection. Secondary outcomes included endoscopic and histologic predictors of infection, and IBD outcomes following testing. A total of 277 patients with Crohn’s disease (CD), 300 patients with ulcerative colitis (UC), and 8826 patients without IBD underwent 454, 503, and 12,275 tests, respectively. Compared to patients without IBD, patients with IBD were less likely to test positive (CD 18.1%, UC 16.1%, no IBD 26.6%, p < 0.001). Compared to patients without IBD, CD had a higher prevalence of norovirus (p = 0.05) and Campylobacter (p = 0.043), whereas UC had a lower prevalence of norovirus (p = 0.001) and a higher prevalence of Campylobacter (p = 0.013), Plesiomonas (p = 0.049), and Escherichia coli species (p < 0.001). Of 77 patients who underwent endoscopy, there were no major endoscopic or histologic predictors of a positive test. Patients who tested negative were more likely to have IBD therapy escalated (p = 0.004). Enteric infection did not impact IBD outcomes following testing (log-rank 0.224). Non-Clostridium difficile enteric infections were identified in 17% of symptomatic patients with IBD. Endoscopic and histologic findings may not differentiate flare from infection. Norovirus and E.coli may play an important role in flare of IBD.
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