Clin Gastroenterology H:微观结肠炎对于一般患者的死亡风险影响

2020-09-23 MedSci原创 MedSci原创

微观结肠炎是结肠的一种慢性炎症性肠病,表现为慢性的腹泻。它是老年人中水样腹泻的最常见原因之一。

         微观结肠炎是结肠的一种慢性炎症性肠病,表现为慢性的腹泻。它是老年人中水样腹泻的最常见原因之一。在瑞典,每115名女性中就有1名女性,每286名男性中就有1名男性会被诊断出患有微观结肠炎。早期研究表明,超过50%的患者需要接受类固醇治疗,并且很大一部分患者会经历频繁的复发,进而导致生活质量显着下降。尽管住院的风险很低,但在一项研究中,仍有多达10%的患者因严重腹泻而住院。随着疾病的发病率上升,尤其是在较体弱的老年人口中,此类疾病将对公共卫生产生重要影响,因此,本项研究旨在探究微观结肠炎患者的全因和特因死亡率。

 

         研究人员对1990年至2017年在瑞典诊断出的所有微观结肠炎(n = 14333)病例进行了全国性队列研究分析。并把每例微观结肠炎病例与5个健康人群进行匹配。死亡率数据由瑞典的死因登记簿确定。最后使用Cox比例风险模型来估计调整后的风险比(aHRs)和95%CI。

 

         截至2017年12月,研究人员总共确认了微观结肠炎患者有3014例死亡病例(27.4 / 1000人年),相匹配的健康人口有12534例死亡病例(23.3 / 1000人年)。这相当于10年绝对风险差异为3.4%(95%CI,2.1%–4.6%)。但是,对合并症负担模型的进一步调整降低了微观性结肠炎患者的相对死亡风险(aHR,0.98; 95%CI,0.94-1.02)。在针对特定原因的死亡分析中,微观结肠炎与胃肠道相关死亡(aHR,1.68; 95%CI,1.38–2.05)和感染相关死亡(aHR,1.42; 95%CI,1.11–1.83)相关,但与癌症相关的死亡(aHR,0.83; 95%CI,0.76-0.91)或与血管相关的死亡(aHR,1.02; 95%CI,0.96-1.10)无关。

 

 

         通过本项研究,我们发现患有微观结肠炎的患者死亡风险增加。但是,这种增加似乎与该人群中合并症的负担增加有关。

 

 

原始出处:

Hamed Khalili. Et al. Mortality of Patients With Microscopic Colitis in Sweden. Clinical Gastroenterology and Hepatology.2020.

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