Clin Gastroenterol Hepatol:睡眠质量影响溃疡性结肠炎发病风险

2014-10-31 kingz1025 丁香园

睡眠不足现象在人群中非常普遍,而且与许多健康问题息息相关。已有报道指出,过短或过长的睡眠可能增加大肠癌的发病风险。另外,睡眠质量问题在炎症性肠病(IBD)患者中也很常见,并且会增加疾病复发的风险。 IBD的发病机制至今难以解释清楚,目前认为和遗传基因、肠道微环境以及环境因素有关。睡眠与IBD发病是否有关系呢?来自麻省总医院的Ananthakrishnan教授等进行了一项前瞻性队列研究,成果发表在

睡眠不足现象在人群中非常普遍,而且与许多健康问题息息相关。已有报道指出,过短或过长的睡眠可能增加大肠癌的发病风险。另外,睡眠质量问题在炎症性肠病(IBD)患者中也很常见,并且会增加疾病复发的风险。

IBD的发病机制至今难以解释清楚,目前认为和遗传基因、肠道微环境以及环境因素有关。睡眠与IBD发病是否有关系呢?来自麻省总医院的Ananthakrishnan教授等进行了一项前瞻性队列研究,成果发表在近期的CLIN GASTROENTEROL H杂志。该研究认为,睡眠质量是IBD影响发病风险的独立危险因素。

该研究选取的受试对象来自于美国的护士健康研究计划(NHS),NHS1始于1976年,NHS2始于1989年。研究者对受试者进行了两年一次的详细问卷调查和随访,失访率小于10%。

他们从受试者中找出了后来确诊为克罗恩病(CD)或溃疡性结肠炎(UC)的患者,并对睡眠时间和发病率之间的关系进行了探讨。

结果发现,151871位女性中共191例CD和230例UC。与平常每天睡7-8h的女性相比,平常每天睡<6h或>9h的女性患UC的风险更高。然而,睡眠时间与CD的发病率之间并没有显著联系。另外,并未发现夜班轮流的时间与IBD的发病率有关。

睡眠与免疫系统有一定的联系,睡眠受损会诱导炎症细胞释放炎症介质,从而诱发肠道的病理变化。然而过长的睡眠却也与IBD相关,对此合理的解释是长时间睡眠可能源于低质量睡眠或支离破碎的睡眠,这也会促使炎症环境的生成。

该研究的优势在于:1、样本量大,前瞻性,随访时间长。2、由专业的消化科医师诊断IBD,从而避免了功能性肠道疾患对实验的影响(因为后者也与睡眠相关)。3、受试者均为有医疗背景的护士,所以问卷调查的准确性高,随访率高。

不足之处:1、研究对象均为白人女性,无法代表所有性别和人种。2、睡眠时间全凭主观报告。3、一些症状可能也会影响到受试者的睡眠。4、该研究中IBD诊断的中位年龄大于预期。5、作为一项观察性研究,无法排除所有的潜在干扰因素。

综上所述,基于NHS的数据,每日睡眠<6h或>9h可能增加UC的发病风险。当然,未来还需更深入的研究去评估睡眠对于IBD发生与进展的影响。

原始出处

Ananthakrishnan AN1, Khalili H2, Konijeti GG2, Higuchi LM3, de Silva P4, Fuchs CS5, Richter JM2, Schernhammer ES6, Chan AT7.Sleep Duration Affects Risk for Ulcerative Colitis: A Prospective Cohort Study.Clin Gastroenterol Hepatol. 2014 Apr 26

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    2015-04-25 许安
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    2015-06-14 nymo
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    2014-11-02 gwc384

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