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J Gastroenterology: 吸烟与溃疡性结肠炎风险之间的剂量-反应关系

2019-06-09 不详 MedSci原创

吸烟者患溃疡性结肠炎(UC)的风险是明显增高的。然而,根据吸烟量,吸烟行为对UC发生的影响仍然难以捉摸。我们的目的是确定吸烟行为与UC发展风险之间的关系。

背景
吸烟者患溃疡性结肠炎(UC)的风险是明显增高的。然而,根据吸烟量,吸烟行为对UC发生的影响仍然难以捉摸。我们的目的是确定吸烟行为与UC发展风险之间的关系。

方法
研究人员使用韩国的国家健康保险服务数据库进行了一项基于人群的回顾性队列研究。从2009年1月至2012年12月,共有23235,771名年龄超过18岁的人接受了全国健康检查,并随访至2016年。所有研究参与者分为以下3组:不吸烟者,前吸烟者和当前吸烟者。主要终点是UC的发生率。

结果
与不吸烟者相比,有吸烟史的患者UC的发生风险显着更高[校正风险比(aHR)1.83; 95%置信区间(CI)1.73-1.95]但在当前吸烟者中显着降低(aHR 0.92; 95%CI 0.87-0.98)。在当前吸烟者中,在基线评估后停止吸烟的个体患UC的风险显着高于继续吸烟者(aHR 2.42; 95%CI 2.10-2.80)。前吸烟者UC发展的风险与吸烟量和持续时间显着相关。然而,在目前的吸烟者中,UC发展的风险与累积终身吸烟暴露无关。目前吸烟对UC发展的预防作用仅在男性中观察到(aHR 0.90; 95%CI 0.84-0.96)。

结论
与非吸烟者相比,有吸烟史的患者的UC发展风险显着高于累积吸烟风险。

原始出处:

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    2019-11-26 许安
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    2019-08-20 nymo
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