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每日排便多于5次和长期腹泻可增加胶原性结肠炎复发

2014-01-10 佚名 丁香园

胶原性结肠炎是炎症性肠病的一种类型,主要以反复发作的伴有腹痛的水样腹泻为特点,常常于夜间发生,如今胶原性结肠炎发病率日益增加,严重影响到人民生活质量。口服布地奈德已被证实是胶原性结肠炎的有效治疗方案,然而,在药物撤退后,症状极易复发,为了探究导致其复发的可能危险因素,来自德国汉堡消化病中心的Stephan Miehlke等人进行了一项研究,该结果在线发表在2013年11月7

胶原性结肠炎是炎症性肠病的一种类型,主要以反复发作的伴有腹痛的水样腹泻为特点,常常于夜间发生,如今胶原性结肠炎发病率日益增加,严重影响到人民生活质量。口服布地奈德已被证实是胶原性结肠炎的有效治疗方案,然而,在药物撤退后,症状极易复发,为了探究导致其复发的可能危险因素,来自德国汉堡消化病中心的Stephan Miehlke等人进行了一项研究,该结果在线发表在2013年11月7日的《炎症性肠病》杂志上。作者发现在基线水平时每日排便次数多于5次和长期腹泻(1年以上)的胶原性结肠炎病人更容易复发,而布地奈德维持疗法恰恰可以延迟复发,减少累积复发率,起到一定的保护作用。

该研究纳入了123个胶原性结肠炎病人,均来自4项随机对照试验,且均是在接受过布地奈德短期疗法(每日9mg,服用6周)后获得临床症状改善的病人,这其中有40名病人接受了短期疗法后的布地奈德维持治疗(每日6mg,继续服用6月),其余83名则没有继续维持疗法。

研究结果示最终复发率为61%,作者通过多变量分析,发现在起始基线水平每日排便次数多于5次(HR为3.95),长期即1年以上的腹泻(HR为1.77),及缺乏布地奈德维持疗法(HR为2.71)均能增加胶原性结肠炎的复发风险。且前两者均会使病人复发症状出现时间提早,但若采用布地奈德维持疗法,则可以延迟出现复发。

本项研究结果表明每日高频率排便,长期持续的腹泻会增加胶原性结肠炎复发风险,然而布地奈德维持疗法可以显著性地减少症状复发,这对于临床有极大的启示作用,它提供了一些线索来推断预测哪些胶原性结肠炎病人可能会出现复发,指示临床医生应当在初期采用布地奈德长期疗法;同时对于未来的临床试验也有指向性的作用,进一步细致深入地分析研究胶原性结肠炎可能的危险因素,以优化治疗方案。

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    2014-08-21 kkunny
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