Heart:感染性心内膜炎的抗生素预防

2017-02-18 xing.T MedSci原创

由此可见,基于AP使用的证据较为有限,许多研究的异质性和方法学质量不佳。术后菌血症不是一个好的IE替代终点。考虑到一项随机试验逻辑上的挑战,高质量的病例-对照研究将有助于评估牙科手术再引起IE中的作用和AP的预防疗效。

预防性使用抗生素(AP)治疗来预防感染性心内膜炎(IE)存在争议。近年来,心脏病医生和牙科医生指南建议限制AP使用只允许高危人群使用(欧洲和美国)或对所有人都限制使用(在英国)。近日,在心脏病领域权威杂志Heart上发表了一篇荟萃分析文章,该荟萃分析旨在评价接受牙科治疗患者使用AP预防菌血症或IE的证据。

研究人员检索了MEDLINE、EMBASE、Cochrane图书馆和ISI Web of Science数据库,采用加强报告观察性研究流行病学标准和试验偏倚工具的Cochrane风险来评估纳入研究的方法学特征。两位评审者独立地确定研究的准入条件,评估纳入研究的方法,并提取数据。

研究人员确定了178个符合条件的研究,其中包括36篇综述。其中包括10个时间趋势研究,5个观察性研究和21个临床试验。所有确定的试验采用菌血症作为研究终点而不是IE,一个时间趋势研究表明全体AP限制可能与IE发病率不断上升相关,而相对AP限制的结果数据是相互矛盾的。对试验的荟萃分析表明AP可以有效降低菌血症的发生率(风险比为0.53,95%可信区间为0.49-0.57,P<0.01),但病例对照研究表明对IE疾病低风险患者这可能不会产生显著的保护作用。

由此可见,基于AP使用的证据较为有限,许多研究的异质性和方法学质量不佳。术后菌血症不是一个好的IE替代终点。考虑到一项随机试验逻辑上的挑战,高质量的病例-对照研究将有助于评估牙科手术再引起IE中的作用和AP的预防疗效。

原始出处:

Thomas J Cahill,et al. Antibiotic prophylaxis for infective endocarditis: a systematic review and meta-analysis. Heart. 2017. http://heart.bmj.com/content/early/2017/02/17/heartjnl-2015-309102

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    2017-02-20 zhaojie88
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    2017-02-20 slcumt
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    2017-02-18 tanxingdoctor

    学习了,谢谢啦!

    0

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