CMAJ:大环内酯类抗生素是否增加心律失常风险?

2016-06-04 佚名 环球网

既往研究表明,大环内酯类如阿奇霉素、克拉霉素和红霉素会增加患者室性心律失常或严重心律不齐甚至死亡的风险。但发表在《CMAJ》的一项研究显示,老年患者使用大环内酯类抗生素并不会增加室性心律失常风险。临床药师对相关临床证据展开梳理和讨论。 多学科讨论: 1、2013年3月,美国食品和药品监督管理局(FDA)宣布,广泛应用抗生素阿奇霉素可能引起致命性心律失常,因此在使用该药时,需对患者进行仔细筛查。

既往研究表明,大环内酯类如阿奇霉素、克拉霉素和红霉素会增加患者室性心律失常或严重心律不齐甚至死亡的风险。但发表在《CMAJ》的一项研究显示,老年患者使用大环内酯类抗生素并不会增加室性心律失常风险。临床药师对相关临床证据展开梳理和讨论。

多学科讨论:

1、2013年3月,美国食品和药品监督管理局(FDA)宣布,广泛应用抗生素阿奇霉素可能引起致命性心律失常,因此在使用该药时,需对患者进行仔细筛查。大环内酯类抗生素可导致心电活动的异常改变,延长QT间期并诱发尖端扭转型室速。FDA指出,具有阿奇霉素致心律失常风险的患者有:已存在QT间期延长、低血钾、低血镁和心率异常减慢,或服用抗心律失常药物的患者。老年患者和心脏病患者也可能更容易出现阿奇霉素致心律失常的不良反应。

2、2014年8月,发表在《BMJ》的一项基于人群的丹麦研究显示,相同感染的患者使用克林霉素治疗期间与青霉素V相比心脏性死亡风险增加,特别是女性患者。每100万使用克林霉素治疗的患者发生心脏性死亡的病例多出37例(95% CI 4~90)。

3、2015年11月,发表在《J Am Coll Cardiol》的一项荟萃分析表明,大环内酯类抗生素增加心脏性猝死或室性快速型心律失常和心血管死亡风险,但不增加全因死亡率。

4、该项研究的结果显示,在老年人中,与非大环内酯类抗生素相比较,大环内酯类抗生素不增加30天室性心律失常风险。

这些研究结果应被谨慎解释,医生在处方大环内酯类抗生素或其他抗生素之前始终应该慎重考虑患者面临不良事件的基线风险。

大环内酯类抗生素是否增加老年患者室性心律失常风险?

许多呼吸道感染应用大环内酯类抗生素治疗。监管机构警告这些抗生素增加室性心律失常的风险。研究人员旨在调查与非大环内酯类抗生素相比,大环内酯类抗生素的30天室性心律失常和全因死亡率风险。

研究人员进行了一项基于人群的回顾性队列研究,纳入2002~2013年安大略新处方口服大环内酯类抗生素(阿奇霉素、克拉霉素或红霉素)的老年患者(年龄>65岁)。

主要结局指标为新处方大环内酯类抗生素药物后30天内由于室性心律失常入院;次要结局指标为30天全因死亡率。研究人员使用倾向评分按1:1的比例匹配处方非大环内酯类抗生素(阿莫西林、头孢呋辛或左氧氟沙星)的患者。研究人员使用条件logistic回归测量大环内酯类抗生素暴露和结局的相关性,并在以下四个亚组分析中重复上述分析:慢性肾病/非慢性肾病;充血性心力衰竭/非充血性心力衰竭;冠状动脉疾病/非冠状动脉疾病;合并使用延长QT间隔药物/非合并使用延长QT间隔药物。

与非大环内酯类抗生素相比,大环内酯类抗生素不增加室性心律失常风险(0.03% vs 0.03%;相对风险[RR]1.06,95%置信区间[CI] 0.83~1.36),同时降低全因死亡率风险(0.62% vs 0.76%;RR 0.82,95%CI 0.78~0.86)。在亚组分析中,会得到相似的结果。

结论:在老年人中,与非大环内酯类抗生素相比较,大环内酯类抗生素不增加30天室性心律失常风险。这些调查结果表明,当前来自美国FDA对大环内酯类抗生素的警告也许有些夸大。

原始出处

Trac MH1, McArthur E1, Jandoc R1, Dixon SN1, Nash DM1, Hackam DG1, Garg AX2.Macrolide antibiotics and the risk of ventricular arrhythmia in older adults.CMAJ. 2016 Apr 19;

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1490183, encodeId=4d2e149018378, content=<a href='/topic/show?id=7eb443e785c' target=_blank style='color:#2F92EE;'>#大环内酯类#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43778, encryptionId=7eb443e785c, topicName=大环内酯类)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=061a8702275, createdName=一闲, createdTime=Mon Jun 06 13:30:00 CST 2016, time=2016-06-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88787, encodeId=043788e8709, content=很好文章, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7cde98330, createdName=milkshark, createdTime=Mon Jun 06 07:14:00 CST 2016, time=2016-06-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88786, encodeId=7b4c88e86e7, content=已经拜读, beContent=null, objectType=article, channel=null, level=null, likeNumber=118, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7cde98330, createdName=milkshark, createdTime=Mon Jun 06 07:13:00 CST 2016, time=2016-06-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88611, encodeId=af058861166, content=不错的文章,多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=142, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=53751677671, createdName=沉心多思, createdTime=Sun Jun 05 21:06:00 CST 2016, time=2016-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88483, encodeId=f44e88483bd, content=不错的文章,多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=110, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=53751677671, createdName=沉心多思, createdTime=Sun Jun 05 14:40:00 CST 2016, time=2016-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88474, encodeId=dcf5884e478, content=慎言语慎行, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=45101626056, createdName=忠诚向上, createdTime=Sun Jun 05 11:59:00 CST 2016, time=2016-06-05, status=1, ipAttribution=)]
    2016-06-06 milkshark

    很好文章

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1490183, encodeId=4d2e149018378, content=<a href='/topic/show?id=7eb443e785c' target=_blank style='color:#2F92EE;'>#大环内酯类#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43778, encryptionId=7eb443e785c, topicName=大环内酯类)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=061a8702275, createdName=一闲, createdTime=Mon Jun 06 13:30:00 CST 2016, time=2016-06-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88787, encodeId=043788e8709, content=很好文章, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7cde98330, createdName=milkshark, createdTime=Mon Jun 06 07:14:00 CST 2016, time=2016-06-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88786, encodeId=7b4c88e86e7, content=已经拜读, beContent=null, objectType=article, channel=null, level=null, likeNumber=118, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7cde98330, createdName=milkshark, createdTime=Mon Jun 06 07:13:00 CST 2016, time=2016-06-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88611, encodeId=af058861166, content=不错的文章,多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=142, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=53751677671, createdName=沉心多思, createdTime=Sun Jun 05 21:06:00 CST 2016, time=2016-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88483, encodeId=f44e88483bd, content=不错的文章,多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=110, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=53751677671, createdName=沉心多思, createdTime=Sun Jun 05 14:40:00 CST 2016, time=2016-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=88474, encodeId=dcf5884e478, content=慎言语慎行, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=45101626056, createdName=忠诚向上, createdTime=Sun Jun 05 11:59:00 CST 2016, time=2016-06-05, status=1, ipAttribution=)]
    2016-06-06 milkshark

    已经拜读

    0

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    2016-06-05 沉心多思

    不错的文章,多学习

    0

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    2016-06-05 沉心多思

    不错的文章,多学习

    0

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    2016-06-05 忠诚向上

    慎言语慎行

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