Circulation:不考虑年龄诊治高血压“荒谬”,更佳成人血压水平应该这么算

2018-07-12 文韬 中国循环杂志

随年龄升高,血压升高。过去的教科书认为,血压升高是代偿机制。这一观点已经被摒弃,但对于老年人而言,如果把血压像年轻人一样来处理,风险无疑也会增加。

随年龄升高,血压升高。过去的教科书认为,血压升高是代偿机制。这一观点已经被摒弃,但对于老年人而言,如果把血压像年轻人一样来处理,风险无疑也会增加。

怎么认识这个问题?最近一期Circulation杂志刊登了Franz H. Messerli等关于年龄、高血压诊断和治疗的观点。

Messerli等认为,最近的指南在诊断高血压和确定高血压靶目标时,都忽视了年龄。AHA/ACC指南指出,30岁和80岁的老人应该具有相同的血压目标。

作者认为,2017年AHA/ACC指南不考虑年龄,建议将所有高血压患者的血压降低至<130/80 mmHg是荒谬的。而美国内科医师学会/美国家庭医师学会高血压指南,将年龄> 60岁的患者的血压水平降至<150/90 mm Hg也同样荒谬。

作者指出,高血压的诊断不仅是学术问题。AHA/ACC指南中,把一名血压为133/75 mm Hg的76岁老人诊为收缩期高血压。把健康人标记为患者是有代价的。

虽然SHEP、Syst-Eur、HYVET和SPRINT试验都发现,老年高血压降压有益处。但Lewington等的一项研究发现,但随着年龄增加,血压与心血管危险的相关性在下降。

年龄在40-49岁时,收缩压降低20 mmHg,心血管死亡风险下降超过2倍(卒中下降64%,缺血性心脏病下降51%,其他血管死亡下降57%)。

而年龄在80到89岁之间时,收缩压降低20mmHg,卒中和缺血性心脏病下降33%,其他血管死亡下降30%。

作者认为,与30-39岁的人相比,八十多岁的老人已经长时间暴露于高血压的之下,靶器官和血管的病理改变不太容易逆转,尽管血压可以降低,甚至降到正常,而心血管事件风险仍是增加的。

因此,老年人的高血压是一种复杂多样的病理状态。

对于一些老年人,尤其是单纯收缩性高血压和血管硬化的患者,把血压降低<130/80 mmHg比较困难。有些人当收缩压低于140 mmHg时,会出现头晕和认知功能下降。

作者建议了一个简单的根据年龄的最佳血压公式:最佳成人血压水平应该是(100+年龄/2)。

这相当于40岁患者为120 mmHg,60岁患者为130 mm Hg,80岁患者为140mmHg。

但作者也认为,这个公式并非基于临床研究,也是一个任意确定的,只是一个参考。

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    2018-07-13 Y—xianghai

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    2018-07-13 Y—xianghai

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    2018-07-13 Y—xianghai

    学习了长知识

    0

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    2018-07-13 Y—xianghai

    学习了长知识

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1984271, encodeId=2b1d19842e184, content=<a href='/topic/show?id=4af8889533b' target=_blank style='color:#2F92EE;'>#血压水平#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88953, encryptionId=4af8889533b, topicName=血压水平)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c9df476, createdName=fyxzlh, createdTime=Sat Jun 15 18:21:00 CST 2019, time=2019-06-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=331296, encodeId=c4243312963e, content=学习了长知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Fri Jul 13 10:50:50 CST 2018, time=2018-07-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=331295, encodeId=66df3312959f, content=学习了长知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Fri Jul 13 10:50:45 CST 2018, time=2018-07-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=331294, encodeId=54803312946d, content=学习了长知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Fri Jul 13 10:50:39 CST 2018, time=2018-07-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=331293, encodeId=f79733129359, content=学习了长知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Fri Jul 13 10:50:33 CST 2018, time=2018-07-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=331292, encodeId=de6c331292fa, content=学习了长知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Fri Jul 13 10:50:27 CST 2018, time=2018-07-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=331291, encodeId=edac33129172, content=学习了长知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=18, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Fri Jul 13 10:50:22 CST 2018, time=2018-07-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=331290, encodeId=accb331290ee, content=学习了长知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=18, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201006/4db877c2887649beb09cb5effd0b38c7/916f66edd48a4e77b20ebc3e14b6e45c.jpg, createdBy=141e1980133, createdName=Y—xianghai, createdTime=Fri Jul 13 10:50:13 CST 2018, time=2018-07-13, status=1, ipAttribution=)]
    2018-07-13 Y—xianghai

    学习了长知识

    0

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    2018-07-13 Y—xianghai

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