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治疗高血压须走出哪些误区?
发布时间:2011-07-28      来源:人民日报

    高血压是最常见的慢性病。我国高血压人数已达2亿,其中约1.3亿人不知道自己有高血压。在7000万已知自己有高血压的人群中,3000万人从没有治疗。在接受治疗的4000万人中,75%血压没有达标。

    血压从115/75mmHg到185/115mmHg,每升高20/10mmHg,发生急性心梗、脑梗、脑出血等心、脑血管疾病的风险就增加一倍。我国每年约300万人死于心血管疾病,其中至少约一半死亡与高血压相关,可见高血压是真正的“罪魁祸首”,其“原罪”在于对心、脑、肾、血管等重要脏器的损害,长期高血压或血压急剧升高导致急性心肌梗死、心力衰竭、主动脉夹层动脉瘤、脑出血、脑梗死、肾功能衰竭等都很凶险。

    很多人认为自己没有头晕、头痛等症状,血压高了也没关系,这是一个误区。心脑血管是否长了血栓、是否破裂出血,感觉是靠不住的。许多人之所以血压高没感觉,原因在于:

    1.血压慢慢升高已经有一段时间了,感觉神经逐渐耐受了,就像“温水煮青蛙”。过程漫长,自己察觉不到。因此,中年以后开始监测血压是必要的。

    2.每个人疼痛的阈值不同,有的人“皮实”,有的人“娇气”,切不可依赖感觉。

    不吃药血压正常情况确实存在。那么,是高血压治好了吗?在高血压患者中,约不到5%是由于肾上腺肿瘤、肾病等疾病引起的,高血压只是这些疾病的表现之一,原发病治好之后(如切除肾上腺肿瘤等),高血压确实可能治愈,不用再吃药。那么,某些人在不吃药的情况下血压确实不再高了,这是为什么呢?可能有以下原因:

    1.最初没有严格按照诊断标准进行测量和判断,不是真正的高血压。

    2.高血压早期的时候,尤其是绝经期女性,可能表现为“阵发性血压高”,受情绪、生活方式、季节等影响。

    3.经过减肥、运动等生活方式调整,在一定时期之内可能不需服药。

    4.长期高血压已造成心力衰竭、脑梗塞等严重并发症,血压已经高不上去了。这是最严重的情况。

    高血压本身就依赖药物和保持健康的生活方式来治疗,如果血压能维持在正常水平,就可以预防心脑血管疾病的发生。所以,高血压患者依赖药物不是服药造成的,而是它本身的一个特点。吃降压药的目的,就是为了最大程度地避免心梗、脑出血、脑梗等疾病的发生,减少残疾和死亡。但是,不同人群的目标血压是有差异的。也许在几十年以后,人类会研制出基因治疗等办法根治高血压,但现在还只能靠每天服药来维持正常血压。

    (作者为卫生部中日友好医院心内科副主任医师 李菁)

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合理使用感冒药不会导致血压飙升  上一篇 |下一篇  控制高血压认准长效药

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