推荐回答(2个)
1896年人类发明了台式血压计,由于医生出诊携带不方便,后来根据材料在弹性变形范围内,力与变形成正比的胡克定律发明了气压表式的血压计,就是过去我们常见的链接袖带的小圆表式的血压计。尽管测量的结果与台式血压计有5-10毫米汞柱的误差,但由于方便携带而被人们广泛的接受,尽管如此国际上仍规定测量人体血压以台式血压计为准。因此,我国在进行兵役体检,住院部、门诊部、急诊科医生对患者血压检测都采用的台式血压计。 随着科学技术的飞速发展,电子设备在医学领域的广泛应用给患者的治疗带来了极大的方便。上个世纪80年代为了了解手术中患者的血压情况,人们在心电图机的基础上研制了手提式血压、心电监护仪,这种仪器可以按时描记心电图的一个标准导联和自动检测血压。如果有必要只要手指一按血压监测键,袖带气囊还会自动充气、放气报告出患者的血压。当时这种进口设备价值是十几万。 1988年我院成立了高血压门诊,一天的门诊量近百人。为了实现血压的自动检测,我专门申请了一台这个仪器,但是很快就发现了电子血压计产品的弊端——测量血压不准确,随后就交回了该设备恢复了台式血压计的应用。上个世纪九十年代初国内进口了24小时血压监测仪,我们单位花了10万元买了一套两个记录盒的24小时血压监测仪,结果还是因为误差太大无法相信监测结果再次交还院里。 去年我到外省讲课,发现有许多社区门诊甚至教学医院的急诊科都安装了自动检测血压的设备。手臂往固定的袖带里面一放,另一只手按一下键就省了许多的麻烦。据说许多体检部门包括司机体检都用这种设备,我想毕竟已经过去了20多年,电子产品应该有长足的发展,我用台式血压计进行校对结果不容乐观。试想,用这样的血压计进行大批量人群体检、左右臂血压高低的筛选还是会节省时间的,但是在对每一个高血压患者进行用药指导、疗效判定时,我还是建议各地的医生遵照国际上以台式血压计为准的原则。几十年前国外的教科书就提出“测量血压本身也是治疗的过程”,而且,如果您有机会翻阅20年前对80万人群的中国《1991年高血压抽样调查手册》采用的美国明尼苏达大学血压检查方法培训一章,您就会知道监测一个人的血压是多么的不容易。如果现在将这种血压计放在门诊会出现多么大的药物治疗偏差,光图省事会给患者带来麻烦的。 关于家庭用的电子血压计确实方便,尤其是家庭应用的血压计可以省去挂号、排队测血压的过程,而且可以自己检测血压、脉搏而受到大家的喜爱。尤其是早些年发明的卡在手指、套在手腕的血压计方便至极,像大人的玩具,高血压患者在家中可以随时随地进行血压的测量。后来我们发现这些监测数据无法利用,只是将脉搏测准了。因此,上世纪末在北京召开的一次医学学术大会上高血压防治权威人士曾经宣布:因为传感系统不过关,所以,卡在手指、套在手腕的血压计一律淘汰。袖带式的可以用,但要经常校对。需要注意的是,用电子袖带式血压计检测的血压数据可能在正常测量的误差允许范围,一旦血压偏高的,误差会逐渐偏大,如果一个收缩压在250-260毫米汞柱的,可能会偏差20毫米汞柱以上。好在患者不是做科研项目,了解大概的血压水平自己也就满足了,但作为一名医生,无论医院大小,给患者看病还是应该沿用台式血压计,否则,不如把十几次的挂号费赞起来到药店买一个台式血压计,店员肯定会不厌其烦的把本事交给您,不管您有多笨,直到付款。
搜一下:电子血压计与台式血压计检测血压哪个更准确?
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