血管迷走性暈厥(Vasovagal syncope,VVS)是指各種刺激通過(guò)迷走神經(jīng)介導(dǎo)反射,從而導(dǎo)致心動(dòng)過(guò)緩及內(nèi)臟和肌肉小血管擴(kuò)張,結(jié)果造成血壓降低、腦部缺血缺氧,表現(xiàn)為動(dòng)脈低血壓伴有短暫的意識(shí)喪失,無(wú)神經(jīng)定位體征的一種綜合征。迷走神經(jīng)張力病理性增高是VVS的發(fā)病基礎(chǔ)[1]。研究表明,暈厥可由心血管疾病、神經(jīng)系統(tǒng)疾病及代謝性疾病等引起,而血管迷走性暈厥是其最常見的原因,據(jù)統(tǒng)計(jì)約占急診暈厥患者的41%~66%,占兒童不明原因暈厥的80%,人群的20%~40%一生中曾發(fā)作過(guò)VVS[2,3]。此類暈厥在社區(qū)中發(fā)病率較高,但由于癥狀呈一過(guò)性,且有較強(qiáng)的不可預(yù)測(cè)性,需通過(guò)專業(yè)方法診斷,長(zhǎng)期以來(lái)并未受到重視。VVS發(fā)病急,預(yù)后與個(gè)體及環(huán)境因素密切相關(guān),若任由其發(fā)展而不加以治療,后果可能非常嚴(yán)重[4]。 一、VVS的傳統(tǒng)治療策略
二、VVS的心臟神經(jīng)靶向干預(yù)策略
三、VVS腎臟神經(jīng)干預(yù)策略
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來(lái)自: 曹娥江 > 《暈厥、心源性猝死與心肺復(fù)蘇》