血管扩张剂在耳鼻咽喉科临床的特殊应用概述如下。一、盐酸倍他啶(培它组啶):本药为一种拟组织胺样效用的血管扩张剂。有周围血管扩张作用,特别是扩张脑血管,增加脑血流量,并能松弛内耳毛细血管前括约肌,故对椎—基底动脉系统及内耳作用较强。Suga等认为,本药可增加耳蜗血流量,所以可用于内耳眩晕症、脑动脉硬化及脑供血不足所引起的眩晕、头晕、呕 The special application of vasodilators in otolaryngology clinical is summarized below. First, Betal hydrochloride (Pei group of its pyridine): This drug is a proposed histamine-like effect of vasodilators. With peripheral vasodilatation, especially the expansion of cerebrovascular, increased cerebral blood flow, and relaxation of the pre-sphincter of the inner ear, so the role of vertebrobasilar artery and the inner ear stronger. Suga so that the drug can increase cochlear blood flow, it can be used for vertigo, cerebral arteriosclerosis and cerebral insufficiency caused by dizziness, dizziness, vomiting