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本文对21例隐匿预激旁路(CAP)房室反复性心动过速(AVRT)频繁发作患者,分3组分别给予小剂量安搏律定、胺碘达隆、维拉帕米口服,并作了服药前及服药7～10天后的无创性电生理对照研究。3组病人服药后AVRT诱发率明显降低,诱发难度增大,诱发窗口时限显著变窄及/或诱发出的AVRT心率变慢或不能持续。文中讨论了药物疗效的机理,认为无创性电生理检查是治疗AVRT时筛选有效药物的简便易行的可靠手段。
In this paper, 21 patients with concealed pre-excitation shunt (CAP) frequent episodes of atrioventricular tachycardia (AVRT) were divided into three groups were given a small dose of ambroxidine, amiodarone, verapamil orally, and Before taking the medication and medication 7 to 10 days after noninvasive electrophysiological control study. The AVRT induction rate was significantly reduced, the difficulty of induction increased, the window of induced window narrowed significantly and / or the AVRT induced heart rate slowed down or could not be sustained. The paper discusses the mechanism of drug efficacy, that noninvasive electrophysiological examination is an easy and reliable method of screening effective drugs for the treatment of AVRT.