贵州医科大学学报

1997, (04)

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正常老年人房室传导功能无创性电生理研究
A Noninvasive Electrophysiologic Study on the Atrioventricular Conductive Function of the Normal Elderly

周元植,柯世蓉,李志敏,李金生
Zhou Yuanzhi,et alThe Affiliated Hospital of Guiyang Medical College

摘要(Abstract):

测定了20例老年人的房室传导功能(AVCF),并与20例非老年正常成人作了对比研究。结果表明:老年人在自主神经阻滞(ANB)后,房室传导系统(AVCS)有效不应期(ERP)及SR都显著长于对照组,文氏点、2∶1阻滞点显著小于对照组。且ANB后,对照组各参数均有显著变化,而老年组仅表现AVCSERP缩短,2∶1阻滞点增大。提示老年人AVCS的传导性和不应性都有生理退变,植物神经的调节反应也有迟钝退化。
The atrioventricular conductive function (AVCF) of the 20 elderly and 20 normal adults was compared.The results showed that:(1)After automatic nervous block (ANB) the atrioventricular conductive system (AVCS) effective refractory period (ERP) and SR duration (SR) were significantly longer,wenckebaches point and 2∶1 block poink were significantly less than that of the controled group.(2)After ANB all parameters of AVCF preseted significant change in controled group and only the change of AVCSERP and 2∶1 block point occured in the elderly.In conclusion,in the conductivity,refractoriness of AVCS and adjustable response of the automatic nerve of the elderly there are degeneration.

关键词(KeyWords): 食道心房调搏,房室传导,自主神经阻滞
transesophageal atrial pacing;atrioventricular conduction;automatic nervous block

Abstract:

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作者(Author): 周元植,柯世蓉,李志敏,李金生
Zhou Yuanzhi,et alThe Affiliated Hospital of Guiyang Medical College

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DOI: 10.19367/j.cnki.1000-2707.1997.04.009

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