Explore of peak latency of direct cochlear never action potential in rabbet with internal auditory ar-tery vasospasm causing ischemia
- VernacularTitle:兔内听动脉痉挛缺血时蜗神经直接动作电位潜伏期变化的实验观察
- Author:
Xiangping CHEN
- Publication Type:Journal Article
- Keywords:
Rabbit;
Internal auditory artery;
Ischemia;
Auditory brainstem responce;
Direct co-chlear never action potential ( DCNAP)
- From:
Journal of Chinese Physician
2010;(z1):22-24
- CountryChina
- Language:Chinese
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Abstract:
Objective To Explore of peak latency of direct cochlear never action potential in rabbet with internal auditory artery vasospasm causing ischemia .Methods Twenty rabbits, 10 each group, re-spectively group with phenylephrine ( test group ) , group with physiological saline solution ( control group );On different period of time(0,the 30th,the 60th,the 90th and the 120th minute) took record of direct co-chlear never action potential ( DCNAP) latency.Results Successfully built an animal experiment model of internal auditory artery vasospasm .The group 1 had huge difference with the group 2 ( P <0.05 ) .The group 1 had huge difference with control group ( P <0.05 ) .The group 2 had no obvious difference with control group ( P >0.05 ) .Conclusion Internal auditory artery vasospasm causes hearing loss .Topically use papaverine will cause certain extent protection on hearing .
