目的：探讨耳蜗局灶性微循环障碍对耳蜗血流、听功能及耳蜗形态学的影响。
Objective: to investigate the effect of restricted cochlear microcirculation disorder on the cochlear blood flow, auditory function, and morphology.
结果在噪声刺激期腹膜内注射不同浓度普萘洛尔，对耳蜗血流和噪声暂时性阈移无影响。
Results The cochlear blood flow and noise-induced level of temporary threshold shift were not affected by different concentration of Propranolol during noise exposure.
结论交感颈上神经节切除对豚鼠耳蜗血流及听觉生理功能有一定的影响。
Conclusion the superior cervical sympathectomy can influence the cochlear blood flow and auditory function in guinea pig.
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