Abstract
Objective: To estabilsh animal methods of bone-conducted vibration elicited cervical vestibular-evoked myogenic potentials (BCV-cVEMP) and ocular vestibular-evoked myogenic potentials (BCV-oVEMP) in healthy guinea pigs. Methods: Eleven healthy (250-350 g) and awake guinea pigs were selected and undertake conventional BCV-cVEMP and BCV-oVEMP examination in prone position. Parameters of waveforms were cauculated. Results: The BCV-cVEMP and BCV-oVEMP both could be elicited in 100% (22/22) in guinea pigs respectively, threshold was (85.5±10.8)dB SPL and (90.7±10.6)dB SPL for cVEMP and oVEMP; n1 latency was (4.5±1.3)ms and (4.3±1.5)ms for cVEMP and oVEMP; p1 latency was (5.8±1.4)ms and (5.6±1.7)ms respectively; n1-p1 interwave latency was (1.2±0.4)ms for cVEMP and (1.4±0.6)ms for oVEMP, amplitude was (21.5±17.3)μV and (24.0±16.3)μV respectively. Conclusion: Both BCV-cVEMP and BCV-oVEMP can be successfully elicited in healthy guinea pigs.
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Schedule a callMore From: Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery
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