500 Hz-tone Burst 자극음을 이용한 전정유발 근전위

장윤석; 이현직; 허승덕; 이태훈; 황찬호; 배우용; 안중기; 김재룡

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자료유형: 학술저널

저자정보: 장윤석 이현직 허승덕 이태훈 황찬호 배우용 안중기 김재룡

저널정보: 대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후과학회지 두경부외과학 제49권 제2호

발행연도: 2006.1

수록면: 143 - 147 (5page)

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Background and Objectives：Vestibular evoked myogenic potential (VEMP) is muscle reflex caused by surface electrodes following repeated high-intensity auditory stimulation. The current study attempted to determine whether VEMP can be consistently evoked from the sternocleidomastoid muscle (SCM) by the 100 dB air-conducted and 50 dB bone-conducted 500 Hz-tone burst. Subjects and Method：Air-conducted and bone-conducted VEMPs in response to 500 Hz-tone burst were recorded from the SCM of 13 normal volunteers. Subjects were seated on their chairs and made to hold their heads turned up as far as possible towards the side, contralateral to the stimulated ear voluntarily. Two different sound durations (rise/fall time=2 msec, plateau time=2 msec[2/2] and rise/fall time=5 msec, plateau time=5 msec[5/5]) were presented through a insertphone or bone vibrators. Latencies and amplitudes of p13 and n23 responses were measured. Results：All normal volunteers showed p13-n23 responses to 50 dB bone-conducted tone burst as well as to 100 dB air-conducted tone burst. The values of latency of p13 and n23 were the most reliable at 5/5 air-conducted in evaluation by coefficiency of variance. Mean p13 and N23 latencies by airconducted tone burst were significantly longer than those of bone-conducted. Mean p13-n23 amplitudes by air-conducted tone burst were significantly larger than those by bone-conducted at 2/2 sound duration. Conclusion：VEMP could be consis-tently evoked by the 100 dB air-conducted and 50 dB bone-conducted 500 Hz-tone burst, especially at 5/5 air-conducted. (Korean J Otolaryngol 2006;49:143-7)

#전정유발 근전위·500 Hz-tone burst·흉쇄유돌근. #Vestibular evoked myogenic potential·Tone burst·Sternocleidomastoid muscle.

참고문헌 (12)

참고문헌 신청

/ 1989 / Acoustic responses recorded from the saccularbundle on the eighth nerve of the guinea pig 37 : 123 ~ 7

/ 1994 / Myogenic potentials generatedby a click-evoked vestibulocollic reflex 57 : 190 ~ 7

/ 1997 / Click evoked myogenicpotentials in vestibulocolic reflex 40 : 537 ~ 544

/ 1999 / Short tone burst-evoked myogenicpotentials on the sternocleidomastoid muscle 125 : 660 ~ 664

/ 1999 / The effect of click repetition rate on vestibularevoked myogenic potential 119 : 29 ~ 32

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