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Is tinnitus accompanied by hemifacial spasm in normal-hearing patients also a type of hyperactive neurovascular compression syndrome? : A magnetoencephalography study

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dc.contributor.author장원석-
dc.contributor.author장진우-
dc.contributor.author정현호-
dc.date.accessioned2014-12-18T09:48:22Z-
dc.date.available2014-12-18T09:48:22Z-
dc.date.issued2013-
dc.identifier.urihttps://ir.ymlib.yonsei.ac.kr/handle/22282913/88864-
dc.description.abstractBACKGROUND: Traditionally, tinnitus accompanied by hemifacial spasm has been considered a type of hyperactive neurovascular compression syndrome that is similar to hemifacial spasm alone because of the anatomically close relationship between the facial nerve and cochlear nerve as well as the hyperactive clinical nature. METHODS: Participants were 29 subjects who presented with hemifacial spasm and neuroradiological evidence of vascular compression of the cranial (facial/cochlear) nerve. We used magnetoencephalography (MEG) to estimate the activity of the cochlear nerve in patients with and without tinnitus on the ipsilateral side. We compared the difference in the latency and the ratio of the equivalent current dipole (ECD) strength between the ipsilateral and contralateral sides of the spasm and tinnitus. RESULTS: Cochlear nerve activity in patients with tinnitus was increased with a shorter latency (p = 0.016) and stronger ECD strength (p = 0.028) compared with patients without tinnitus. CONCLUSION: The MEG results from normal-hearing patients who had tinnitus accompanied by hemifacial spasm suggest that the hyperactivity of the auditory central nervous system may be a crucial pathophysiological factor in the generation of tinnitus in these patients. The neurovascular compression that causes sensory input from the pathologic facial nerve activity may contribute to this hyperactivity of the central auditory nervous system.-
dc.description.statementOfResponsibilityopen-
dc.relation.isPartOfBMC NEUROLOGY-
dc.rightsCC BY-NC-ND 2.0 KR-
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/2.0/kr/-
dc.subject.MESHAcoustic Stimulation-
dc.subject.MESHAdult-
dc.subject.MESHAged-
dc.subject.MESHElectroencephalography-
dc.subject.MESHEvoked Potentials, Auditory/physiology-
dc.subject.MESHFemale-
dc.subject.MESHFunctional Laterality/physiology-
dc.subject.MESHHemifacial Spasm/complications*-
dc.subject.MESHHumans-
dc.subject.MESHMagnetic Resonance Imaging-
dc.subject.MESHMagnetoencephalography*-
dc.subject.MESHMale-
dc.subject.MESHMiddle Aged-
dc.subject.MESHNerve Compression Syndromes/complications*-
dc.subject.MESHReaction Time/physiology-
dc.subject.MESHTinnitus/diagnosis*-
dc.subject.MESHTinnitus/etiology*-
dc.titleIs tinnitus accompanied by hemifacial spasm in normal-hearing patients also a type of hyperactive neurovascular compression syndrome? : A magnetoencephalography study-
dc.typeArticle-
dc.contributor.collegeCollege of Medicine (의과대학)-
dc.contributor.departmentDept. of Neurosurgery (신경외과학)-
dc.contributor.googleauthorWon Seok Chang-
dc.contributor.googleauthorBong Soo Kim-
dc.contributor.googleauthorJi Eun Lee-
dc.contributor.googleauthorHyun Ho Jung-
dc.contributor.googleauthorKiwoong Kim-
dc.contributor.googleauthorHyuk Chan Kwon-
dc.contributor.googleauthorYong Ho Lee-
dc.contributor.googleauthorJin Woo Chang-
dc.identifier.doi10.1186/1471-2377-13-42-
dc.admin.authorfalse-
dc.admin.mappingfalse-
dc.contributor.localIdA03484-
dc.contributor.localIdA03775-
dc.contributor.localIdA03454-
dc.relation.journalcodeJ00368-
dc.identifier.eissn1471-2377-
dc.identifier.pmid23651913-
dc.subject.keywordHemifacial spasm-
dc.subject.keywordMagnetoencephalography-
dc.subject.keywordPathophysiology-
dc.subject.keywordTinnitus-
dc.contributor.alternativeNameChang, Won Seok-
dc.contributor.alternativeNameChang, Jin Woo-
dc.contributor.alternativeNameJung, Hyun Ho-
dc.contributor.affiliatedAuthorChang, Jin Woo-
dc.contributor.affiliatedAuthorJung, Hyun Ho-
dc.contributor.affiliatedAuthorChang, Won Seok-
dc.rights.accessRightsfree-
dc.citation.volume13-
dc.citation.startPage42-
dc.identifier.bibliographicCitationBMC NEUROLOGY, Vol.13 : 42, 2013-
dc.identifier.rimsid33675-
dc.type.rimsART-
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers

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