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Research in Vestibular Science > Accepted Articles
기저동맥 박리로 발생한 양측 돌발성난청 증례
Ho Byung Lee1, Jieun Roh2 , Hyun Min Lee1 , Jae-Hwan Choi3
1부산대학교 의과대학 이비인후과학교실, Yangsan, Korea
2부산대학교 의과대학 영상의학교실, Yangsan, Korea
3부산대학교 의과대학 신경과학교실, 양산부산대학교병원 신경과, Yangsan, Korea
Correspondence  Jae-Hwan Choi ,Tel: 055-360-2122, Fax: 055-360-2152, Email: rachelbolan@hanmail.net
Received: November 19, 2021;  Accepted: December 3, 2021.  Published online: December 3, 2021.
ABSTRACT
Bilateral sudden sensorineural hearing loss (SNHL) is rare, but a possible symptom of vertebrobasilar ischemia. A 69-year-old woman with hypertension and atrial fibrillation presented with bilateral sudden hearing loss and vertigo without other neurological symptoms. On examination, she had left-beating horizontal nystagmus with positive head impulse on the left side. Pure tone audiometry revealed severe SNHL on both sides. Brain computed tomography angiography (CT angiography) showed a dissection in the proximal portion of the basilar artery (BA) with occlusion of the mid-BA and bilateral anterior inferior cerebellar arteries (AICA), which confirmed on transfemoral cerebral angiography(TFCA). Left common carotid angiography demonstrated retrograde blood flow into the BA and right AICA via the left posterior communicating artery. During TFCA, her right hearing loss dramatically improved. Nine days later, follow-up TFCA showed an improvement of antegrade flow of the BA and AICA. We suggest that vertebrobasilar ischemia can be suspected in patients with bilateral sudden SNHL who present with risk factors for stroke.
Keywords: Hearing Loss, Sudden; Basilar Artery Dissection
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