Vestibulocochlear Symptoms Caused by Vertebrobasilar Dolichoectasia

허진; Yun Jung Bae; 우현준; 박정현; Ja-Won Koo; 송재진

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자료유형: 학술저널

저자정보: 허진 Yun Jung Bae 우현준 박정현 Ja-Won Koo 송재진

저널정보: 대한이비인후과학회 Clinical and Experimental Otorhinolaryngology Clinical and Experimental Otorhinolaryngology 제13권 제2호

발행연도: 2020.1

수록면: 123 - 132 (10page)

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Objectives. Vertebrobasilar dolichoectasia (VBD), an elongation and distension of vertebrobasilar artery, may present with cranial nerve symptoms due to nerve root compression. The objectives of this study are to summarize vestibulocochlear manifestations in subjects with VBD through a case series and to discuss the needs of thorough oto-neurotologic evaluation in VBD subjects before selecting treatment modalities. Methods. Four VBD subjects with vestibulocochlear manifestations were reviewed retrospectively. VBD was confirmed by either brain or internal auditory canal magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA). Patient information, medical history, MRI/MRA findings, and audiometry or vestibular function tests were reviewed according to patient’s specific symptom. Results. Of the four subjects, three presented with ipsilesional sensorineural hearing loss (SNHL), three with paroxysmal recurrent vertigo, and two with typewriter tinnitus. The MRI/MRA of the four subjects revealed unilateral VBD with neurovascular compression of cisternal segment or the brainstem causing displacement, angulation, or deformity of the cranial nerve VII or VIII that corresponded to the symptoms. Conclusion. Vestibulocochlear symptoms such as SNHL, recurrent paroxysmal vertigo, or typewriter tinnitus can be precipitated from a neurovascular compression of the vestibulocochlear nerve by VBD. Because proper medical or surgical treatments may stop the disease progression or improve audio-vestibular symptoms in subjects with VBD, a high index of suspicion and meticulous radiologic evaluation are needed when vestibulocochlear symptoms are not otherwise explainable, and if VBD is confirmed to cause audiovestibular manifestation, a thorough oto-neurotologic evaluation should be performed before initial treatment.

참고문헌 (33)

참고문헌 신청

Wolters FJ / 2013 / Clinical course and treatment of vertebrobasilar dolichoectasia : a systematic review of the literature / Neurol Res 35(2):131~137

Lou M / 2010 / Vertebrobasilar dilatative arteriopathy(dolichoectasia) / Ann N Y Acad Sci 1184(1):121~133

Ikeda K / 2010 / Cardiovascular risk and neuroradiological profiles in asymptomatic vertebrobasilar dolichoectasia / Cerebrovasc Dis 30(1):23~28

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