Research in Vestibular Science

Vestibular Function and Prognosis of Sudden Sensorineural Hearing Loss with Vertigo: Se A Lee, Hyo Jun Kim, Bo Gyung Kim, Jong Dae Lee; Res Vestib Sci. 2018;17(3):90-94. Published online September 18, 2018; DOI: https://doi.org/10.21790/rvs.2018.17.3.90

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Abstract PDF: Objectives
Vertigo combined with sudden sensorineural hearing loss (SSNHL) is known as a poor prognostic factor. We investigated clinical findings and vestibular function tests in patients of SSNHL with vertigo to find the prognostic factors.
Methods
We retrospectively evaluated data on the patients diagnosed with SSNHL with vertigo at Bucheon Soonchunhyang University Hospital from March 2009 to February 2018. We reviewed medical records and the results of vestibular function tests and audiometry.
Results
Of the 68 patients, 30 (44.1%) showed profound hearing loss and 53 (77.9%) showed poor recovery. Age and the degree of initial hearing loss showed negative prognostic factor in hearing recovery. Abnormal results of cervical vestibular evoked myogenic potentials (cVEMP) also showed significantly differences between good and poor recovery groups.
Conclusions
In this study, most of the patients of SSNHL with vertigo showed poor recovery. Age, degree of initial hearing loss, and the abnormal result of the cVEMP have a negative effect on the prognosis of hearing recovery.

A Case of Recurrent Vertigo in Vestibular Schwannoma Treated with Chemical Labyrinthectomy: Seung Jae Lee, Eun Sang Lee, Bo Gyung Kim, Jong Dae Lee; Res Vestib Sci. 2017;16(4):147-150. Published online December 15, 2017; DOI: https://doi.org/10.21790/rvs.2017.16.4.147

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1 Crossref

Vestibular schwannoma (VS) can have various symptoms and almost half of the patients have balance problems. Some patients with VS can suffer from recurrent vertigo mimicking Meniere’s disease. We present the case of a 61-year-old male patient who was suffering from recurrent vertigo due to VS while symptoms improved by chemical labyrinthectomy with gentamicin. We consider that chemical labyrinthectomy can be an option in the treatment of patients with recurrent vertigo for VS.

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Diagnosis and Management of Vestibular Schwannoma: Focus on Dizziness
Sung Il Nam
Research in Vestibular Science.2021; 20(4): 119. CrossRef

화학적 미로절제술로 치료한 전정신경초종에 의한 재발성 어지럼: Seung Jae Lee, Eun Sang Lee, Bo Gyung Kim, Jong Dae Lee; Received November 8, 2017 Accepted November 27, 2017 Published online November 27, 2017; [Accepted]

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Abstract: Vestibular schwannoma (VS) can have various symptoms and almost half of the patients have balance problems. Some patients with VS can suffer from recurrent vertigo mimicking Meniere’s disease. We present the case of a 61-year-old male patient who was suffering from recurrent vertigo due to VS while symptoms improved by chemical labyrinthectomy with gentamicin. We consider that chemical labyrinthectomy can be an option in the treatment of patients with recurrent vertigo for VS.

Multicenter Randomized Study on the Efficacy of Isosorbide in Patients with Mèniére's Disease: Hyun Woo Park, Won Ho Chung, Sung Huhn Kim, Kyu Sung Kim, Jong Woo Chung, Sung Won Chae, Ja Won Koo, Bo Gyung Kim, Eui Kyung Goh, Gyu Cheol Han; Res Vestib Sci. 2016;15(2):44-50. Published online June 15, 2016

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Abstract PDF: Objective: Mèniére's disease is one of the most common causes of episodic vestibular syndrome that shows symptom complexes of recurrent vertigo, hearing loss, tinnitus and ear fullness. Isosorbide (Isobide) is a osmotic diuretics which has been used for Meniere's disease to reduce the endolymphatic pressure. The purpose of this study was to evaluate the efficacy of isosorbide in the treatment of Mèniére's disease by comparing the combined therapy of isosorbide and betahistine (Meniace) to betahistine only.
Methods
Among 220 patients enrolled with Mèniére's disease from 9 centers, 187 patients completed this clinical study. Patients were randomly subjected either to betahistine alone therapy at dose of 6 mg three times a day (n=97) or to combined therapy with isosorbide (dose of 30 mL three times a day) and betahistine (n=90) for 12 weeks. Two groups were compared at 4 and 12 weeks after treatment on frequency of vertigo, hearing level (pure tone audiometry, speech audiometry), electocochleography (ECoG), tinnitus (Tinnitus Handicap Inventory, THI) and quality of life (Korean functional level scale, Korean dizziness handicap inventory).
Results
During first 4 weeks after treatment, the frequency of vertigo was not reduced in either betahistine alone therapy group or combined therapy group. However, between 8 and 12 weeks, the frequency of vertigo was significantly reduced in either group, and in the combined group frequency of vertigo was more significantly reduced than in the betahistine alone therapy group (p=0.041). The hearing level, ECoG, tinnitus and quality of life was not significantly different between two groups.
Conclusion
Isosorbide and betahistine combined therapy were more effective for vertigo control than betahistine alone therapy. Isosorbide is an effective diuretic in vertigo control in definite Mèniére's disease.

A Case of Cerebellar Arteriovenous Malformation with Positional Down Beat Nystagmus: Kong Geun Bae, Jeong Yeop Lee, Bo Gyung Kim, Jong Dae Lee; Res Vestib Sci. 2014;13(3):68-71.

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Abstract: Brain arteriovenous malformation (AVM) is an abnormal connection between arteries and veins, bypassing the capillary system in the central nervous system. The first symptom of AVM is intracranial hemorrhage, followed by headache and seizure. However, dizziness as a symptom of AVM is very rare. We report a 16-year-old female patient who presented with disequilibrium. She showed down-beating nystamgus on Dix-Hallpike test and falling tendency on Romberg test with eyes open. Magnetic resonance image showed cerebellar AVM.

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