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Efficacy of Rotating Chair Test And Caloric Test For The Diagnosis of Acute Unilateral Vestibular Neuritis
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Heung Eog Cha, Chae Young Lim, Gyu Cheol Han, Chang Hyun Cho, Byung Ki Yoon, Min Kwan Baek, Ju Hyoung Lee
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J Korean Bal Soc. 2008;7(1):43-47.
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 Abstract
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- Background and Objectives: The acute unilateral vestibular neuritis is fairly a common disease and the precise diagnostic tool is needed for the selection of effective treatments. Therefore, we studied the clinical usefulness of the rotatory chair test and caloric test which have been commonly used in patient of acute unilateral vestibular neuritis.
Materials and Methods: One hundred and sixty four patients who were diagnosed with acute unilateral vestibular neuritis from August of 2004 to June of 2007 were included. Their medical records of the rotating chair test and caloric test were reviewed retrospectively to study the correlation of the two tests.
Results: Of 164 patients, 101 patients (61.6%) and 88 patients (53.7%) showed significant canal paresis (CP) and directional preponderance (DP) on the caloric tests that corresponded with the physical exam. 130 patients (79.3%) and 84 patients (51.2%) showed significant asymmetry and time constant (Tc) on the rotating chair test that corresponded with the predictive direction with spontaneous nystagmus.
Conclusions: For acute unilateral vestibular neuritis patients, the asymmetry of the rotatory chair test showed the highest correlation with clinical findings. But physical exam should be preceded because neither rotator chair test nor caloric test yields a specific correlation with the physical exam. Especially, single test only may too many false negative results. For these tests can reduce false positive cases of the physical exam and raise the specificity of the diagnosis, the planning of proper treatments should be followed thereafter.
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Dandy-Walker Syndrome Confused with Peripheral Vestibular Neuronitis
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Heung Eog Cha, Joo Hyun Jung, Jin Ho Yoon, Ju Hyoung Lee
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J Korean Bal Soc. 2007;6(1):57-59.
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Abstract
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- Dandy-Walker syndrome is congenital malformation characterized by cystic enlargement of the fourth ventricle and agenesis or hypogenesis of the cerebellar vermis. The major clinical symptoms of the disease are hydrocephalus, weakening of physical strenth and athletic abilities, macrocephaly, cerebellar disorders like ataxia, nystagmus and irritability, vomiting from IICP.
The syndrome usually occurs in early infancy and is barely diagnosed in adult. A fifty six aged female patient whose chief complaints were dizziness with right nystagmus and right hearing disturbance visited our outpatient clinic and showed ninety three/fifty six dB in right pure tone audiometry. So we prescribed PO medication on the assumption that she had right sudden sensoryneural hearing loss with vertigo, however left nystagmus was seen in her physical examination after discharge. We present this case that she was diagnosed as Dandy-Walker syndrome in brain MRI after all.
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KBS
