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Multicanal Benign Paroxysmal Positional Vertigo: Concurrent Bilateral Posterior Canalolithiasis and Unilateral Lateral Cupulolithiasis
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Seung Won Chung, Chang Hyun Cho, Gyu Cheol Han
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Res Vestib Sci. 2009;8(2):142-146.
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 Abstract
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- Multicanal BPPV (benign paroxysmal positional vertigo), especially BPPV affecting both labyrinths, is uncommon. A review of the literature revealed that the majority of reported cases of multiple BPPV either involved a combination of two different canals limited to one labyrinth or two different canals in both labyrinths, although one case of multicanal BPPV was reported to involve three canals bilaterally. Here, the authors report a case of bilateral posterior canalolithiasis and unilateral horizontal canal cupulolithiasis in a 54-year-old man, and include a review of the literature.
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Autoantibodies and Complements in Acute Peripheral Vestibulopathy
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Mi Joo Kim, Joo Hyun Jung, Chang Hyun Cho, Jung Ho Lee
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Res Vestib Sci. 2009;8(1):23-26.
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Abstract
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- Background and Objectives The etiology and pathophysiology of acute peripheral vestibulopathy are largely unknown. The purpose of this study is to evaluate the manifestation of the autoantibodies and complements in patients with acute peripheral vestibulopathy.
Materials and Methods We checked anti-ds-DNA, rheumatoid factor, anti phospholipid IgG and IgM, anti nuclear antibody (ANA), C3, C4 in 72 patients who were diagnosed as acute peripheral vestibulopathy on physical examination and the caloric test. The results of the patients with unilateral acute peripheral vestibulopathy were compared to those of the patients with bilateral acute peripheral vestibulopathy.
Results Twelve patients (16.6%) in anti-ds-DNA, 4 patients (5.5%) in C3, 10 patients (13.8%) in C4, 2 patients (2.7%) in anti-phospholipid IgG and 13 patients (18%) in antinuclear antibody (ANA) showed abnormal findings among patients with acute peripheral vestibulpahty. There was no difference in the manifestation of the autoantibodies and complements between the patients with unilateral and bilateral acute peripheral vestibulopathy.
Conclusion The autoimmune diseases may be one of etiologic factors in acute peripheral vestibulopathy.
Key Words: Autoantibodies; Vestibular Neuronitis; Complement System Proteins
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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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The Analysis of Post Traumatic Benign Paroxysmal Positional Vertigo
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Chang Hyun Cho, Dong Kyu Kim, Gyu Cheol Han, Eun Jeong Lee, Joo Hyun Woo, Ju Hyoung Lee
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J Korean Bal Soc. 2005;4(1):17-25.
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Abstract
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- Background
and Objectives :Benign paroxysmal positional vertigo (BPPV) has a lot of causes. Except idiopathic BPPV, the most common cause of BPPV was trauma. The aim of this study was to study its character, diagnosis, prognosis and treatment.
Materials and Method : We retrospectively collected the 14 patients by reviewing charts, analyzing vestibular function tests.
Results
: Post traumatic BPPV had characters different from idiopathic BPPV in patient' sex ratio and age distribution. The mean age of patients was 40 years old, men were 11 women were 3. In the mechanisms of trauma, traffic accidents were 11, assault was 1, and fall down were 2. In types, posterior semicircular canal were 10, horizontal semicircular canal were 4. In origins, cupulolithiasis were 8, canalolithiasis were 6. Treatment and prognosis were similar to those of idiopathic BPPV.
Conclusion
: But origin, diagnostic criteria, treatment and prognosis are identical with idiopathic BPPV. Therefore, in evaluating post traumatic BPPV patients, we need correct diagnosis and treatment together by history taking, physical examination and vestibular function tests. And by this, we can treat idiopathic BPPV accurately, reduce expense and time for patients to return daily life.
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The Design of Subjective Visual Vertical and Horizontal Measurement Method in Normal Peoples
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Gyu Cheol Han, Jong Su Ha, Sun Young Kim, Joo Hyoung Lee, Chang Hyun Cho, Dong Young Kim, Seon Tae Kim
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J Korean Bal Soc. 2004;3(2):395-403.
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Abstract
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- Background
and Objectives : Subjective visual vertical and horizontal presented as test that evaluate otolithic organ. However, was not discussed about condition that is factor influencing in examination or position at examination. Therefore, we wished to evaluate effect of subjective visual vertical and horizontal in each test condition and find repletion item.
Materials and Method : Measured subjective visual vertical and horizontal dividing by gender and three age group to 45 normal persons. Do so that there may be axis of rotation of 0.3×20 cm size candlepin on center of screen and lower part of screen to 18 inch LCD monitor at subjective visual vertical. Do so that may be center of screen and left middle at subjective visual horizontal and gave change length and axis of rotation of candlepin. Measured subjective visual vertical and horizontal each 3 times in standing, sitting, supine position in darkroom.
Results
: There are no statistical differences in each positions and distinction of gender and axis of rotation. But there are statistical differences in age groups.
Conclusion
: Difference in age groups means that examination method or control of number of test, preliminary
education of patients, assistance need rather than is caused change or abnormality of otolithic organ. Therefore, is
thought to be representative test that evaluate function of otolithic organ as clinical test.
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