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Hyun Seok Lee 3 Articles
Multicenter Study on the Clinician’s Diagnostic and Therapeutic Approaches for Benign Paroxysmal Positional Vertigo in Korea
Eun Ju Jeon, Won Ho Chung, Jeong Hwan Choi, Eui Cheol Nam, Hong Ju Park, Jong Dae Lee, Won Sang Lee, Kyu Sung Kim, Eui Kyung Goh, Ja Won Koo, Min Bum Kim, Min Beom Kim, Se Hyung Kim, Young Jin Kim, Chang Hee Kim, Sung Il Nam, Seog Kyun Mun, Ga Young Park, Sang Yoo Park, Shi Nae Park, Chang Hoon Bae, Sung Hyun Boo, Myung Whan Suh, Jae Hyun Seo, Eun Jin Son, Jae Jun Song, Jae Jin Song, Joong Wook Shin, Dae Bo Shim, Seong Ki Ahn, Hye Youn Youm, Shin Young Yoo, Dong Hee Lee, Seung Hwan Lee, Chang Ho Lee, Hyun Seok Lee, Hwan Ho Lee, Hyo Jeong Lee, Yun Hoon Choung, Seung Hyo Choi, Jee Sun Choi, Seok Min Hong, Sung Kwang Hong
Res Vestib Sci. 2013;12(3):79-92.
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  • 65 Download
AbstractAbstract
Background and Objectives: It is necessary to establish the most efficient diagnostic and therapeutic method for benign paroxysmal positional vertigo (BPPV), which is appropriate for Korean healthcare system. We aimed to evaluate current state of Korean clinician’s diagnostic and therapeutic approaches for BPPV. Materials and Methods: A 16-item survey was emailed to the members of dizziness department of Otology Research Interest Group in the Korean Otologic Society (n=68). 43 were returned and analyzed. Results: All respondents (100%) used Dix-Hallpike test as a diagnostic tool for vertical canal-BPPV. Supine roll test was used for diagnosing lateral canal BPPV in nearly all the respondents (97.7%). Epley maneuver was chosen as otolith repositioning maneuver (ORM) for posterior canal BPPV in all respondents and barbecue rotation (BBQ) was used for treating lateral canal BPPV with geotropic nystagmus in 95.3% of respondents. Extreme variation was noted for therapeutic approach of lateral canal BPPV with ageotropic nystagmus BBQ, with 4 kinds of ORM and adjunctive measures to liberate otolith from cupula, while BBQ was again the most commonly used ORM (76.7%). Conclusion: The development of practical and efficient ORM for lateral canal BPPV with ageotropic nystagmus is necessary.
Factors Affecting Treatment of Benign Paroxysmal Positional Vertigo
Yoon Kyoung So, Won Ho Chung, Sung Hyun Boo, Young Jun Chung, Hyun Seok Lee, Woo Young Lee, Ki Nam Park
J Korean Bal Soc. 2005;4(2):230-237.
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AbstractAbstract PDF
al vestibular loss, accompanying sudden SNHL, underlying disease such as hypertension or diabetes, change of involved canal during treatment course and number of treatment visits. Statistical analysis using Pearson χ2 test was performed.
Results
Three hundred thirty-one patients with BPPV who received treatment were identified from 2001 to 2005. 85.2% required one treatment visit, 12.4% required a second treatment visit, and 98.2% were successfully treated after three treatment visits. Variables such as bilateral disease, anterior canal BPPV, post-traumatic BPPV, duration of symptom before treatment and change of involved canal during treatment were significantly related with number of treatments.
Conclusion
Patients with anterior semicircular canal BPPV or bilateral BPPV or with recent head trauma or longer duration of symptom are more likely to require multiple visits for canalith repositioning.
The clinical characteristics of dizzy patients with normal vestibular function tests
Won Ho Chung, Eun Guk Bang, Sung Hwa Hong, Chi Kyou Lee, Hyun Seok Lee
J Korean Bal Soc. 2002;1(2):259-265.
  • 1,829 View
  • 10 Download
AbstractAbstract PDF
Background
and Objectives : Dizziness is a very common complaint in every day practice. The prevalence of dizziness ranges from 1.8 % in young adults to 30% in the elderly. The sensitivity of vestibular function tests is limited. It was reported that the sensitivity of electronystagmography for diagnosing peripheral vestibular disorders was variable, ranging from 46 to 74%. The objective of this study is to analyse the causes and clinical characteristics of dizzy patients who show normal vestibular function tests. Materials and methods : From January 1999 to June 2001, 375 dizzy patients with normal vestibular function tests(mean age, 49.7 years; range, 8 to 79 years) were assessed with the medical records and typed questionnaires about dizziness.
Results
: Dizzy patients with normal vestibular function tests were attributed to an unknown cause in 20.0% of patients, benign paroxysmal positional vertigo in 19.5%, migrainous dizziness in 11.7%, psychogenic dizziness in 10.4%, Meniere's disease in 9.6% and vertebrobasilar insufficiency in 7.2%.
Conclusion
: Dizzy patients with normal vestibular function tests can be evaluated by careful history taking and combined multidisciplinary approach with neurologist, psychiatrist and cardiologist and strict diagnostic criteria are necessary.

Res Vestib Sci : Research in Vestibular Science