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우훈영,손정협,조경래,김희주,김진영 대한이비인후과학회 2008 대한이비인후과학회지 두경부외과학 Vol.51 No.10
Cholesteatoma in the normal hearing ear represents a surgical challenge. We aimed to identify the clinical features and surgical results of these patients. Subjects and Method:Sixty-three ears with cholesteatoma had preoperative pure-tone averages of less than 25 dB. Parameters for study were age, location of cholesteatoma, type of tympanoplasty, status of ossicles, and type of mastoidectomy. Postoperative audiogram was evaluated. Results:Hearing was preserved within 30 dB on air conduction audiometry in 60.3% on postoperative 2 months and in 60.5% on postoperative 6 months. The rate of hearing preservation was related to the location of cholesteatoma. Similar hearing outcomes resulted from the comparisions of adult versus children, intact versus reconstructed ossicular chains and open versus closed mastoidectomy. Conclusion:Preserving an intact ossicular chain and maintaining an intact canal wall did not have a significant effect on hearing preservation, but the location of cholesteatoma does. (Korean J Otorhinolaryngol-Head Neck Surg 2008;51:861-5)
우훈영,유영삼,최찬,손정협 대한이비인후과학회 2007 대한이비인후과학회지 두경부외과학 Vol.50 No.6
There are occasional complications after tympanostomy tube insertion due either to the operative procedure itself or to the anato-the development of cholesteatoma have all been attributed to the tympanostomy tubes. The development of a secondary cholesteatoma at the site of the tube placement Grommet cholesteatoma- is a very uncommon complication. We report one case of cholesteatoma asociated with tympanostomy tube insertion. (Korean J Otolaryngol 2007 ;50 :545-7)
인두편도 절제술을 전후한 Flowmeter로 측정한 비기도 저항 변화에 관한 연구
우훈영 인제대학교 1988 仁濟醫學 Vol.9 No.3
인두편도 비대에 의한 비기도 폐쇄는 많은 소아 이비인후과 질환을 유발한다. 본 연구는 Wright Mini Peak Expiratory Flow Meter를 이용하여 그동안 객관적 측정이 없었던 인두편도 비대증 환자의 수술 전, 후의 비기도 저항을 측정하였다. 20 T & A patients who were treated at the Department of Otorhinolaryngology, Inje Medical College. Seoul Paik Hospital were subjected to the study on the measurement of the nasal airway resistance by Wright Mini Peak Expiratory Flow Meter. Peak expiratory flow rates were measured before and after surgery. The results of the study are as follows, 1.Wright Mini Peak Expiratory Flow Meter was very effective to measure the nasal airway resistance, and it was simple and easy to use. 2.The change of B. I. between before and after surgery was statistically significant (p <0.01). 3.There was no significant difference in B. I. between 1 week after and 2 weeks after surgery. 4.There was no significant difference in B. I. between higher (>0.7) and lower<0.7) A/N Ratio group in adenoid hypertrophy patients.
전정신경염에서 소음자극에 의한 반대측 유발이음향방사의 억제
우훈영,손정협,유영삼,최정환 대한평형의학회 2011 Research in Vestibular Science Vol.10 No.1
The etiology of vestibular neuritis is unknown. Many investigators have suggested that this condition spares the inferior vestibular nerve system. However, others have reported that the lesion sometimes affects the inferior vestibular nerve system based on vestibular evoked myogenic potential. The function of the inferior vestibular nerve was studied in acute vestibular neuritis by monitoring medial olivocochlear bundle (MOCB) function. Under normal conditions, contralateral acoustic stimulation has inhibitory effects on ipsilateral otoacoustic emissions through the MOCB. Materials and Methods: Twenty patients that presented with dizziness and spontaneous nystagmus, and were confirmed to have acute vestibular neuritis by rotatory chair and caloric testing were enrolled in this study. We evaluated the evoked otoacoustic emissions with and without contralateral acoustic stimulation in both ears in all patients. The percent loss of normal inhibitory action on otoacoustic emissions was determined in the normal and affected ears. Results: All patients showed inhibitory effects in response to contralateral acoustic stimulation on evoked otoacoustic emissions in normal ears. Fifteen patients (75%) had an absence of contralateral suppression of otoacoustic emissions on the affected side. Conclusion: The findings of this study suggest the presence of dysfunction of the MOCB in patients with acute vestibular neuritis.
안면신경 마비, 돌발성 난청, 현훈만을 증상으로 하는 뇌간 경색 1예
우훈영,한동훈,조철규,최찬 대한이비인후과학회 2006 대한이비인후과학회지 두경부외과학 Vol.49 No.6
Isolated cranial nerve palsy without long tract signs such as contralateral hemiparesis, hemihypoesthesia and ataxia is often reportedas brainstem infarction. But most of them are accompanied by oculomotor or abducens nerve palsy. Isolated cranial nerve palsyinvolving the facial nerve and vestibulocochlear nerve is very rare in brainstem infarction. We report, with a review of literature,a case of right caudal pontine infarct on the dorsolateral portion of the middle cerebellar peduncle with isolated 7th and 8th cranialnerve palsies. (Korean J Otolaryngol 2006;49:655-9)
우훈영,김영기,정현수 대한후두음성언어의학회 1995 대한후두음성언어의학회지 Vol.6 No.1
Bilateral vocal cord palsy is uncommon but is serious because of airway obstruction. Treatments of bilateral vocal cord palsy are initially tracheotomy, vocal cord lateralization and vocal cord reinnervation. Recently, we experienced nerve-muscle pedicle reinnervation in 3 cases of bilateral vocal cord palsy, so reported it with a review of literature.