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J Korean Bal Soc > Volume 6(2); 2007 > Article
Journal of the Korean Balance Society 2007;6(2): 167-171.
현훈이 없는 일측성 만성중이염 환자에서 온도안진검사와 진동유발안진검사의 비교
안재윤, 박홍주, 신정은, 박가현, 정용수, 곽희붕, 이여진, 유진석
건국대학교 의학전문대학원 이비인후-두경부외과학교실
Comparison of Air Caloric Test and Vibration-Induced Nystagmus Test in Patients with Unilateral Chronic Otitis Media without Vertigo
Jae Yoon Ahn, Hong Ju Park, Jung Eun Shin, Ga Hyun Park, Yong Soo Jung, Hi Boong Kwak, Yeo Jin Lee, Jin Seok Yoo
Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea. hpark@kuh.ac.kr
Background and Objectives:   The aims of the study were to characterize the vibration-induced nystagmus (VIN) and air caloric test in patients with unilateral chronic otitis media, and to clarify the clinical availability of VIN by comparing the results of VIN test with those of air caloric test.
Materials and Methods:  
Nineteen patients with unilateral chronic otitis media who had had no vestibular symptoms in past history were investigated. Pure tone audiometry (PTA), air caloric, VIN and subjective visual vertical (SVV) tests were done and the results were analyzed to estimate the utility for investigating vestibular imbalance.
If we consider a patient with abnormal results from two or more tests as a patient with latent vestibular imbalance, because they had no previous vestibular symptoms, 3 patients was considered to have latent asymmetric vestibular function. False positive rate were 32% in air caloric test, 5% in VIN test and 0% in SVV test.
Our findings show that vestibular imbalance in patients with chronic otitis media should be determined through various tests and vibration-induced nystagmus test can be more useful than air caloric test in estimating the vestibular imbalance.
Keywords: Chronic otitis media; Caloric test; Vibration induced nystagmus; Subjective visual vertical
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