A5058879165- Hearing, Cochlea, Tinnitus, Genetics
- Vestibular and auditory disorders
- Hearing Loss and Rehabilitation
- Ear Surgery and Otitis Media
- Sinusitis and nasal conditions
- Head and Neck Surgical Oncology
- Otolaryngology and Infectious Diseases
- Olfactory and Sensory Function Studies
- Facial Nerve Paralysis Treatment and Research
- Winter Sports Injuries and Performance
- Head and Neck Anomalies
- Urologic and reproductive health conditions
- Anesthesia and Neurotoxicity Research
- Pneumothorax, Barotrauma, Emphysema
- Pleural and Pulmonary Diseases
- Otitis Media and Relapsing Polychondritis
- Neuroscience of respiration and sleep
- Fetal and Pediatric Neurological Disorders
- Anesthesia and Sedative Agents
- Ear and Head Tumors
- Infectious Diseases and Tuberculosis
- Peripheral Neuropathies and Disorders
- Burn Injury Management and Outcomes
- Congenital Ear and Nasal Anomalies
- Respiratory and Cough-Related Research
National Police Hospital
2010-2020
Natus (United States)
2016
Ulsan College
2007-2009
Gangneung Asan Hospital
2008-2009
University of Ulsan
2007-2009
Asan Medical Center
2007
Ear surgery using mastoid drills can lead to noise-induced hearing loss (NIHL). We investigated whether inhaled anesthetics or pentobarbital could have protective effects on NIHL in mice.Mice were exposed broad band white noise for 3 h per day consecutive days, with without anesthesia, halothane, isoflurane, pentobarbital. The level of each mouse was analyzed before exposure, and 1 day, 1, 2, Wk, mo after exposure by measuring auditory brainstem response thresholds. At Wk the organ Corti...
Conclusion. The overall success rate of tympanoplasty, with or without mastoidectomy, in the treatment chronic pediatric otitis media, was high and did not depend on patient age, status contralateral ear, inclusion absence surgical method mastoidectomy (when this procedure employed). Tympanoplasty may be expected to improve hearing cases media accompanied by perforation, but cholesteatoma. Objectives. This study analyzed clinical features patents undergoing mastoidectomy. Follow-up data were...
We assessed the relationship between changes in corticosterone concentrations and hearing mice exposed to noise during light (inactive) dark (active) phases. Serum levels were measured before, 1, 3, 5, 7, 10 days after, exposure 8:00-11:00 h 15:00-18:00 h. significantly lower at than before after exposure. In addition, serum 11:00 18:00 Mice showed elevated threshold shifts did Endogenous concentration has a significant effect on Noise inactive phase of hypothalamic-pituitary-adrenal axis...
<b><i>Objectives:</i></b> Severe-to-profound sudden sensorineural hearing loss (SSNHL) has a poor prognosis. We aimed to compare the efficacy of simultaneous and sequential oral intratympanic steroids for this condition. <b><i>Methods:</i></b> Fifty patients with severe-to-profound SSNHL (>70 dB HL) were included from 7 centers. The group (27 patients) received steroid injections 2 weeks. (23 was treated weeks subsequent Pure-tone averages...
Background and Objectives：For abscesses in the head neck, traditional open surgical incision-and-drainage procedure may incur added morbidity result disfiguring scars.Therefore, a noninvasive alternative to drainage be quite beneficial.The purpose of this study was evaluate efficacy percutaneous ultrasonography-guided aspiration management selected neck abscesses.Subjects Method：Retrospective review done for 12 patients with unilocular or multilocular abscess sized 2 cm more greatest...
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Background and ObjectivesZZHump resection by osteotome or rasp is a commonly used surgical technique in hump correction. However, during this procedure, the structure of osseous-cartilaginous framework altered may lead to an open roof deformity dorsal irregularity. So we preserved as much possible, then augmented radix with silicone. We compared result that group. Subjects MethodZZWe retrospectively studied 21 patients who underwent rhinoplasty classified into two groups operation technique;...
Background and Objectives Patients with hearing loss tinnitus experience difficulty in engaging daily conversations. However, only few studies have examined how affects individual speech discrimination to comprehend speech. This study aimed analyze the correlation between frequency patients tinnitus.Subjects Method A total of 275 ears impairment were retrospectively analyzed via audiometry tinnitogram. The divided into three groups depending on their tinnitus. Average pure tone (PTA),...
Background and Objectives: There is a lack of data about police officers’s hearing thresholds in Korea. We evaluate audiometric study officers who visit national hospital to complain tinnitus or disturbance. Materials Methods: undertook retrospective using review medical records. divided 3 groups age (I: 31–40, II: 41–50, III: 51–59), determined the according frequency site each group. Results: The was significantly worse left side than right at 6 kHz group III (p<0.05). All showed...
서 론 음향외상은 폭발음과 같은 강력한 음에 단기간 노출된 후 일어나며 돌발성 감각신경성 난청으로 나타난다.이는 순간적인 폭발음의 음압이 고막 또는 이소골 등의 중이 구 조나 난원창막, 정원창막, Corti기 내이 구조물 에 기계적 손상을 초래함으로써 발생한다.청각기관에 손상 을 일으킬 가능성은 소음의 크기가 140 dBSPL보다 커질 때 급격히 증가한다고 알려져 있다. 1) 사격으로
Background and Objectives There is no clear standard for the difference in thresholds of auditory brainstem response (ABR) pure tone audiometry (PTA) when using ABR to evaluate reliability PTA. Therefore, we assessed PTA each frequency. Consequently, present here actual values between two tests that can be used as a reference clinic.Subjects Method We retrospectively results 129 ears. Ears which hearing frequency continuously declined were classified downward group. compared average...
Background and Objectives The diagnosis of hearing impairment is based on repeated audiometry, including pure tone audiometry (PTA), speech reception threshold test (SRT), discrimination (SDT). SDT results particularly show a wide discrepancy upon testing, while malingering suspected when having more than 12% difference between 3 individual results. Therefore, in this study, we compared the proportion found with that other audiometric tests analyzed characteristics group order to reevaluate...
서 론내이도에 생기는 종양 중 청신경초종이 가장 많고, 그 외 수 막종, 진주종 등이 비교적 흔히
서 론 코골이는 폐쇄성 수면무호흡증의 주된 증상으로 알려져 있으며 무호흡과 동반되지 않은 코골이도 흔하게 발견된다.실제로 임상에서 병원을 찾는 환자가 호소하는 증상은 대부 분 코골이와 관련된 것이며, 무호흡증이 있는 환자라고 하더 라도 실제로 불편감을 느끼는 무호흡보다는 코골이 가 흔하다
Hamartoma is non-neoplastic malformation of tissue characterized by an abnormal mixture tissues. It can occur in any area the body, especially lung, kidney, and intestine. Respiratory epithelial adenomatoid hamartoma (REAH) uncommon lesion nasal cavity. important to differentiate REAH from other neoplasm, including adenocarcinoma inverted papilloma because misdiagnosis lead aggressive surgery. We report a case septum diagnosed on histopathology. (J Clinical Otolaryngol 2014;25:236-239)
Conductive hearing loss due to ossicular dislocation and facial paralysis may happen after temporal bone fracture. Incus is the most common problem among osscicular dislocations We experienced a case of incus into mastoid cavity fracture, which has not been reported. For first time, we report rare with review literature. (J Clinical Otolaryngol 2010;21:103-106)