A5021882202- Hearing, Cochlea, Tinnitus, Genetics
- Vestibular and auditory disorders
- Ear Surgery and Otitis Media
- Cancer and Skin Lesions
- Hearing Loss and Rehabilitation
- Facial Nerve Paralysis Treatment and Research
- Cerebral Venous Sinus Thrombosis
- Ear and Head Tumors
- Ophthalmology and Eye Disorders
- Allergic Rhinitis and Sensitization
- Obstructive Sleep Apnea Research
- Head and Neck Surgical Oncology
- Asthma and respiratory diseases
- Olfactory and Sensory Function Studies
- Ion Channels and Receptors
- Dermatology and Skin Diseases
- Tumors and Oncological Cases
- Glaucoma and retinal disorders
- Herpesvirus Infections and Treatments
- Orthopedic Surgery and Rehabilitation
- Respiratory and Cough-Related Research
- Soft tissue tumor case studies
- Biochemical Analysis and Sensing Techniques
- Gastroesophageal reflux and treatments
- Reconstructive Facial Surgery Techniques
National Health Insurance Service Ilsan Hospital
2016-2025
National Health Insurance Service
2014-2024
Kyung Hee University
2022
Institute for Basic Science
2022
Weatherford College
2022
Advisory Board Company (United States)
2022
Kangdong Sacred Heart Hospital
2014
Hallym University
2014
Yonsei University
2007-2010
Coronavirus disease 2019 (COVID-19) spread rapidly and was declared a pandemic. In this situation, vaccination for COVID-19 is important has been prompted in many countries. Rare serious adverse events including Guillain-Barré syndrome, thrombosis with thrombocytopenia myocarditis after vaccinations have reported. Otolaryngologic were reported, several cases of sudden sensorineural hearing loss (SSNHL). We report three patients SSNHL within days consider an association between them. Although...
<b><i>Objective:</i></b> We investigated the risk of sudden sensorineural hearing loss (SSNHL) in patients with autoimmune diseases compared a control group population-based study using National Health Insurance Service Sample Cohort data from Korea. <b><i>Methods:</i></b>We enrolled autoimmune-disease who were ≥20 years age 2006 into group, and selected similar demographic characteristics. tracked 2 groups to 2015 proportions developed SSNHL....
Abstract The associations between hypertension, diabetes, and dyslipidemia with Bell’s palsy have been controversial only a few studies assessed risk factors for based on population-based data. aim of the present study was to evaluate whether sociodemographic such as sex, age, residence, household income, metabolic diseases were using National Health Insurance Service Sample Cohort data Korea. Patients who visited an outpatient clinic twice or more had one admission received steroid...
Allergic diseases occur frequently and reduce the quality of life in patients with allergies. Many studies have investigated pattern various allergic antigens; however, on general are insufficient. Sensitization allergens varies greatly depending race or region. This study aims to investigate sensitization common present Korea co-sensitization patterns among these allergens. We used data obtained from National Health Nutrition Examination Survey conducted 2019. Serum-specific immunoglobulin...
Epithelial sodium channels are expressed in cultured human endolymphatic sac (ES) epithelial (HESE) cells and channel (ENaC) expression is suppressed by interleukin 1beta.The ES part of the membranous labyrinth inner ear that plays an important role maintaining homeostasis fluid system. However, exact mechanism volume regulation not yet known.The specimens were harvested during acoustic neuroma surgery (n = 13) using translabyrinthine approach subcultured with high-epidermal growth factor...
A correlation between the harmful effects of air pollutants and atopic dermatitis has been reported. There are few studies on concentration heavy metals in indoor atmosphere symptoms dermatitis.Twenty-two homes children showing were enrolled, eighteen with similarly aged without or a history participated as control group. We measured concentrations various (particulate matter 10, carbon dioxide, monoxide, formaldehyde, nitrogen volatile organic compounds (VOCs), ozone, radon, bacterial...
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BACKGROUND: Several studies on seasonal variation in benign paroxysmal positional vertigo (BPPV) have been reported. However, the association between season and BPPV remains controversial; thus, further study is required. OBJECTIVE: We analyzed patients with to evaluate monthly variations. METHODS: Patients seen 2013 2017 were retrospectively enrolled this study. Differences among months seasons of visits analyzed. divided into two groups according age (65 years or older younger than 65...
Intratympanic membrane cholesteatoma presents as an asymptomatic, white, round mass on the tympanic membrane, and is usually detected incidentally in children.A 12-year-old Korean boy visited our otorhinolaryngology clinic for a whitish right membrane. He had history of traumatic perforation ear that occurred 1 year prior, which healed well with paper patch placement. The was completely removed under local anesthesia during surgery microscope. outer epithelial layer did not invade middle...
Abstract Objectives Comprehensive studies in which the seasonal variation peripheral vestibular disorders was evaluated using data from an entire population are insufficient. The based on Korean investigated present study. Methods Retrospective National Health Insurance Service of Korea 2008 to 2020 analyzed. Benign paroxysmal positional vertigo (BPPV), neuritis (VN), and Meniere's disease (MD) were defined diagnostic, treatment, or audiovestibular test codes. incidence for each disorder...
Seasonal variations in vestibular neuritis (VN) could support the etiology of viral infection. However, several recent studies revealed no significant seasonal VN. Further are necessary to determine We analyzed patients with VN evaluate monthly and variations. Patients who visited our otorhinolaryngology department or were referred from emergency between March 2014 February 2019 included retrospectively this study. Differences among months seasons visits analyzed. divided into 2 groups...
Metabolic syndrome (MetS) is an underlying cause of various diseases and strongly associated with mortality. In particular, it has been steadily increasing along changes in diet lifestyle habits. The close relationship between sleep apnea MetS well established. addition, these two share a common factor obesity have high prevalence among obese individuals. Nevertheless, the association can vary depending on factors, such as race sex, research relatively low rates East Asians lacking. This...
Results of several studies showed that blood lead concentration is positively associated with total immunoglobulin E (IgE) value. However, no study has investigated whether allergic sensitization could be responsible for the association between exposure and IgE value.We there was difference in value, depending on presence or absence Dermatophagoides farinae sensitization.We used data obtained from Korea National Health Nutrition Examination Survey. Serum levels heavy metals, such as mercury,...
Pendrin acts as a Cl-/HCO3- exchanger and is responsible for endolymphatic fluid volume pH homeostasis in human sac epithelial cells.The (ES) part of the membranous labyrinth inner ear that plays an important role maintaining system. However, exact mechanism regulation not fully understood yet. We aimed to demonstrate expression various anion exchangers (AEs), including pendrin, cultured (HESE) cells.Endolymphatic specimens were harvested during acoustic neuroma surgery (n = 24) using...
Seborrheic keratosis (SK) is a common, benign, cutaneous skin tumor of the elderly patients. It commonly observed in head, neck, trunk, and extremities except palms soles. Its occurrence auricle has been reported even more rarely than external auditory canal. We experienced rare SK that was completely removed did not recur.
The most common cause of positional vertigo is benign paroxysmal (BPPV).BPPV characterized by brief recurrent spells often brought about certain head position changes that occur when looking up, turning over in bed, or straightening up after bending over.Its diagnosis relies on a thorough history and physical examination, including Dix-Hallpike maneuver.BPPV usually resolves spontaneously, but treatment persistent cases with canalolith repositioning maneuvers exercise therapy has been...
Osteoma of the external auditory canal is a rare benign tumor with an estimated incidence 0.05% total otologic surgeries. In most cases, osteoma in does not cause symptoms because grows slowly and occlude ear canal. However, if mass to canal, several can occur, including conductive hearing loss, aural fullness, keratin debris accumulation. We present two cases this 23-year-old woman 19-year-old man. The was surgically excised at level peduncle under local anesthesia microscope assistance....
Abstract One of the key challenges to realize electrolysis seawater is develop highly active and stable electrocatalysts in oxygen evolution reaction (OER). This crucial even for development hydrogen (HER) using three‐electrode configuration because damaged surfaces counter electrodes (CEs), which exposed electrochemical oxidative environments often limit performance cathodes working (WEs) by lowering electrical conductivity poisoning surface electrocatalysts. Herein, we demonstrate use Ir x...