Soung Hoon Chang

ORCID: 0000-0003-4575-1265
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About
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Research Areas
  • Occupational Health and Safety Research
  • Musculoskeletal pain and rehabilitation
  • Estrogen and related hormone effects
  • Heavy Metal Exposure and Toxicity
  • Human Health and Disease
  • Workplace Health and Well-being
  • Health and Wellbeing Research
  • Menopause: Health Impacts and Treatments
  • Ergonomics and Musculoskeletal Disorders
  • Ectopic Pregnancy Diagnosis and Management
  • Glutathione Transferases and Polymorphisms
  • Carcinogens and Genotoxicity Assessment
  • Health, Environment, Cognitive Aging
  • Ovarian cancer diagnosis and treatment
  • Immunotoxicology and immune responses
  • Mercury impact and mitigation studies
  • Marine and Coastal Research
  • Autophagy in Disease and Therapy
  • Tuberculosis Research and Epidemiology
  • Occupational and environmental lung diseases
  • Cancer Risks and Factors
  • Endometrial and Cervical Cancer Treatments
  • Healthcare Education and Workforce Issues
  • Biochemical effects in animals
  • Polyamine Metabolism and Applications

Konkuk University
2006-2018

CHA Bundang Medical Center
2011-2018

CHA University
2011-2018

Korea University
1989-2006

Seoul National University
2004

Inje University
2001

Yonsei University
1999

A Case Report and Review of the LiteratureGliofibroma is a rare astrocytic tumor, composed glial component ranging from benign to high grade malignancy consistently mesenchymal component.Its exact biological behavior not fully known.In addition, histogenesis prognostic factors are also still debatable.We herein present case gliofibroma in 25-yr-old male with seizure.A computed tomographic scan brain showed 1.5 cm-sized, enhancing mass calcification.Histologically, tumor consisted fibrillary...

10.3346/jkms.2003.18.4.483 article EN Journal of Korean Medical Science 2003-01-01

Combination therapy, which reduces the dosage intensity of individual drugs while increasing their efficacy, is not a novel approach for treatment cancer. Methylsulfonylmethane (MSM) an organic sulfur compound shown to act against tumor cells. Tamoxifen commercially available therapeutic agent breast malignancies.In current study, we analyzed combinatorial effect MSM and tamoxifen on suppression ER-positive cancer xenograft growth metastasis. Additionally, also validated molecular targets by...

10.1186/s12885-015-1445-0 article EN cc-by BMC Cancer 2015-06-18

Background This study was carried out to estimate the vaccination coverage, public perception, and preventive behaviors against pandemic influenza A (H1N1) understand motivation barriers between high-risk non–high-risk groups during outbreak of (H1N1). Methodology/Principal Findings cross-sectional nationwide telephone survey 1,650 community-dwelling Korean adults aged 19 years older conducted in later stage 2009–2010 outbreak. The questionnaire identified demographics, status participants...

10.1371/journal.pone.0064230 article EN cc-by PLoS ONE 2013-05-17

Background: The aim of this study was to investigate the role estrogen receptor 1 (ESR1) genetic polymorphisms for early menopause that classified as premature ovarian failure (POF) and (EM) examine whether associations ESR1 variants are different POF EM. Methods: We selected 100 cases matched EM 200 normal (NM) controls from Korean Multi-Center Cohort. Among them, we restricted idiopathic vs NM by excluding POF/EM with medical/surgical causes. XbaI (rs9340799) PvuII (rs2234693) in gene were...

10.1089/jwh.2008.1317 article EN Journal of Women s Health 2010-01-24

The purpose of this study is to present the information on duration treatment and cost work-related low back pain. Using compensation-database for 1997 pain (n=9,277), estimated treatment, pain, relationship between them, probability being off at different intervals. mean median are 252.6 days 175 days. total insurance benefit 37,700,000 won 14,400,000 won. 51% subjects was less than 6 months their accounted 10.2% benefit. who were treated more 24 5.8% but it 29.2% cost. It found that...

10.3346/jkms.2005.20.1.127 article EN Journal of Korean Medical Science 2005-01-01

This research was done to identify the hospital arrival rate and factors related prehospital delay in arriving at an emergency medical center within golden time after symptom onset patients with acute myocardial infarction (AMI).Data used from National Emergency Department Information System of Medical Center which reported that 2014, 9,611 went centers for infarction. Prehospital is analyzed by subdividing based on 2 hour.After infarction, 44.0%(4,233), were gender, age, region residence,...

10.4040/jkan.2016.46.6.804 article EN Journal of Korean Academy of Nursing 2016-01-01

N,N-dimethylformamide (DMF) is metabolized by the microsomal cytochrome p-450 into mainly N-hydroxymethyl- N-methylformamide (HMMF), which further breaks down to N-methyformamide (NMF). However, detailed mechanism of its toxicity remains unclear. We investigated metabolism and DMF using isolated perfused liver model. was added recirculating perfusate rat at concentrations 0, 10 25 mM. Samples were collected from inferior vena cava 30, 45, 60, 75, 90 minutes following addition DMF. The...

10.3349/ymj.2002.43.4.491 article EN Yonsei Medical Journal 2002-01-01

Objective: This study evaluated the relationship between injury occurrence and workplace organization in small-sized, manufacturing factories Korea. Methods: Using data from 2004 Occupational Safety Health Survey Korea, this compared organizational factors (general characteristics, employee characteristics health safety characteristics) with of 1,866 (65,921 population after weighting). General comprised location, type classification industry. Employee proportion manual workers female...

10.35371/kjoem.2006.18.2.73 article EN Korean Journal of Occupational and Environmental Medicine 2006-01-01

Background and PurposezzThe elderly population the prevalence of stroke, dementia, Parkinson's disease are increasing rapidly in Korea.The aim this study was to establish length stay (LOS) for neurological geriatric diseases, analyze parameteraccording healthcare institutions.MethodszzWe used data from Health Insurance Review Assessment Service 2003 2007.Nineteen diseases were classified into four groups: cerebral hemorrhage, infarction, disease.LOS analyzed according gender, age, insurance...

10.3988/jcn.2011.7.3.148 article EN cc-by-nc Journal of Clinical Neurology 2011-01-01

Korean regression models for spirometric reference values are different from those of Americans. Using spirometry results adults, goodness-of-fits the and USA Caucasian forced vital capacity (FVC) expiratory volume in one second (FEV(1)) were compared.The number study participants was 2,360 (1,124 males 1,236 females). Spirometry performed under guidelines American Thoracic Society European Respiratory Society. After excluding unsuitable participants, data 729 individuals (105 624 females)...

10.4046/trd.2012.72.3.302 article EN cc-by-nc Tuberculosis & respiratory diseases 2012-01-01

The main role of industrial accident compensation insurance is to protect injured workers and their families by providing various benefits. If a certain disease occurs due work, the worker must prove causal relationship between work disease, although it not easy for do so. epidemiological approach causality based on comparison incidence rate in exposed non-exposed groups. Recently, some arguments have been made regarding application litigation related tobacco environmental-related diseases....

10.5124/jkma.2018.61.8.466 article EN cc-by-nc Journal of Korean Medical Association 2018-01-01

10.1016/j.breastdis.2012.01.003 article EN Breast Diseases A Year Book Quarterly 2012-01-01

10.35371/kjoem.1995.7.2.295 article EN Korean Journal of Occupational and Environmental Medicine 1995-01-01

Objectives: The purpose of this study was to estimate the cost, with a focus on forecasting expenditure industrial accident compensation insurance, arising from workrelated cerebrovascular and cardiac disease. Methods: We used total 4,480 work-related disease data points, collected between 1995 2000, based year occurrence, which had been approved by insurance. Firstly, we calculated number cases per 100,000 workers benefiting insurance 2000. then forecasted numbers for period 2001 through...

10.35371/kjoem.2002.14.3.288 article EN Korean Journal of Occupational and Environmental Medicine 2002-01-01
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