Yong Hwan Kim

ORCID: 0000-0003-3308-0177
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About
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Research Areas
  • Congenital Diaphragmatic Hernia Studies
  • Tracheal and airway disorders
  • Trauma Management and Diagnosis
  • Parkinson's Disease Mechanisms and Treatments
  • Neuroscience and Neural Engineering
  • Body Composition Measurement Techniques
  • Shoulder Injury and Treatment
  • Cardiac Structural Anomalies and Repair
  • Neurological disorders and treatments
  • Nutrition and Health in Aging
  • Myasthenia Gravis and Thymoma
  • Ginkgo biloba and Cashew Applications
  • Pluripotent Stem Cells Research
  • Shoulder and Clavicle Injuries
  • Case Reports on Hematomas
  • Soft tissue tumor case studies
  • Orthopedic Surgery and Rehabilitation
  • Cardiac tumors and thrombi
  • Mesenchymal stem cell research
  • Neuroblastoma Research and Treatments
  • Vascular Malformations Diagnosis and Treatment
  • Pericarditis and Cardiac Tamponade
  • Head and Neck Anomalies
  • Pancreatic function and diabetes
  • Acute Kidney Injury Research

Chungnam National University Hospital
2024

Sungkyunkwan University
2023

Samsung (South Korea)
2023

Jeonbuk National University
2022

Cheongju University
2021

Gangneung–Wonju National University
2019-2020

Uijeongbu St. Mary's Hospital
2008-2018

Catholic University of Korea
2000-2018

University of Ulsan
2018

Asan Medical Center
2016-2018

BACKGROUND: The inhibition of neuronal activity by electrical deep brain stimulation is one the mechanisms explaining therapeutic effects in patients with Parkinson disease (PD) but cannot specifically activate or inactivate different types neurons. Recently, a new technology based on optogenetics has been developed to modulate specific However, optical inactivation subthalamic nucleus (STN) have not fully investigated. OBJECTIVE: To perform various behavioral tests evaluate changes motor...

10.1227/neu.0000000000000297 article EN Neurosurgery 2014-01-24

Purpose To evaluate the therapeutic effect of human embryonic stem cell (hESC)-derived multipotent mesenchymal cells (M-MSCs) on ketamine-induced cystitis (KC) in rats. Methods induce KC, 10-week-old female rats were injected with 25-mg/kg ketamine hydrochloride twice weekly for 12 weeks. In sham group, phosphate buffered saline (PBS) was instead ketamine. One week after final injection ketamine, indicated doses (0.25, 0.5, and 1×106 cells) M-MSCs (KC+M-MSC group) or PBS vehicle (KC directly...

10.5213/inj.1836014.007 article EN cc-by-nc International Neurourology Journal 2018-01-30

We evaluated the preventive effects of four types seawater collected in Republic Korea on hairless mice with 2,4-dinitrochlorobenzene- (DNCB-) induced allergic/atopic dermatitis (AD). The anti-inflammatory were by measuring tumor necrosis factor- (TNF-) α and interleukins (ILs). Glutathione (GSH), malondialdehyde (MDA), superoxide anion, inducible nitric oxide synthase (iNOS) measured to evaluate antioxidant effects. Caspase-3 poly (ADP-ribose) polymerase (PARP) observed measure...

10.1155/2015/179185 article EN Evidence-based Complementary and Alternative Medicine 2015-01-01

10.1097/jto.0b013e318186a87a article EN publisher-specific-oa Journal of Thoracic Oncology 2008-11-01

The aim of this study was to investigate the association between metabolic syndrome (MetS) and arm leg muscle mass total weight ratios in Korean adults. This a randomized, controlled, cross-sectional study. Data from 2,383 adults (1,030 men 1,353 women) were collected Korea National Health Nutrition Examination Survey 2010-2011. Blood lipid profiles, blood pressure, anthropometric characteristics, including weight, height, waist circumference, on dual energy X-ray absorptiometry (DXA),...

10.3233/thc-161162 article EN Technology and Health Care 2016-09-14

Analysis on Bilateral Hindlimb Mapping in Motor Cortex of the Rat by an Intracortical Microstimulation MethodIntracortical microstimulation (ICMS) is a technique that was developed to derive movement representation motor cortex.Although rats are now commonly used mapping studies, precise characteristics rat map, including symmetry and consistency across animals, possibility repeated stimulation have not yet been established.We performed bilateral hindlimb cortex six Sprague-Dawley using...

10.3346/jkms.2014.29.4.587 article EN cc-by-nc Journal of Korean Medical Science 2014-01-01

Transplantation of neural stem cells has been reported as a possible approach for replacing impaired dopaminergic neurons. In this study, we tested the efficacy early-stage human dental papilla-derived and brain-derived in rat models 6-hydroxydopamine-induced Parkinson's disease. Rats received unilateral injection 6-hydroxydopamine into right medial forebrain bundle, followed 3 weeks later by injections PBS, cells, or ipsilateral striatum. All rats cell group died from tumor formation at...

10.3969/j.issn.1673-5374.2013.13.004 article EN PubMed 2013-05-05

ABSTRACT Insulin plays a central role in the regulation of metabolism humans. Mutations insulin gene can impair folding its precursor protein, proinsulin, and cause permanent neonatal‐onset diabetes mellitus known as Mutant INS‐gene induced Diabetes Youth (MIDY) with deficiency. To gain insights into molecular basis this diabetes‐associated mutation, we perform dynamics simulations wild‐type mutant (Cys A7 to Tyr or C(A7)Y) A chain aqueous solutions. The C(A7)Y mutation is one identified...

10.1002/prot.24759 article EN Proteins Structure Function and Bioinformatics 2015-01-13

A 59-year-old female presented with an acute onset of painful swelling on her left anterior chest wall after pounding own in sorrow (Fig. 1).The hematoma was removed through a limited subaxillary incision and we confirmed bleeding from perforating branch internal mammary artery 2).

10.1016/j.ejcts.2008.03.005 article EN other-oa European Journal of Cardio-Thoracic Surgery 2008-04-02

나이관련황반변성에 의한 맥락막혈관신생에서 유리체내 베바시주맙 주입술의 장기효과 김용환․김응석․유승영․곽형우 경희대학교 의과대학 안과학교실 목적: 반복주입의 효과와 안전성에 대해 알아보았다.대상과 방법: 반복주입을 받은 환자 중 12개월간 경과관찰이 가능했던 14명 14안을 대상으로 시력호전의 정도, 중심황반두께의 변화에 알아보았다.유리체내 주 사는 1.25 mg을 6주 간격으로 3회 시행 후 치료자의 판단으로 추가주입을 시행하였다.결과: 시력은 평균 1.13±0.47에서0.73±0.44로평균 4.0줄이 호전되었다.중심황반두께는 240.3±123.8µm에서 125.5±39.4µm로 114.8 µm 감소하였다.시력은 12주째부터 통계적으로 유의하게 호전되어 12개월 까지 유지되었고 중심황반두께는 6주째부터 의미 있게 12개월까지 유지되었다.12개월 동안 4회의 치 료로 7개월째 최고 4.4줄의 시력호전을 보였고 12개월에는 4.0줄의

10.3341/jkos.2008.49.12.1935 article KO Journal of the Korean Ophthalmological Society 2008-01-01

Massive hemothorax caused by a mediastinal mass is extremely rare. Herein, we present case of successful surgery for massive intrathoracic cystic hemorrhagic degeneration neurofibroma in patient with neurofibromatosis type 1 (NF1). A 44-year-old man NF1 was admitted to our emergency department chest pain and dyspnea. Image studies revealed posterior adjacent the descending aorta spinal canal. The tumor, located at fourth sixth thoracic vertebra, had diffusely extensively infiltrated around...

10.21037/jtd.2018.01.170 article EN Journal of Thoracic Disease 2018-03-01

BACKGROUND: Ankle sprain is a common sports injury. The initial injury involves trauma, but repeated inversion injuries occur in patients with eversion strength weakness and lower dynamic balance ability. OBJECTIVE: This study aimed to measure ability of ankle pa tients analyze characteristics which part more meaningful. METHODS: Patients were 91 men 116 women chronic instability (CAI) All tested for (Y-balance test, YBT) isokinetic (evertors, at 30∘/s). RESULTS: Forty (44.0%) 44 (37.9%)...

10.3233/ies-194223 article EN Isokinetics and Exercise Science 2020-04-07

Pericardial cysts are occasionally encountered and successfully excised using video-assisted thoracoscopic surgery (VATS). However, cardiac originating from the epicardium extremely rare. Herein, we report an epicardial cyst that was completely VATS. The had a feeding vessel left ventricle considered to originate ventricle. To best of our knowledge, this case is first excision

10.1093/ejcts/ezx067 article EN European Journal of Cardio-Thoracic Surgery 2017-02-26

Background and objectives Sarcopenia metabolic syndrome (MetS) increase incidence with age. This study evaluated the prevalence of MetS in middle-age to elderly men according knee grip strength muscle mass. Methods Data from 256 males aged 40–69 years were analyzed. The impedance method was used assess appendicular skeletal mass (ASM). Muscle measured a dynamometer 60°/s isokinetic machine. Strength divided into quartiles, logistic regression analyses performed. Results Absolute not...

10.15586/jomh.v16i2.224 article EN Journal of Men s Health 2020-01-01

Abstract: In this study, we report the case of a 42-year-old female patient who was diagnosed with hemangioma in pericardium connected to main pulmonary artery. Chest CT revealed hypodense, well-marginated, mass-like lesion, probably artery, and multiple heterogeneous attenuations were seen contrast enhancement. The tumor resected using conventional extracorporeal circulation for complete resection involving artery wall. Pathologic examination hemangioma. Because originated is extremely...

10.21037/jtd.2017.08.129 article EN cc-by-nc-nd Journal of Thoracic Disease 2017-10-01

Because bronchogenic cysts can result in infection, further complications due to compression of adjacent organs or malignant transformation, symptomatic and complicated are usually surgically removed. However, surgical excision be hazardous incomplete because dense adhesion surrounding vital as a consequence severe inflammation. Herein, we report rare case infected cyst caused by mediastinitis describe how approach using video-assisted thoracoscopic surgery (VATS) should considered for...

10.21037/jtd.2017.08.172 article EN cc-by-nc-nd Journal of Thoracic Disease 2017-11-01

A double toxin-double lesion strategy is well-known to generate a rat model of striatonigral degeneration (SND) such as multiple system atrophy-parkinsonian type. However, with this it difficult distinguish SND from Parkinson's disease (PD). In study, we propose new SND, which generated by simultaneous injection 6-hydroxydopamine into the medial forebrain bundle and quinolinic acid striatum. Stepping tests performed 30 min after intraperitoneal L-dopa administration at 6 weeks post-surgery...

10.3346/jkms.2014.29.11.1555 article EN cc-by-nc Journal of Korean Medical Science 2014-01-01

For the past half century, Journal of Korean Landscape Architecture has been leading landscape architecture research and industry inclusively. In this study, abstracts 1,802 articles were collected analyzed with topic modeling network analysis method. As a result paper, total 27 types subjects identified. Health healing in field environmental psychology, garden aesthetics, participation community, modernity, place placenness, microclimate, tourism social equity also have continued as...

10.9715/kila.2021.49.2.017 article EN Journal of the Korean Institute of Landscape Architecture 2021-04-01

Abstract A Bankart lesion is a common traumatic sports injury of the glenohumeral joint. When shoulder dislocated, connective tissue surrounding joint may tear or rupture. This study aimed to describe initial dislocation, treatment, medical rehabilitation outcomes at 3 and 8 months, return daily life for three patients. Patient 1 was 28-year-old male office worker who enjoyed fitness weight training. His sustained by fall from his bicycle subsequent performance pull-up exercises. Surgery...

10.1515/med-2019-0037 article EN cc-by Open Medicine 2019-01-01
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