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Young Sam Kim

Yonsei University · Medicine

About the Lab

Professor Young Sam Kim's research lab focuses on child and adolescent mental health, with a primary emphasis on autism spectrum disorder (ASD) prevalence, bullying-related psychosocial outcomes, and the development of culturally valid diagnostic tools. The lab investigates the interplay between behavioral health, social adversity, and neurobiological mechanisms, particularly in school-aged populations. Key research directions include improving early detection of ASD, understanding the longitudinal impact of school bullying on suicidal ideation, and validating psychiatric assessment instruments for Korean youth. The lab integrates epidemiological, clinical, and translational approaches to inform public health interventions and mental health policy.

autism spectrum disorderschool bullyingsuicidal behaviorpsychiatric assessmentyouth mental health

Research Overview

Papers
491
Total Citations
14,394
Papers (5y)
34
Primary Field
Medicine

Research Output Trend

Figures are computed from collected data and may differ slightly.

Publications per year (5y)
34total
2022
2023
2024
2025
2026
Citations per year (5y)
334total
20222023202420252026

Selected Papers

15
1
Article|217 citations·2018
The C-Reactive Protein/Albumin Ratio as a Predictor of Mortality in Critically Ill Patients
Ji Eun Park, Kyung Soo Chung, Joo Han Song, Song Yee Kim, Eun Young Kim, Ji Ye Jung, Young Ae Kang, Moo Suk Park, Young Sam Kim, Joon Chang, Ah Young Leem
SJR Q1Journal of Clinical MedicineOA

The C-reactive protein (CRP)/albumin ratio has recently emerged as a marker for poor prognosis or mortality across various patient groups. This study aimed to identify the association between CRP/albumin ratio and 28-day mortality and predict the accuracy of CRP/albumin ratio for 28-day mortality in medical intensive care unit (ICU) patients. This was a retrospective cohort study of 875 patients. We evaluated the prognostic value of CRP/albumin ratio to predict mortality at 28 days after ICU adm

SurgeryMedicine
2
Article|158 citations·2010
Risk factors for multi-drug resistant Acinetobacter baumanniibacteremia in patients with colonization in the intensive care unit
Ji Ye Jung, Moo Suk Park, Song Yee Kim, Byung Hoon Park, Ji Young Son, Eun Young Kim, Joo Eun Lim, Sang Kook Lee, Sang Hoon Lee, Kyung Jong Lee, Young Ae Kang, Se Kyu Kim
SJR Q1BMC Infectious DiseasesOA

BACKGROUND: Epidemic outbreaks of multi-drug resistant (MDR) Acinetobacter baumannii (AB) in intensive care units (ICUs) are increasing. The incidence of MDR AB bacteremia, which develops as a result of colonization, is increasing through widespread dissemination of the pathogen, and further colonization. We sought to determine risk factors for MDR AB bacteremia in patients colonized with MDR AB in the ICU. METHODS: We conducted a retrospective, observational study of 200 patients colonized with

Molecular MedicineBiochemistry, Genetics and Molecular Biology
3
Article|139 citations·2011
Delta neutrophil index as an early marker of disease severity in critically ill patients with sepsis
Byung Hoon Park, Young Ae Kang, Moo Suk Park, Won Jai Jung, Su Hwan Lee, Sang Kook Lee, Song Yee Kim, Se Kyu Kim, Joon Chang, Ji Ye Jung, Young Sam Kim
SJR Q1BMC Infectious DiseasesOA

BACKGROUND: The immature granulocyte count has been reported to be a marker of infection and sepsis. The difference in leukocyte subfractions (delta neutrophil index, DNI) in ADVIA 2120 reflects the fraction of circulating immature granulocytes in the blood. This study evaluated the clinical utility of DNI as a severity and prediction marker in critically ill patients with sepsis. METHODS: One hundred and three patients admitted to the medical intensive care unit with sepsis were studied. DNI (t

EpidemiologyMedicine
4
Article|55 citations·2016
Factors associated with postoperative complications and 1-year mortality after surgery for colorectal cancer in octogenarians and nonagenarians
Young Sam Kim, Ik Yong Kim
SJR Q1Clinical Interventions in AgingOA

Patient-related factors (older age, higher ASA score, presence of anemia, and lower serum albumin) and procedure-related factors (performance of combined surgical procedure) increased postoperative complications. Avoidance of 30-day postoperative complications may decrease 1-year mortality.

OncologyMedicine
5
Article|51 citations·1967
Cell Proliferation during the Development of Stress Erosions in Mouse Stomach
Young Sam Kim, Robert M. Kerr, Martin Lipkin
SJR Q1Nature
SurgeryMedicine
6
Article|48 citations·2003
MRAS based sensorless control of permanent magnet synchronous motor
Young Sam Kim, Sang Kyoon Kim, Young Ahn Kwon
Society of Instrument and Control Engineers of Japan

Speed and torque controls of permanent magnet synchronous motors are usually attained by the application of position and speed sensors. However, speed and position sensors require the additional mounting space, reduce the reliability in harsh environments and increase the cost of a motor. Therefore, many studies have been performed for the elimination of speed and position sensors. This paper investigates a novel speed sensorless control of a permanent magnet synchronous motor. The proposed cont

Electrical and Electronic EngineeringEngineering
7
Article|46 citations·1997
Trovafloxacin in treatment of rabbits with experimental meningitis caused by high-level penicillin-resistant Streptococcus pneumoniae
Young Sam Kim, Qian Liu, Lucian Chow, Martin G. Täuber
SJR Q1Antimicrobial Agents and ChemotherapyOA

The fluoroquinolone trovafloxacin was bactericidal (0.47 +/- 0.23 delta log10 CFU/ml x h after 10 mg/kg of body weight and 0.78 +/- 0.15 delta log10 CFU/ml x h after 30 mg/kg) in the treatment of experimental meningitis caused by a highly penicillin-resistant (MIC and minimum bactericidal concentration = 4 and 4 microg/ml) strain of Streptococcus pneumoniae. Combinations with ampicillin and rifampin were indifferent compared to single drugs.

PharmacologyMedicine
8
Article|40 citations·1968
Hydroxy Acid Excretion in Steatorrhea of Pancreatic and Nonpancreatic Origin
Young Sam Kim, Norton Spritz
SJR Q1New England Journal of Medicine

Although fecal hydroxy fatty acids are known to be increased in steatorrhea, we found this increase to be inconstant in different types of steatorrhea. In eight normal subjects, hydroxy acids were undetectable in three and in no case exceeded 1.2 per cent of total fecal fatty acids. In 15 patients with steatorrhea from causes other than pancreatic insufficiency, hydroxy acid excretion per day ranged from 0.2 to 11.4 gm, representing from 5.1 to 20.9 per cent of their total fecal fat loss. In fiv

SurgeryMedicine
9
Article|37 citations·2006
Validation of the Korean Version of the St. George's Respiratory Questionnaire for Patients with Chronic Respiratory Disease
Young Sam Kim, Min Kwang Byun, Wou Young Jung, Jae Hee Jeong, Sang Bong Choi, Shin Myung Kang, Ji Ae Moon, Jung Suk Han, Chung Mo Nam, Moo Suk Park, Soon Il Kim, Joon Chang
SJR Q2Tuberculosis & respiratory diseasesOA

Background: The "health-related quality of life" (HRQL) for patients with chronic respiratory disease has been emphasized, because chronic respiratory disease (CRD) is chronic and progressive, and it finally causes disability. HRQL instruments may be useful for monitoring patients' progress or for determining the most appropriate choice of treatment. We describe the adapting St George's Respiratory Questionnaire (SGRQ), which is a self-administered questionnaire developed by Jones et al. (1991),

Emergency Medical ServicesHealth Professions
10
Article|36 citations·2013
Increased Prevalence of Self-Reported Asthma Among Korean Adults: An Analysis of KNHANES I and IV Data
Song Yee Kim, Ji Ye Jung, Moo Suk Park, Young Ae Kang, Eun Young Kim, Soon Il Kim, Joon Chang, Young Sam Kim
SJR Q1LungOA
PhysiologyMedicine
11
Article|32 citations·2015
Factors associated with the quality of life of Korean COPD patients as measured by the EQ-5D
Ji Young Hong, Song Yee Kim, Kyung Soo Chung, Eun Young Kim, Ji Ye Jung, Moo Suk Park, Young Ae Kang, Soon Il Kim, Joon Chang, Young Sam Kim
SJR Q1Quality of Life ResearchOA
Pulmonary and Respiratory MedicineMedicine
12
Article|31 citations·2005
Pulmonary involvement in Erdheim‐Chester disease
Jae Ho Chung, Moo Suk Park, Dong Hyun Shin, Kyu Ok Choe, Se K. Kim, Joon Chang, Sung K. Kim, Young Sam Kim
SJR Q1RespirologyOA

Erdheim-Chester disease is a disseminated non-Langerhans' cell histiocytosis involving multiple organs with characteristic sclerotic musculoskeletal lesions. This is the report of the case of a 53-year-old woman with extensive and progressive pulmonary disease. Computed tomography scans revealed diffuse infiltrative lung disease. Thoracoscopic lung biopsy and a biopsy of the right femur lesion were performed. The histopathology revealed that she had non-Langerhans' cell histiocytosis; Erdheim-Ch

PhysiologyMedicine
13
Article|29 citations·2010
Screening for latent tuberculosis infection in South Korean healthcare workers using a tuberculin skin test and whole blood interferon-γ assay
Kyung Jong Lee, Young Ae Kang, Young Mi Kim, Young Mi Kim, Sang-Nae Cho, Jin Wook Moon, Moo Suk Park, Young Sam Kim, Joon Chang, Young Mi Kim, Young Sam Kim
Scandinavian Journal of Infectious DiseasesOA

This study compared the results of a tuberculin skin test (TST) and a whole-blood interferon-gamma release assay (IGRA) to screen latent tuberculosis (TB) infection (LTBI) according to risk of TB exposure in South Korea. A cross-sectional comparison of 82 healthcare workers (HCWs) was performed from June 2009 to January 2010. Participants were grouped according to their risk for TB exposure: group 1, frequent and direct contact with active TB patients (n = 35); group 2, no known history of direc

Infectious DiseasesMedicine
14
Article|29 citations·2021
Low-level expression of necroptosis factors indicates a poor prognosis of the squamous cell carcinoma subtype of non-small-cell lung cancer
Jun Hyeok Lim, Sekyung Oh, Lucia Kim, Young Ju Suh, Yu‐Jin Ha, Jung Soo Kim, Hyun‐Jung Kim, Mi Hwa Park, Young Sam Kim, Yunjung Cho, Seung Min Kwak, Hong Lyeol Lee
SJR Q1Translational Lung Cancer ResearchOA

Low-level expression of such necroptosis factors as RIPK3 and PELI1 in combination with high-level expression of the DDR factor p53 can serve as a critical indicator in predicting survival of stage I NSCLC patients with the SCC subtype.

Molecular BiologyBiochemistry, Genetics and Molecular Biology
15
Article|28 citations·2014
Lysophosphatidylcholine as a prognostic marker in community-acquired pneumonia requiring hospitalization: a pilot study
W. H. Cho, Hye Ju Yeo, Seong Hoon Yoon, S. E. Lee, Doosoo Jeon, Young Sam Kim, S. J. Lee, Eun‐Jung Jo, Jeongha Mok, M. H. Kim, K. U. Kim, K. Lee
SJR Q1European Journal of Clinical Microbiology & Infectious DiseasesOA
EpidemiologyMedicine

Research Areas

Pulmonary and Respiratory MedicineEpidemiologyInfectious DiseasesSurgeryPhysiologyMolecular Biology

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