Young‐Ki Lee

ORCID: 0000-0003-3464-6144
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About
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Research Areas
  • Dialysis and Renal Disease Management
  • Computational Fluid Dynamics and Aerodynamics
  • COVID-19 Clinical Research Studies
  • Central Venous Catheters and Hemodialysis
  • Fluid Dynamics and Turbulent Flows
  • Nutrition and Health in Aging
  • COVID-19 and healthcare impacts
  • Structural Load-Bearing Analysis
  • Parathyroid Disorders and Treatments
  • Chronic Kidney Disease and Diabetes
  • Gas Dynamics and Kinetic Theory
  • Blood Pressure and Hypertension Studies
  • Long-Term Effects of COVID-19
  • Structural Behavior of Reinforced Concrete
  • Metal and Thin Film Mechanics
  • Muscle and Compartmental Disorders
  • Antenna Design and Analysis
  • COVID-19 and Mental Health
  • Cardiovascular Health and Disease Prevention
  • Renal and Vascular Pathologies
  • Iron Metabolism and Disorders
  • GaN-based semiconductor devices and materials
  • Food Quality and Safety Studies
  • Semiconductor materials and interfaces
  • Hormonal Regulation and Hypertension

Hallym University Kangnam Sacred Heart Hospital
2013-2025

Hallym University
2016-2025

Agency for Defense Development
2024

The Korean Society of Nephrology
2013-2024

Dankook University
2010-2021

Weatherford College
2021

Hallym University Medical Center
2018-2020

Georgia Institute of Technology
2013-2020

Kidney Research UK
2020

National Institute of Environmental Research
2018

A high body mass index (BMI) is known to correlate with better survival in patients on hemodialysis (HD). However, the impacts of composition and sarcopenia have not been well studied this population.One hundred forty-two prevalent HD were recruited followed prospectively for up 4.5 years. Low muscle (measured using a portable, whole-body, bioimpedance spectroscopic device) was defined as lean tissue (LTI) two standard deviations (SD) or more below normal gender-specific mean young people....

10.3904/kjim.2017.083 article EN cc-by-nc The Korean Journal of Internal Medicine 2017-11-22

Since both retinopathy and nephropathy are major diabetic microvascular complications, we investigated whether severity of (DR) has adverse effects on renal function albuminuria in the patients with type 2 diabetes mellitus (DM). We screened 2,197 adult DM who had undergone fundus exam between August 2006 February 2014. Among them, 1,592 subjects available serial measurement were included analysis. DR status was classified as no DR, non-proliferative (NPDR), proliferative (PDR). The risk CKD...

10.1371/journal.pone.0220506 article EN cc-by PLoS ONE 2019-07-29

Background and aims Malnutrition inflammation are closely linked to vascular calcification (VC), the severity of which correlate with adverse outcome. However, there were few studies on interplay between malnutrition, VC progression, rather than presence per se. We aimed determine relationship inflammation, abdominal aortic (AAC) progression survival in hemodialysis (HD) patients. Methods defined as low serum albumin (< 40 g/L) high hs-CRP (≥ 28.57 nmol/L), respectively. AAC an increase...

10.1371/journal.pone.0216415 article EN cc-by PLoS ONE 2019-05-02

Significance Statement Health care–associated infections during previous serious coronavirus epidemics resulted from human-to-human transmission in hemodialysis (HD) facilities. The authors analyzed the effect of a strategy HD with cohort isolation on secondary disease 2019 (COVID-19) facilities Korea, which involves administering an immediate screening test for COVID-19 to all close contacts (patients and health care workers) strict maintenance isolation. Epidemiologic investigation tests...

10.1681/asn.2020040461 article EN Journal of the American Society of Nephrology 2020-06-01

Aged population with comorbidities demonstrated high mortality rate and severe clinical outcome in the patients coronavirus disease 2019 (COVID-19). However, whether age-adjusted Charlson comorbidity index score (CCIS) predict fatal outcomes remains uncertain.This retrospective, nationwide cohort study was performed to evaluate patient according CCIS among hospitalized COVID-19 infection. We included 5621 who had been discharged from isolation or died by April 30, 2020. The primary...

10.1097/md.0000000000025900 article EN cc-by-nc Medicine 2021-05-06

Purpose: Patients with chronic kidney disease frequently show cognitive dysfunction.The association of depression and function is not well known in maintenance dialysis patients.We evaluated impairment depression, as their relationship regards to methods dialysis, hemodialysis (MHD) peritoneal (CPD).Materials Methods: Fifty-six patients were recruited clinical laboratory data collected.The Korean version the mini-mental state exam (K-MMSE) was applied screen patient's function, while Beck...

10.3349/ymj.2013.54.6.1447 article EN cc-by-nc Yonsei Medical Journal 2013-01-01

Abstract During the outbreak of Middle East respiratory syndrome coronavirus(MERS-CoV) in 2015, one hemodialysis patient was infected with MERS-CoV, and remaining hemodialysis(HD) patients (n = 83) medical staff 12) had to undergo dialysis treatment an isolated environment. This study performed investigate effects stress caused by under isolation. Plasma samples from HD were collected at time isolation(M0), following month(M1), three months after isolation(M3). Parameters for included...

10.1038/s41598-019-41964-x article EN cc-by Scientific Reports 2019-04-05

Background: Constipation is a common gastrointestinal disorder and often accompanied by alteration in the gut microbiota. Recently, several studies have disclosed its association with an increased risk of cardiovascular disease mortality general population. Despite high prevalence constipation, data on clinical impact constipation patients chronic kidney are limited. We aimed to explore using nationally representative cohort hemodialysis patients. Methods: This study used quality assessment...

10.23876/j.krcp.24.174 article EN cc-by-nc-nd Kidney Research and Clinical Practice 2025-01-09

Patients with end-stage kidney disease (ESKD) frequently visit the emergency department (ED) due to complications from comorbidities and dialysis. This study aimed investigate clinical outcomes patterns of ED visits, hospitalizations, in-hospital mortality among visits by ESKD patients in South Korea. utilized data National Emergency Department Information System 2019 2021. were analyzed for compared non-chronic (non-CKD) patients. Logistic regression analyses conducted assess factors...

10.23876/j.krcp.24.170 article EN cc-by-nc-nd Kidney Research and Clinical Practice 2025-01-17

Proactive planning and preparation are critical to the safety of patients on dialysis during emergencies, such as natural disasters, pandemics, coronavirus disease 2019. Patients with end-stage kidney particularly vulnerable disruptions power outages, water shortages, transportation issues, center closures because they can result in missed sessions severe health deterioration. This study aimed develop tailored dietary guidelines for Korean hemodialysis by applying U.S. Centers Disease...

10.23876/j.krcp.24.242 article EN cc-by-nc-nd Kidney Research and Clinical Practice 2025-01-24

Background Intradialytic cardiac arrest is a serious complication of hemodialysis (HD) in patients with end-stage kidney disease. Therefore, appropriate emergency equipment should be prepared before the initiation HD. However, little known about effects preparedness on outcomes undergoing We aimed to evaluate mortality Korean maintenance Methods Data from HD quality assessment and National Health Service claims between October December 2015 were used. In total, 34,950 categorized into two...

10.23876/j.krcp.24.213 article EN cc-by-nc-nd Kidney Research and Clinical Practice 2025-03-27

Nanoparticle–nanorod core–shell spinel cathodes for Li-ion batteries were prepared using a hollow precursor. The core and shell parts consisted of nanoparticle nanorod assemblies, respectively. cathode exhibited greatly improved discharge capacities compared to nanoparticles by sol–gel method. 121 100 mAh/g at 0.1C 7C rates, respectively, whereas method 99 80 those respective rates. In addition, the spinels demonstrated an energy density value that was enhanced 52% analogous sample method,...

10.1149/1.3428706 article EN Journal of The Electrochemical Society 2010-01-01

Patients: Analysis at 5 Years of Follow-upAlthough oxidized low-density lipoprotein (LDL) and lysophosphatidylcholine (LPC) have been proposed as important mediators the atherosclerosis, long-term contribution to risk cardiovascular disease (CVD) in hemodialysis patients has not evaluated.This study investigated relation between LDL LPC levels with long term CVD.Plasma were determined 69 Korean a prospective observational for yr.During observation period, 18 events (26.1%) occurred including...

10.3346/jkms.2013.28.2.268 article EN cc-by-nc Journal of Korean Medical Science 2013-01-01

Cognitive impairment in end-stage renal disease patients is associated with an increased risk of mortality. We examined the cognitive function hemodialysis (HD) and compared Korean versions Montreal Assessment (K-MoCA) Mini-Mental State Examination (K-MMSE) to identify better screening instrument these patients. Thirty undergoing 30 matched reference group apparently healthy control were included. All subjects underwent K-MoCA, K-MMSE a neuropsychological test battery measure attention,...

10.1080/0886022x.2018.1455589 article EN cc-by Renal Failure 2018-04-10

Abstract Hemodialysis (HD) patients had a high rate of infection transmission and mortality during the middle east respiratory syndrome coronavirus (MERS-CoV) outbreak in Saudi Arabia. A standardized guideline on isolation technique for exposed HD is not available. Thus, this study aimed to evaluate effect different strategies prevention secondary viral clinical outcomes among patients. During 2015 MERS-CoV Korea, 116 3 units were incidentally individuals with confirmed underwent types...

10.1097/md.0000000000018782 article EN cc-by-nc Medicine 2020-01-01

Coronavirus disease 2019 (COVID-19) is a highly contagious viral that caused by the novel virus Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2). COVID-19 has become pandemic since December 2019, when first case developed in Wuhan, China. Patients receiving hemodialysis are more vulnerable to transmission because their immune functions impaired and they receive treatment within narrow space. Calling on previous experience with Middle East during 2015 outbreak, joint committee of...

10.23876/j.krcp.20.046 article EN cc-by-nc-nd Kidney Research and Clinical Practice 2020-05-15
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