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Jeonghwan Lee, Young Lee, Boram Park, Sungho Won, Jin Suk Han, Nam Ju Heo
Chronic kidney disease (CKD) is an important social health problem characterized by a decrease in the kidney glomerular filtration rate (GFR). In this study, we analyzed genome-wide association studies for kidney disease-related traits using data from a Korean adult health screening cohort comprising 7,064 participants. Kidney disease-related traits analyzed include blood urea nitrogen (BUN), serum creatinine, estimated GFR, and uric acid levels. We detected two genetic loci (SLC14A2 and an intergenic region) and 8 single nucleotide polymorphisms (SNPs) associated with BUN, 3 genetic loci (BCAS3, C17orf82, ALDH2) and 6 SNPs associated with serum creatinine, 3 genetic loci (BCAS3, C17orf82/TBX2, LRP2) and 7 SNPs associated with GFR, and 14 genetic loci (3 in ABCG2/PKD2, 2 in SLC2A9, 3 in intergenic regions on chromosome 4; OTUB1, NRXN2/SLC22A12, CDC42BPG, RPS6KA4, SLC22A9, and MAP4K2 on chromosome 11) and 84 SNPs associated with uric acid levels...
2018: PloS One
Woo-Kyoung Shin, Zisun Kim, Hyun Jo Youn, Jihyoung Cho, Jung Eun Lee
We identified demographic, lifestyle, and clinical factors associated with vitamin D status among breast cancer survivors. The vitamin D prediction model may be a useful surrogate of circulating 25-hydroxvitamin D (25(OH)D) concentrations when this measure was not available. We included a total of 216 Korean breast cancer survivors aged 21-79 years who had been diagnosed with stage I to III primary breast cancer and had breast cancer surgery at least 6 months before enrolment. We used linear and logistic regressions to identify determinants for the plasma 25(OH)D concentrations and vitamin D insufficiency (plasma 25(OH)D concentration < 50 nmol/L)...
March 20, 2018: Nutrients
Heung Jae Park, Chang Hoo Park, Yoosoo Chang, Seungho Ryu
OBJECTIVES: To examine the association of sitting time and physical activity level with the incidence of lower urinary tract symptoms (LUTS) in a large sample of Korean men. MATERIALS AND METHODS: A cohort study was performed in 69 795 Korean men, free of LUTS at baseline, who were followed up annually or biennially for a mean of 2.6 years. Physical activity level and sitting time were assessed using the validated Korean version of the International Physical Activity Questionnaire Short Form...
March 20, 2018: BJU International
Juyoung Yoo, Seung Min Jung, Jason Jungsik Song, Yong-Beom Park, Sang-Won Lee
We investigated the development rate and time, risk factors, predictors, and aetiologies of hospitalised infection in Korean patients with anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). We retrospectively reviewed the medical records of 154 patients with AAV. Hospitalised infection was considered only when patients were admitted for serious infection related to AAV or AAV treatment. The gap-time was defined as the period from diagnosis to the first hospitalised infection or to the last visit for uninfected patients...
March 20, 2018: Clinical Rheumatology
Taeman Han, Seung-Hyun Kim, Hyung Joo Yoon, In Gyun Park, Haechul Park
We reassessed species diversity and genetic structure in Korean bumble bees using DNA barcode analyses of 484 cytochrome c oxidase subunit I (COI) sequences from 24 morphospecies. Based on COI, all of the Korean species formed distinct clades in the phylogenetic trees, except for Bombus (Megabombus) koreanus in the maximum likelihood tree. Five species exhibited low interspecific genetic distances (range: 1.2-2.7%), indicating that they are recently diverged species. COI data could not be used to identify bumble bees at the subspecies level...
March 20, 2018: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
Se Hee Min, Se Hong Kim, In Kyung Jeong, Ho Chan Cho, Jin Ok Jeong, Ju Hee Lee, Hyun Jae Kang, Hyo Soo Kim, Kyong Soo Park, Soo Lim
BACKGROUND AND OBJECTIVES: A relationship between renin-angiotensin system (RAS) components and metabolic syndrome (MetS) has been suggested, but not elucidated clearly. We examined the levels of RAS components in patients with and without MetS and their association with MetS in Korean population. METHODS: This study was approved by the review boards of the participating institutions and endorsed by the Korean Society of Lipid and Atherosclerosis. We screened 892 Koreans aged ≥20 years who underwent evaluation of hypertension, diabetes, or dyslipidemia at 6 tertiary hospitals in 2015-2016...
March 2018: Korean Circulation Journal
Lindsay Zibrik, Alan Huang, Vivian Wong, Helen Novak Lauscher, Queenie Choo, Eric M Yoshida, Kendall Ho
INTRODUCTION: Chronic hepatitis B (HBV) is prevalent among Asian immigrants in Canada with high morbidity and mortality rates. While some studies have identified barriers to health care and information access, few have studied the impact of culturally relevant information and addressed challenges with recommendations for effective public education and outreach programs. METHODS: Culturally tailored HBV education workshops were delivered over a 12-month period to Chinese, Filipino, Korean and Punjabi immigrants in Lower Mainland, British Columbia (BC)...
March 19, 2018: Journal of Racial and Ethnic Health Disparities
Kyungdo Han, Jun-Beom Park
The present study was performed to assess the risk factors for periodontitis in Korean adults with diabetes. Data from the Korean National Health and Nutrition Examination Survey of the Korean population, conducted between January 2012 and December 2014 were used in the investigation. The presence of periodontitis in participants with diabetes in association with demographic variables and the anthropometric characteristics of the participants was investigated. Multiple logistic regression analyses were used to assess the associations between periodontitis and age, sex, diabetic control and duration of diabetes, following adjustment for confounding factors...
April 2018: Experimental and Therapeutic Medicine
Sang Hoon Lee, Jong Sun Park, Song Yee Kim, Dong Soon Kim, Young Whan Kim, Man Pyo Chung, Soo Taek Uh, Choon Sik Park, Sung Woo Park, Sung Hwan Jeong, Yong Bum Park, Hong Lyeol Lee, Jong Wook Shin, Eun Joo Lee, Jin Hwa Lee, Yangin Jegal, Hyun Kyung Lee, Yong Hyun Kim, Jin Woo Song, Moo Suk Park
The clinical course of idiopathic pulmonary fibrosis (IPF) is difficult to predict, partly owing to its heterogeneity. Composite physiologic index (CPI) and gender-age-physiology (GAP) models are easy-to-use predictors of IPF progression. This study aimed to compare the predictive values of these two models. From 2003 to 2007, the Korean Interstitial Lung Disease (ILD) Study Group surveyed ILD patients using the 2002 ATS/ERS criteria. A total of 832 patients with IPF were enrolled in this study. CPI was calculated as follows: 91...
March 19, 2018: Scientific Reports
Young-Mo Kim, Yong-Bum Joo, Ki-Young Lee, Sung-Jin Hwang
Purpose: To identify the femoral footprint of the anterior cruciate ligament (ACL) in Koreans. Materials and Methods: Eighteen embalmed cadaveric knees (mean age, 70 years) were examined. First, the shape of the ACL was determined macroscopically. After the ACL femoral footprint was defined, the ACL was cut from the femur and a Kirschner wire was inserted into the center of the ACL, and the position was verified with a C-arm. The position was quantified on the C-arm field using the quadrant method...
March 19, 2018: Knee Surgery & related Research
Hyoungnae Kim, Misol Lee, Min-Uk Cha, Ki Heon Nam, Seong Yeong An, Seohyun Park, Jong Hyun Jhee, Hae-Ryong Yun, Youn Kyung Kee, Jung Tak Park, Tae-Hyun Yoo, Shin-Wook Kang, Seung Hyeok Han
Background: Although asymptomatic microscopic hematuria (MH) is a common finding in clinical practice, its long-term outcome remains unknown. Aim: This study evaluated the clinical implication of MH in the general population using a large-scale long-term longitudinal cohort database. Methods: This study included 8719 participants from the Korean Genome and Epidemiology Study between 2001 and 2014. MH was defined as ≥ 5 red blood cells per high-power field in random urinalysis without evidence of pyuria...
March 14, 2018: QJM: Monthly Journal of the Association of Physicians
Sung Jun Maeng, Jinhwan Kim, Gyuseong Cho
ICRP (2011) revised the dose limit to the eye lens to 20 mSv/y based on a recent epidemiological study of radiation-induced cataracts. Maintenance of steam generators at nuclear power plants is one of the highest radiation-associated tasks within a non-uniform radiation field. This study aims to evaluate eye lens doses in the steam generators of the Korean OPR1000 design. The source term was characterized based on the CRUD-specific activity, and both the eye lens dose and organ dose were simulated using MCNP6 combined with an ICRP voxel phantom and a mesh phantom, respectively...
March 15, 2018: Radiation Protection Dosimetry
Lito M Amit, Young-Woong Song
Body surface area (BSA) is an important parameter in the conduct of human exposure studies and in clinical processes in children. The aim of this paper was to compare seven BSA formulas and to find out which of these formulas is appropriate for use with Korean children. Body surface area was calculated according to age, age-group and BMI-group using the height and weight data of Korean children (n = 4899) ages 1 to 18 from Korea National Health and Nutrition Examination Survey (2012-2014). We used the formulas of Banerjee and Bhattacharya (1961), Fujimoto and Watanabe (1969), US EPA (1985), Gehan and George (1970), Boyd (1935), Haycock et al (1978) and Mosteller (1987)...
2018: Journal of UOEH
Hee Kyung Yang, Ki Won Moon, Min Jung Ji, Sang Beom Han, Jeong-Min Hwang
Purpose: To report a case of primary antiphospholipid syndrome presenting with isolated homonymous superior quadrantanopsia. Observations: A 50-year-old Korean man presented with subjective visual disturbance for 1 month. Visual field testing showed a right homonymous superior quadrantanopsia. Brain magnetic resonance imaging (MRI) revealed an old infarct in his left occipital lobe and multiple lesions in other areas of the brain. Laboratory tests showed a marked increase in serum anti-β2 glycoprotein I antibody, which remained elevated after 12 weeks...
June 2018: American Journal of Ophthalmology Case Reports
Hak-Jae Kim, Chun-Geon Park, Rakesh Varghese, Ji Yeon Lee, YoungOck Kim, Gi-Ho Sung
The leaf of Aurea helianthus ( A. helianthus Jinhuakui) is popularly used in China traditional medicine, however, scientific evidence on its antioxidant properties rarely studied. In this study, biological activities of A. helianthus leave's 80% ethanol extract (AHL) were investigated. The measured total polyphenol and flavonoid content of AHL was 184.24 ± 5.01 mg GAE/g and 102.53 ± 0.98 mg NAR/g. AHL showed the highest α, α -diphenyl- β -picrylhydrazyl (DPPH) and 2,2'-azino-bis-3-ethylbenzo-thiazoline-6-sulfonic acid (ABTS) radical scavenging activities of 98...
December 2017: Saudi Journal of Biological Sciences
Minjung Park, Jennifer Hunter, Soonman Kwon
High demand for traditional Korean medicine led to a policy change in 2010 allowing hospitals to provide Integrative medicine care that combines Western medicine and Korean medicine. This study evaluated the effects of Integrative medicine compared to Western medicine-only for managing acute stroke in South Korean hospitals. A retrospective matched case-control observational study was conducted for acute stroke patients admitted nationwide in 2012 and 2013. Propensity score matching was used to adjust for the likelihood of selecting Integrative medicine...
March 6, 2018: Health Policy
Miyoung Jang, Jiyoung Kim
PURPOSE: Prospective studies have examined factors directly affecting psychosocial adjustment during breast cancer treatment. Survivorship stage may moderate a direct effect of stress on psychosocial adjustment. This study aimed to examine relationships between stress, social support, self-efficacy, coping, and psychosocial adjustment to construct a model of the effect pathways between those factors, and determine if survivorship stage moderates those effects. METHODS: Six hundred people with breast cancer completed questionnaires...
April 2018: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
Ha-Rim Park, Soo-Kyung Cho, Seul Gi Im, Sun-Young Jung, Dalho Kim, Eun Jin Jang, Yoon-Kyoung Sung
Background/Aims: To evaluate the treatment patterns of knee osteoarthritis (OA) patients in South Korea. Methods: Using the Korean nationwide claims database, all knee OA patients in Korea during 2014 were identified by the knee OA diagnostic code (M17) or any OA diagnostic code (M15 to M19) in combination with a procedure for a knee X-ray. Patterns of medications such as nonsteroidal anti-inflammatory drugs (NSAIDs), corticosteroids (CSs), analgesics, and symptomatic slow acting drugs for OA (SYSADOA) were analyzed...
March 21, 2018: Korean Journal of Internal Medicine
Tae Beom Kim, Young Sup Shim, Sang Min Lee, Eun Suk Son, Jung Woo Shim, Sang Pyo Lee
Post-orgasmic illness syndrome (POIS) is a very rare disease characterized by local allergic symptoms and transient flu-like illness that nearly always occur after masturbation, coitus, or spontaneous ejaculation and last for 2 to 7 days. In a previous case report, 2 patients with POIS received hyposensitization therapy composed of multiple subcutaneous injections of autologous semen that resulted in a gradual decrease of symptoms. However, this procedure requires patients to endure pain and discomfort during frequent subcutaneous injections and preceding masturbations to obtain the autologous semen used for therapy...
March 14, 2018: Sexual Medicine
Jae-Min Park, Jae-June Dong, Ji-Won Lee, Jae-Yong Shim, Yong-Jae Lee
BACKGROUND/AIMS: This study aimed to investigate the relationship between employment status and insulin resistance in the Korean elderly population. METHODS: The study included 2325 healthy participants (862 men and 1463 women) who did not have diabetes, were 60-74 years old, and participated in the 2007-2010 Korea National Health and Nutrition Examination Survey. Their employment status was categorized as employed or unemployed. The homeostasis model assessment of insulin resistance (HOMA-IR) was used to assess insulin sensitivity...
March 16, 2018: Aging Clinical and Experimental Research
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