Publications by authors named "Chan Hee Song"

Background: Recent studies have reported that chronic mental health problems often emerge in young adulthood. This study elucidated the independent effects of smoking and drinking on depressed mood in young adults by sex.

Methods: We used Data from the Korea National Health and Nutrition Examination Surveys conducted in 2014, 2016, and 2018.

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Diabetes mellitus (DM) is strongly associated with depression, especially in women. This study was designed to investigate the gender-specific association between DM and depressive mood by family history of diabetes. Data from the Korea National Health and Nutrition Examination Survey, a population-based cross-sectional survey in 2020, were used.

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Background: Rotational thrombelastometry (ROTEM) has been used to evaluate the coagulation state, predict transfusion, and optimize hemostatic management in trauma patients. However, there were limited studies on whether the prediction value could be improved by adding the ROTEM parameter to the prediction model for in-hospital mortality and massive transfusion (MT) in trauma patients.

Objective: This study assessed whether ROTEM data could improve the MT prediction model.

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Background: Obesity is a known risk factor for various chronic conditions, as well as mental health disorders. However, there have been few studies on weight change and mental health according to obesity. This study was performed to elucidate the association between weight changes and mental health according to obesity in middle-aged women.

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The cerebellum is an important region responsible for adolescent cognitive function and sleep, and their correlation is expected to show different patterns depending on age and gender. We examined the regional cerebellar gray matter volume (GMV), executive function (EF) and insomnia symptoms to identify their correlation and gender differences in adolescents. Data for a total of 55 subjects' (M = 31, F = 24, 14.

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  • - The study examined the prevalence and factors influencing irregular menstrual cycles among Korean women aged 19-40, revealing that 14.3% experience irregular cycles.
  • - Higher education levels and older age correlated with lower odds of having irregular cycles, whereas higher body mass index, perceived stress, and depressive mood increased the likelihood of irregularities.
  • - Key findings indicate that perceived stress significantly contributes to irregular menstrual cycles, overshadowing obstetric factors or metabolic diseases in terms of impact.
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Background: There have been a few reported cases of congenital great toenail dystrophy (GTND), described as a congenital malalignment of the great toenails. However, acquired GTDN is rare, and has not been documented extensively. This study aimed to describe the clinical features of 21 patients with acquired GTND.

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Hypersensitivity to mosquito bites is defined as the appearance of intense skin reactive lesions and systemic symptoms subsequent to mosquito bites. Most cases of hypersensitivity to mosquito bites reported thus far have been associated with chronic Epstein-Barr virus infection or natural killer cell leukemia/lymphoma. In this study, we describe the case of an 18-year-old Korean boy who had hypersensitivity to mosquito bites associated with primary systemic anaplastic lymphoma kinase-positive anaplastic large cell lymphoma.

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  • * Higher calcium levels correlated with an increase in mean heart rate, while higher magnesium levels led to a significant decrease in mean heart rate and an increase in SDNN values.
  • * The study found that a higher calcium/magnesium ratio was linked to lower values in SDNN, total power, and low-frequency power, suggesting potential implications for cardiovascular health.
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Objective: Many studies suggest optimal sleep duration for survival is 7-8h/night. We report the gender-specific independent association of all-cause mortality with nighttime sleep and daytime nap duration in older adults who were followed for up to 19years.

Methods: Between 1984 and 1987, 2001 community-dwelling, mostly retired, adults (1112 women), age 60-96years, answered questions about health, mood, medications, life-style, daytime napping, and nighttime sleep duration.

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Aims: This study was undertaken to evaluate the effect of senile cataract on sleep profiles.

Methods: Clinical interviews and comprehensive ophthalmological examinations were done on 378 patients over 59 years old. Severities of cataract as a whole (LO: lenticular opacity) and nucleosclerosis (LN: lenticular nucleosclerosis) were determined by the LOCS (Lens Opacities Classification System) III.

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Zinc (Zn) and copper (Cu) are essential micronutrients involved in numerous metabolic reactions. They are also antagonists of the N-methyl-D-aspartate glutamate (NMDA) receptor in the central nervous system, which mediates mood, cognition, pain perception, and sleep. However, there have been few studies on the effects of Zn and Cu on sleep.

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Several studies have observed an inverse association between serum magnesium and fasting glucose levels. However, there have been sparse data on Koreans. The present study was designed to evaluate the association between serum magnesium and fasting serum glucose levels in Korean adults.

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  • * A study was conducted using diabetic and non-diabetic rats to investigate the effects of chronic heavy alcohol exposure on BDNF levels and glucose tolerance over a 6-week period.
  • * Results showed that the diabetic rats exposed to ethanol had significantly higher blood glucose levels compared to their control counterparts, indicating that alcohol may worsen diabetes management by elevating glucose levels.
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There has been little data on the prevalence of supplement use and the characteristics of the dietary supplement users in the Republic of Korea. This study presents the prevalence and the details of any dietary supplement use and the characteristics of the adults who use dietary supplements in the Republic of Korea. Between May 18 and June 16, 2006, nationwide and population-weighted personal interviews with 6,201 adult aged from 30 to 69 years were conducted and the final sample consisted of 3,000 people with a 49.

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Several lines of evidence from previous studies suggest that Calcium (Ca) and Magnesium (Mg) may be involved in intracellular and interneuronal processes associated with affective disorders. However, there have been inconsistent results on the effect of Ca and Mg on depressive mood disorder. This cross-sectional study was conducted to determine whether serum Ca and Mg levels, as well as serum Ca/Mg ratio, are associated with mental health in relatively healthy, adult women without psychiatric disorders.

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This study examined the efficacy and safety of nifedipine sustained release (nifedipine SR) compared with Ginkgo biloba extract as treatment for primary Raynaud's phenomenon (RP) in Korea. Primary RP were screened and assigned to either the nifedipine SR group (Group N) or the Ginkgo biloba extract group (Group G) in the ratio of 2:1. After a run-in period of 2 weeks, patients received treatment for 8 weeks.

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Background And Aims: Some minerals have been associated with bone mineral density (BMD) in postmenopausal women or people with certain chronic diseases, but the results have been inconsistent. This study aimed to evaluate the association of serum and hair levels of calcium and magnesium with BMD in premenopausal women.

Methods: This cross-sectional study of 104 premenopausal volunteers recruited from out-patient clinics and a health promotion center in a university hospital in Seoul, Korea evaluated the association of serum and hair minerals with BMD in premenopausal women.

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Studies of interleukin-6 (IL-6) and C-reactive protein (CRP) as predictors of atherosclerosis have had mixed results. The purpose of this study was to assess the associations of IL-6 and CRP with the severity of subclinical carotid atherosclerosis measured 12 years later. Participants were 392 adults (56.

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