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Background: Atopic dermatitis (AD) is known to negatively influence the mental health of patients. However, only a few studies have explored the influencing factors for psychiatric problems among adolescents with AD., Objective: To assess the association of AD and suicidal behaviors among adolescents by analyzing data from the 3rd through the 13th annual Korean Youth Risk Behavior Web-based Surveys (completed from 2007 to 2017)., Methods: Survey data were obtained from a stratified, multistage, clustered sample. Students self-reported AD if they had received a diagnosis of AD by a physician. Influencing factors for suicidal behaviors were tested by logistic regression models., Results: A total of 788,411 adolescents completed the survey. The proportion of participants with AD was 22.2%. Those reporting suicide ideation and suicide attempts were 19.0%, and 4.5%, respectively. Compared with adolescents without AD, those with AD were more likely to be female, to skip breakfast less frequently, to exercise less frequently, to drink less alcohol, and to not be current smokers and were statistically significantly more likely to have negative mental health states. In the multivariable model, perceived unhappiness and suicidal ideation were the strongest influencing factors for suicidal ideation (adjusted odds ratio, 4.90; 95% CI, 4.31-5.57) and for suicidal attempts (adjusted odds ratio, 48.01; 95% CI, 42.69-53.09), respectively., Conclusion: Adolescents with AD had a meaningful prevalence of suicidal behaviors. Although further research is needed to clarify this association, adolescents with AD with influencing factors for negative mental health state may need intervention from practitioners who use a multidisciplinary team approach to prevent suicide., (Copyright © 2020 American College of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.)

Experimental studies have demonstrated KLOTHO gene polymorphism might be associated with vascular atherosclerosis and calcification. However, the impact of this genetic variant on human coronary arteries still remains to be elucidated. We investigated the effect of a KLOTHO gene variant on coronary artery stenosis and calcification. Four hundred and thirty-four patients referred for chest pain were enrolled. All the patients underwent coronary angiography and were investigated for polymorphism of the KLOTHO G395A gene. Coronary artery disease (CAD) was defined as > or = 50% diameter stenosis in at least one coronary artery. The other patients were considered to be controls. Homozygotes or heterozygotes for G395A were significantly more common in the CAD patients than in the controls (30.2% versus 21.5%, P = 0.039). In the subgroup aged < 60 years, the G395A mutant was more frequent in CAD than in control (35.3% versus 18.8%, P = 0.016), but in patients > or = 60 years, there was no difference (28.0% versus 24.1%, P = 0.473). Using multivariate analysis, we identified the KLOTHO gene G395A mutant as an independent risk factor of CAD (OR 1.712, 95% CI [1.066-2.749], P = 0.026). The frequency of the KLOTHO gene G395A mutant was not different between the calcified and noncalcified coronary artery groups (25.7%, 26.4%, respectively, P = 0.861) and an A allele carrier state was not an independent risk factor of coronary artery calcification. In conclusion, the KLOTHO gene G395A allele carrier state may be associated with CAD but not with coronary artery calcification in this Korean population.