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        Relationship between Changes in Fatigue and Exercise by Follow-Up Period

        Seung-Min Oh,Woo Kyung Bae,Seryung Choo,Hee-Tae Kim,Hyun Ho Kim,Sang-Hyun Lee,Hansol Jeong 대한가정의학회 2016 Korean Journal of Family Medicine Vol.37 No.2

        Background: Fatigue is one of the most common presenting symptoms in primary care in Korea. In this study, weaimed to determine the effect of exercise intervention on the severity of fatigue of unknown medical cause during aperiod of follow-up. Methods: We used the data collected from an outpatient fatigue clinic in Seoul National University Bundang Hospital. The study was conducted from March 3, 2010 to May 31, 2014. We measured the body mass index of each patientand evaluated variables including lifestyle factors (smoking, alcohol consumption, and regular exercise),quality of sleep, anxiety, depression, stress severity, and fatigue severity using questionnaires. A total of 152 participantswho completed questionnaires to determine changes in fatigue severity and the effect of exercise for each periodwere evaluated. We used univariate analysis to verify possible factors related to fatigue and then conductedmultivariate analysis using these factors and the literature. Results: Of 130 patients with the complaint of chronic fatigue for over 6 months, over 90 percent reported moderateor severe fatigue on the Fatigue Severity Scale and Brief Fatigue Inventory questionnaires. The fatigue severityscores decreased and fatigue improved over time. The amount of exercise was increased in the first month, but decreasedafterwards. Conclusion: There was no significant relationship between changes in the amount of exercise and fatigue severityin each follow-up period. Randomized controlled trials and a cohort study with a more detailed exercise protocolin an outpatient setting are needed in the future.

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        Prevalence of Chronic Obstructive Lung Disease in Korea Using Data from the Fifth Korea National Health and Nutrition Examination Survey

        Hwayeon Park,정세영,Kiheon Lee,Woo Kyung Bae,이기헌,한종수,Sarah Kim,Seryung Choo,Jin-Mook Jeong,Hyun-Ray Kim,Hyun Jung Ro,Hansol Jeong 대한가정의학회 2015 Korean Journal of Family Medicine Vol.36 No.3

        Background: Chronic obstructive pulmonary disease (COPD) is the fifth leading cause of death worldwide. The awareness and treatment rate of the disease are low despite its relatively high prevalence. With the added data, this study aimed to identify changes in prevalence and risk factors of COPD using the data from the 5th KNHNES. Methods: The subjects of this study were 8,969 individuals aged 40 and older who satisfied suitability and reproducibility for pulmonary function tests. The prevalence, awareness and risk factors of COPD were predicted based on the questionnaires on gender, age, educational level, income level, smoking history, body mass index (BMI) and other COPD related questions. Results: Diagnosis of COPD was based on the airflow limitation (forced expiratory volume in one second/forced vital capacity <0.7) of the Global Initiative for Chronic Obstructive Lung Disease (GOLD) criteria. The prevalence of COPD from 2010 to 2012 was 13.7%, of which 23.3% was men and 6.5% women. The prevalence was on the rise, with 12.2% in 2010, 13.2% in 2011, and 15.5% in 2012. In GOLD stage 1, the percentages of those who had cough or sputum and smoking history were 12.1% and 75.5%, respectively, but only 0.1% was diagnosed with COPD. Even after adjusting for asthma and tuberculosis, men, old age, larger amount of smoking were linked with a higher prevalence of COPD, and obese and higher educational level were associated with a lower prevalence of COPD. Conclusion: The prevalence of COPD in Korea has been increasing every year, and a higher prevalence was associated with male, older age, more amount of smoking, lower educational level and lower BMI.

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