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RISS 인기검색어
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- 저자 : Voutilainen Ari (검색결과 2 건)
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Voutilainen Ari,Setti Mounir Ould,Tuomainen Tomi-Pekka 대한남성과학회 2021 The World Journal of Men's Health Vol.39 No.4
Purpose: To estimate the maximum mass-specific oxygen uptake (VO2max) from the ratio of the heart rate at maximal exercise (HRmax) to heart rate at rest (HRrest) in middle-aged men. VO2max is an essential measure of cardiorespiratory fitness, but it is difficult to utilize in clinical practice. The proportionality factor HRmax to HRrest is known to approximate 15 in young welltrained adults. Presumably, the same value is inaccurate for middle-aged men. Materials and Methods: Six-hundred thirty-four men belonging to the Kuopio Ischaemic Heart Disease Risk Factor Study. Their mean age, body mass index (BMI), the daily total physical activity (TPA), VO2max, HRmax, and HRrest were: 49.4±6.4 years, 26.3±3.2 kg/m2, 48.5±10.1 metabolic equivalent hours per day, 33.7±7.6 mL/min/kg, 170.1±15.4 beats/min, and 63.3±10.8 beats/min. They included never-smokers 38%, former smokers 29%, and current smokers 33%. Results: The proportionality factor HRmax to HRrest in around 50-year-old men approximated 12. One year in age, one step change in BMI (normal weight, overweight, obese), smoking status (never, former, current), and TPA (moderately active, active, highly active) reduced the proportionality factor by 0.1, 0.6, 0.4, and 0.1, respectively. The proportionality factor in obese or current smoking middle-aged men was one point lower compared to normal weight or never-smoking peers. This corresponds to approximately 10 years in chronological age. Conclusions: In around 50-year-old men with no cardiovascular diseases, bronchial asthma, or cancer, the HRmax to HRrest ratio should be multiplied by approximately 12 to estimate VO2max. BMI and smoking status can be considered in calculations to improve accuracy.
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Mounir Ould Setti,Ari Voutilainen,Tomi-Pekka Tuomainen 한국역학회 2021 Epidemiology and Health Vol.43 No.-
OBJECTIVES: Renal hyperfiltration (RHF) and fatty liver are separately associated with adverse health outcomes. In this study, we investigated the mortality hazard of coexisting RHF and fatty liver. METHODS: Middle-aged men from the Kuopio Ischaemic Disease Risk Factor Study (n=1,552) were followed up for a median of 29 years. Associations among RHF, fatty liver index (FLI) score, age, body mass index, smoking status, alcohol consumption, and hypertension status were assessed using logistic regression. Cox proportional hazards models were used to determine the hazard ratios (HRs) for all-cause and cardiovascular disease (CVD) mortality with respect to RHF and fatty liver. RESULTS: Of the men, 5% had RHF (n=73), whereas a majority had fatty liver (n=848). RHF was associated specifically with smoking, and fatty liver was associated specifically with overweight. The all-cause mortality hazard was highest (HR, 1.96; 95% confidence interval [CI], 1.27 to 3.01) among men with RHF and fatty liver (n=33). Among men with RHF but normal FLI (n=40), the HR of all-cause mortality was 1.67 (95% CI, 1.15 to 2.42). Among men with fatty liver but a normal estimated glomerular filtration rate (n=527), the HR of all-cause mortality was 1.35 (95% CI, 1.09 to 1.66). CVD mortality hazard was associated with RHF, but not fatty liver. We detected no interaction effect between RHF and fatty liver for all-cause (synergy index, 0.74; 95% CI, 0.21 to 2.67) or CVD (synergy index, 0.94; 95% CI, 0.34 to 2.60) mortality. CONCLUSIONS: RHF and fatty liver are independently associated with all-cause and CVD mortality.
KCI
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