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Background: Serum gamma-glutamyltransferase has been recognized as the risk factor of cardiovascular and metabolic diseases. However, the association between serum gamma-glutamyltransferase and the risk of chronic kidney disease is not well known, and no prospective studies have examined separately the relationship of serum gamma-glutamyltransferase with the risk of proteinuria versus that of low estimated glomerular filtration rate (eGFR)., Methods: We prospectively followed 9,341 Japanese men who did not have low eGFR, proteinuria, or diabetes, and did not take antihypertensive medications at entry for the analysis of proteinuria, and we followed 9,299 men for the analysis of low eGFR. We defined "persistent proteinuria" as proteinuria detected two or more times consecutively and persistently as ≥1+ on urine dipstick at the annual check-up until the end of follow-up. Low eGFR was defined as eGFR <60 mL/min/1.73 m 2 ., Results: During the 11-year observation period, 151 men developed persistent proteinuria and 1,276 men developed low eGFR. In multivariate models, the highest quartile (≥71 IU/L) of serum gamma-glutamyltransferase was independently related to the development of persistent proteinuria (hazard ratio 3.39; 95% confidence interval, 1.92-5.97) compared with the lowest quartile (≤25 IU/L). In joint analysis of alcohol consumption and serum gamma-glutamyltransferase, non-drinkers in the highest tertile (≥58 IU/L) of serum gamma-glutamyltransferase had the highest risk of persistent proteinuria. However, there was no association between serum gamma-glutamyltransferase and low eGFR., Conclusion: In middle-aged Japanese men, elevated serum gamma-glutamyltransferase was independently associated with future persistent proteinuria, but not with low eGFR.

Background: Previous studies showed that higher serum uric acid levels increased the risk of chronic kidney disease (CKD), but moderate alcohol consumption decreased it. The comparative importance of serum uric acid levels and habitual alcohol consumption as risk factors for CKD remain undefined. We therefore evaluated the relationship of baseline serum uric acid level in combination with daily alcohol consumption to the incidence of CKD., Methods: A prospective cohort study of 9,116 middle-aged nondiabetic -Japanese men without CKD nor proteinuria who were not taking antihypertensive medications nor urate-lowering medications at entry. CKD was defined as estimated glomerular filtration rate <60 mL/min/1.73 m2. We investigated the relationship of baseline serum uric acid level in combination with daily alcohol consumption to the incidence of CKD during an 11-year observation period. Daily alcohol consumption was classified into 4 groups: nondrinkers, light drinkers (0.1-23.0 g ethanol/day), moderate drinkers (23.1-46.0 g ethanol/day), and heavy drinkers (≥46.1 g ethanol/day). Cox proportional hazards models were used in multivariate analysis., Results: During the 79,361 person-years follow-up period, a total of 1,230 subjects developed CKD. In multivariate models, higher serum uric acid levels increased risk of CKD; and moderate daily alcohol consumption decreased the risk. Multiple-adjusted hazard ratios of CKD were 1.38 (95% CI 1.11-1.70), 1.58 (95% CI 1.28-1.95), 2.27 (95% CI 1.86-2.77), and 3.12 (95% CI 2.56-3.81) for quintile 2, quintile 3, quintile 4, and quintile 5 of serum uric acid levels, respectively, compared with quintile 1, and that for moderate drinkers was 0.55 (95% CI 0.46-0.66) compared with nondrinkers. In the joint analysis of alcohol consumption and serum uric acid, moderate drinkers with the lowest tertile of serum uric acid levels had the lowest risk of CKD, but nondrinkers with the highest tertile of serum uric acid levels had the highest risk of CKD., Conclusions: Serum uric acid level and daily alcohol consumption were independently associated with the risk of CKD. Nondrinkers with the highest serum uric acid level had the highest risk of CKD., (© 2019 S. Karger AG, Basel.)

Background: Moderate alcohol consumption has been reported to be associated with a decreased risk of cardiometabolic diseases. Whether drinking pattern is associated with the risk of proteinuria is unknown., Methods: Study subjects were 9154 non-diabetic Japanese men aged 40-55 years, with an estimated glomerular filtration rate ≥60 mL/min/1.73 m(2), no proteinuria, and no use of antihypertensive medications at entry. Data on alcohol consumption were obtained by questionnaire. We defined "consecutive proteinuria" as proteinuria detected twice consecutively as 1+ or higher on urine dipstick at annual examinations., Results: During the 81 147 person-years follow-up period, 385 subjects developed consecutive proteinuria. For subjects who reported drinking 4-7 days per week, alcohol consumption of 0.1-23.0 g ethanol/drinking day was significantly associated with a decreased risk of consecutive proteinuria (hazard ratio [HR] 0.54; 95% confidence interval [CI], 0.36-0.80) compared with non-drinkers. However, alcohol consumption of ≥69.1 g ethanol/drinking day was significantly associated with an increased risk of consecutive proteinuria (HR 1.78; 95% CI, 1.01-3.14). For subjects who reported drinking 1-3 days per week, alcohol consumption of 0.1-23.0 g ethanol/drinking day was associated with a decreased risk of consecutive proteinuria (HR 0.76; 95% CI, 0.51-1.12), and alcohol consumption of ≥69.1 g ethanol/drinking day was associated with an increased risk of consecutive proteinuria (HR 1.58; 95% CI, 0.72-3.46), but these associations did not reach statistical significance., Conclusions: Men with frequent alcohol consumption of 0.1-23.0 g ethanol/drinking day had the lowest risk of consecutive proteinuria, while those with frequent alcohol consumption of ≥69.1 g ethanol/drinking day had an increased risk of consecutive proteinuria.

Background/aims: The association between alcohol consumption and the risk of chronic kidney disease (CKD) has been reported. What is not known is whether drinking pattern combined with the weekly frequency of alcohol consumption and the quantity per drinking day is associated with the risk of CKD., Methods: We enrolled 9,112 Japanese nondiabetic men aged 40 to 55 years with absence of proteinuria, an estimated glomerular filtration rate (eGFR) of 60 ml/min/1.73 m(2) or higher, and not on antihypertensive medications at baseline. CKD was defined if eGFR was <60 ml/min/1.73 m(2). The weekly frequency classification was nondrinkers, 1-3 drinking days/week, or 4-7 drinking days/week. The quantity consumed per drinking day was classified as 0.1-23.0 g ethanol/drinking day, 23.1-46.0 g ethanol/drinking day, 46.1-69.0 g ethanol/drinking day, and ≥69.1 g ethanol/drinking day., Results: During the 79,099 person-years, 1,253 subjects developed CKD. Compared to nondrinkers, those who consumed 23.1-46.0 or 46.1-69.0 g ethanol/drinking day on 4-7 drinking days/week had a decreased risk of CKD (multiple-adjusted hazard ratio (HR) 0.62 (0.52-0.74) and 0.76 (0.59-0.97), respectively). The association between the quantity per drinking day and the incidence of CKD was U-shaped among each category of the weekly frequency. HRs within similar categories of quantity per drinking day were lower in the 4-7 drinking days/week group than in the 1-3 drinking days/week group., Conclusion: Among middle-aged Japanese men, the people who drank middle-range quantity, specifically who drank 4-7 days/week, had lower risk of CKD than nondrinkers., (© 2014 S. Karger AG, Basel.)

Background: Moderate alcohol consumption is associated with a decreased risk of type 2 diabetes. However, the relationship between drinking patterns, such as the weekly frequency of alcohol consumption and the quantity per drinking day, and the incidence of type 2 diabetes has not been sufficiently addressed., Methods: Study participants included 10 631 Japanese men aged 40-55 years without type 2 diabetes at entry. Type 2 diabetes was diagnosed if a fasting plasma glucose level was ≥7.0 mmol/l or if participants were taking diabetes medications. Data on alcohol consumption were obtained from questionnaires., Results: During the 37 172 person-years of follow-up, we confirmed 878 cases of type 2 diabetes. Frequent alcohol consumption was associated with a low risk of type 2 diabetes. Compared to non-drinkers, the multiple-adjusted HR for those who drank 4-7 days weekly was 0.76 (95% CI, 0.63 to 0.92). To assess the association between drinking pattern and type 2 diabetes, we examined the joint association of the weekly frequency and the quantity per drinking day with type 2 diabetes. Men who consumed 0.1-2.0 or 2.1-4.0 US standard drinks per drinking day on 4-7 days weekly had a lower risk of type 2 diabetes (HR 0.74, 95% CI 0.58 to 0.95; HR 0.74, 95% CI 0.60 to 0.91, respectively) compared to non-drinkers., Conclusions: More frequent alcohol consumption lowered the risk of type 2 diabetes. Light to moderate alcohol consumption per drinking day on 4-7 days weekly lowered the risk of type 2 diabetes compared to non-drinkers.

Objective: It has been reported that moderate alcohol consumption decreased the risk of type 2 diabetes but that elevated liver enzymes increased it. The comparative importance of alcohol consumption and liver enzymes as predictors of type 2 diabetes remains unconfirmed., Research Design and Methods: The participants included 8,576 Japanese men, aged 40-55 years, without type 2 diabetes at entry. Type 2 diabetes was diagnosed if a fasting plasma glucose level was >or=126 mg/dl or if participants were taking oral hypoglycemic medications or insulin., Results: During the 4-year follow-up period, we confirmed 878 cases. In multivariate models, moderate daily alcohol consumption (16.4-42.6 g ethanol/day) decreased the risk of type 2 diabetes, and higher levels of gamma-glutamyltransferase (GGT) and alanine aminotransferase (ALT) increased the risk. In joint analyses of alcohol consumption and liver enzymes, moderate drinkers with the lowest tertile of GGT had the lowest risk of type 2 diabetes. Compared with them, nondrinkers with the highest GGT had the highest risk of type 2 diabetes (odds ratio 3.18 [95% CI 1.75-5.76]). At every level of GGT, moderate or heavy alcohol drinkers (>or=42.7 g ethanol/day) had a lower risk of type 2 diabetes than nondrinkers. The relationship of ALT and daily alcohol consumption with the risk of type 2 diabetes was almost the same as that of GGT., Conclusions: GGT, ALT, and daily alcohol consumption were independently associated with the risk of type 2 diabetes. Nondrinkers with the highest GGT or ALT had a high risk of type 2 diabetes.

Background/Aims: The association between alcohol consumption and the risk of chronic kidney disease (CKD) has been reported. What is not known is whether drinking pattern combined with the weekly frequency of alcohol consumption and the quantity per drinking day is associated with the risk of CKD. Methods: We enrolled 9,112 Japanese nondiabetic men aged 40 to 55 years with absence of proteinuria, an estimated glomerular filtration rate (eGFR) of 60 ml/min/1.73 m2 or higher, and not on antihypertensive medications at baseline. CKD was defined if eGFR was <60 ml/min/1.73 m2. The weekly frequency classification was nondrinkers, 1-3 drinking days/week, or 4-7 drinking days/week. The quantity consumed per drinking day was classified as 0.1-23.0 g ethanol/drinking day, 23.1-46.0 g ethanol/drinking day, 46.1-69.0 g ethanol/drinking day, and ≥69.1 g ethanol/drinking day. Results: During the 79,099 person-years, 1,253 subjects developed CKD. Compared to nondrinkers, those who consumed 23.1-46.0 or 46.1-69.0 g ethanol/drinking day on 4-7 drinking days/week had a decreased risk of CKD (multiple-adjusted hazard ratio (HR) 0.62 (0.52-0.74) and 0.76 (0.59-0.97), respectively). The association between the quantity per drinking day and the incidence of CKD was U-shaped among each category of the weekly frequency. HRs within similar categories of quantity per drinking day were lower in the 4-7 drinking days/week group than in the 1-3 drinking days/week group. Conclusion: Among middle-aged Japanese men, the people who drank middle-range quantity, specifically who drank 4-7 days/week, had lower risk of CKD than nondrinkers. © 2014 S. Karger AG, Basel [ABSTRACT FROM AUTHOR]

Background Moderate alcohol consumption is associated with a decreased risk of type 2 diabetes. However, the relationship between drinking patterns, such as the weekly frequency of alcohol consumption and the quantity per drinking day, and the incidence of type 2 diabetes has not been sufficiently addressed. Methods Study participants included 10 631 Japanese men aged 40e55 years without type 2 diabetes at entry. Type 2 diabetes was diagnosed if a fasting plasma glucose level was $7.0 mmol/l or if participants were taking diabetes medications. Data on alcohol consumption were obtained from questionnaires. Results During the 37 172 person-years of follow-up, we confirmed 878 cases of type 2 diabetes. Frequent alcohol consumption was associated with a low risk of type 2 diabetes. Compared to non-drinkers, the multiple-adjusted HR for those who drank 4e7 days weekly was 0.76 (95% CI, 0.63 to 0.92). To assess the association between drinking pattern and type 2 diabetes, we examined the joint association of the weekly frequency and the quantity per drinking day with type 2 diabetes. Men who consumed 0.1e2.0 or 2.1e4.0 US standard drinks per drinking day on 4e7 days weekly had a lower risk of type 2 diabetes (HR 0.74, 95% CI 0.58 to 0.95; HR 0.74, 95% CI 0.60 to 0.91, respectively) compared to non-drinkers. Conclusions More frequent alcohol consumption lowered the risk of type 2 diabetes. Light to moderate alcohol consumption per drinking day on 4e7 days weekly lowered the risk of type 2 diabetes compared to non-drinkers. [ABSTRACT FROM AUTHOR]

The article discusses a study on the relationship between walking to work and the development of type 2 diabetes in Japanese men. It mentions that studies revealed that physical activity is effective in preventing diabetes. Men were examined based on their leisure-time physical activity, smoking habits and alcohol intake. The result of the study provided evidence that duration of the walk going to work has an independent effect on the risk of type 2 diabetes.