4.7 Article

Relation of Alcohol Intake to Kidney Function and Mortality Observational, Population-Based, Cohort Study

期刊

NUTRIENTS
卷 14, 期 6, 页码 -

出版社

MDPI
DOI: 10.3390/nu14061297

关键词

alcohol; wine; eGFR; mortality; epidemiology

资金

  1. Merck, Sharp, and Dohme, Italy
  2. US National Heart, Lung, and Blood Institute [R01HL-40397-02]
  3. Ministero Italiano di Universita e Ricerca [068034, PRIN 2004]

向作者/读者索取更多资源

The effects of alcohol intake on kidney function are still debated. This population-based study examined the association between alcohol intake and kidney function and mortality. The findings suggest a positive independent association between alcohol intake and kidney function, with moderate alcohol consumption associated with lower mortality rates.
Data are conflicting about the effects of alcohol intake on kidney function. This population-based study investigated associations of alcohol intake with kidney function and mortality. The study cohort included adult participants in Exam-1, Exam-2 (6-year follow-up), and Exam-3 (20-year follow-up) of the Gubbio study. Kidney function was evaluated as estimated glomerular filtration rate (eGFR, CKD-Epi equation, mL/min x 1.73 m(2)). Daily habitual alcohol intake was assessed by questionnaires. Wine intake accounted for >94% of total alcohol intake at all exams. Alcohol intake significantly tracked over time (R > 0.66, p < 0.001). Alcohol intake distribution was skewed at all exams (skewness > 2) and was divided into four strata for analyses (g/day = 0, 1-24, 25-48, and >48). Strata of alcohol intake differed substantially for lab markers of alcohol intake (p < 0.001). In multivariable regression, strata of alcohol intake related cross-sectionally to eGFR at all exams (Exam-1: B = 1.70, p < 0.001; Exam-2: B = 1.03, p < 0.001; Exam-3: B = 0.55, p = 0.010) and related longitudinally to less negative eGFR change from Exam-1 to Exam-2 (B = 0.133, p = 0.002) and from Exam-2 to Exam-3 (B = 0.065, p = 0.004). In multivariable Cox models, compared to no intake, intakes > 24 g/day were not associated with different mortality while an intake of 1-24 g/day was associated with lower mortality in the whole cohort (HR = 0.77, p = 0.003) and in the subgroup with eGFR < 60 mL/min x 1.73 m(2) (HR = 0.69, p = 0.033). These data indicate a positive independent association of alcohol intake with kidney function not due to a mortality-related selection.

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