Dataset Information

Comparison of the effect of light alcohol consumption on Japanese men with and without fatty liver.

ABSTRACT: Light and moderate drinking is associated with lower risk of metabolic syndrome (Mets)-related diseases in the general population. Non-alcoholic fatty liver disease (NAFLD) is considered to be a phenotype of Mets in the liver. Although there have been some reports of the association between NAFLD and light alcohol consumption (LAC), the association between Mets-related diseases and LAC in the subjects with and without fatty liver is unclear. Therefore, this study aimed to determine the influence of LAC on Mets-related diseases in individuals with and those without fatty liver. This study included 1,190 men who underwent regular health check-ups and consumed <20 g/day of alcohol. The subjects were divided into two groups, the non-fatty liver group and fatty liver group, and investigated the association between Mets-related diseases and LAC. Fatty liver was diagnosed by abdominal ultrasound. The effect of LAC was different between the non-fatty liver and fatty liver groups. In the non-fatty liver group, the odds ratio (OR) for hypertension was 1.73 (1.04-2.88;2 P=0.035). In the fatty liver group, the OR for each Mets-related diseases were as follows: Dyslipidemia, 0.64 (0.44-0.95, P=0.028); impaired glucose tolerance 0.57 (0.37-0.88; P=0.012); chronic kidney disease, 0.58 (0.36-0.94; P=0.029); and Mets by Japanese criteria, 0.63 (0.44-0.92; P=0.016). The influence of LAC on Mets-related diseases differs based on the presence of fatty liver. In individuals without fatty liver, light drinking is an independent risk factor for hypertension.

SUBMITTER: Hara T

PROVIDER: S-EPMC6792334 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Comparison of the effect of light alcohol consumption on Japanese men with and without fatty liver.

Hara Tasuku T Seko Yuya Y Iwai Naoto N Inada Yutaka Y Tsuji Toshifumi T Okuda Takashi T Komaki Toshiyuki T Itoh Yoshito Y Kagawa Keizo K

Biomedical reports 20190920 5

Light and moderate drinking is associated with lower risk of metabolic syndrome (Mets)-related diseases in the general population. Non-alcoholic fatty liver disease (NAFLD) is considered to be a phenotype of Mets in the liver. Although there have been some reports of the association between NAFLD and light alcohol consumption (LAC), the association between Mets-related diseases and LAC in the subjects with and without fatty liver is unclear. Therefore, this study aimed to determine the influence ...[more]

PMID: 31632666

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Project description:The prevalence of nonalcoholic fatty liver disease (NAFLD) is estimated to be 26.3% among the US population. A subset of this population exhibits an aggressive histological phenotype, nonalcoholic steatohepatitis (NASH) with ? stage 2 fibrosis, which may progress to cirrhosis. The definition of NAFLD excludes excessive alcohol intake, which is well known to cause alcoholic liver disease and will not be discussed here. Most NAFLD clinical trials use ~14 drinks per week as the cutoff for excessive alcohol intake. Alcohol consumption below this threshold, which we define as moderate alcohol consumption, is common in the US. According to the 2012 Behavioral Risk Factor Surveillance System (BRFSS), 56% of the US adult population consume alcohol, but only 8.2% report drinking heavily and 18.3% report binge drinking. The American Association for the Study of Liver Diseases (AASLD) Practice Guidance of 2018 states that there are insufficient data to make a recommendation with regard to moderate alcohol consumption in patients with NAFLD, citing a lack of longitudinal studies that examine the impact of moderate alcohol consumption on disease progression and its extrahepatic harms versus benefits, specifically in individuals with established NAFLD. NAFLD prevalence studies have generally noted a negative correlation between modest alcohol consumption and NAFLD. However, prevalence studies have limited application to patients with established NAFLD who present to the clinic. There can also be many confounding factors, because modest alcohol consumption is also negatively associated with some NAFLD risk factors, and those risk factors may not be adequately adjusted for in analyses. The prevalence of NASH with significant fibrosis (? F2) is more important because this is the group that is believed to have progressive disease. Thus, cohort studies of disease progression are more important from the patient's standpoint. Because these patients have already developed NAFLD or NASH, their interest lies in their odds of disease progression if they have moderate alcohol consumption compared to abstinence. It is also noteworthy that cardiovascular disease is the most important cause of death among patients with NAFLD. Moderate alcohol consumption has been associated with a reduction in overall mortality, but mostly in cardiovascular mortality. However, this protective effect has not been demonstrated specifically in patients with NAFLD.

Project description:Background & aimsModerate alcohol intake is associated with reduced prevalence or incidence of fatty liver. However, whether or not the association is independent of dietary patterns remains unclear. We aimed to evaluate the cross-sectional association of alcohol intake with fatty liver after accounting for dietary patterns and obesity.MethodsWe assessed 4579 adults aged 30-79 years who participated in routine clinical examinations in St. Luke's International Hospital, Japan (January to March, 2015). We assessed their habitual diet using diet-history questionnaire, estimated alcohol intake, and derived dietary pattern variables using factor analysis. Fatty liver was ascertained using ultrasonography. Linear and U-shaped associations of alcohol intake with fatty liver were evaluated using Poisson regression, and a post hoc analysis was conducted after detecting potential outliers for alcohol intake and excluding them using sex-specific statistics (median plus 2 × interquartile range).ResultsFatty liver was ascertained in 1120 participants (24.5%). Whereas no significant association of alcohol intake with fatty liver was observed when potential outliers of alcohol intake were included (p = 0.25), a significant U-shaped association was observed after excluding the outliers with and without adjustment for dietary patterns (p = 0.003 and 0.02, respectively). The lowest prevalence was estimated when alcohol consumption was approximately 7% of energy, with a prevalence ratio of 0.72 (95% confidence interval = 0.59-0.86) compared to non-drinkers. The association became imprecise and attenuated toward the null after further adjustment for body mass index (p = 0.06).ConclusionsAlcohol intake showed a U-shaped association with fatty liver prevalence. This association was independent of underlying dietary patterns, while it was sensitive to excessive alcohol intake and obesity status, providing clinical implications for the prevention of fatty liver.

Dataset Information

Comparison of the effect of light alcohol consumption on Japanese men with and without fatty liver.

Publications

Comparison of the effect of light alcohol consumption on Japanese men with and without fatty liver.

Similar Datasets

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