Alcohol and Steatotic Liver Disease Exhibit Divergent Associations with High Plasma Small Dense LDL-C Concentration.
cross_sectional · Level IV
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- Record sourced from PubMed, PMID 42319754.
- Also identified by DOI 10.1210/clinem/dgag234.
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Abstract
Within the metabolic dysfunction-associated steatotic liver disease (MASLD)/MASLD with increased alcohol intake (MetALD)/alcohol-associated liver disease (ALD) framework, cardiovascular risk varies by alcohol exposure. As small dense low-density lipoprotein cholesterol (sdLDL-C) is highly atherogenic, this study assessed the relative effects of steatotic liver disease (SLD) and alcohol consumption on sdLDL-C elevation and the effects of conventional fasting lipids [low-density lipoprotein cholesterol (LDL-C)/high-density lipoprotein cholesterol (HDL-C)/triglycerides (TGs)] on these associations. This cross-sectional study enrolled 55,745 participants who underwent health screenings in Niigata, Japan between April 2024 and March 2025. Alcohol consumption was self-reported as low, moderate, or excessive. Participants were grouped by SLD status and alcohol consumption. sdLDL-C was directly measured, with high sdLDL-C defined as ≥35 mg/dL. Multivariable linear regression (sdLDL-C) and logistic regression (high sdLDL-C) analyses used two models: model 1 was adjusted for age, sex, body mass index, smoking, lipid-lowering medication, antihypertensive medication, and diabetes, and model 2 was further adjusted for LDL-C, HDL-C, and TGs. Marginal standardized prevalence and standardized prevalence differences (PDs) were estimated using g-computation with 2000 bootstrap iterations. The crude prevalence of high sdLDL-C was influenced by SLD and alcohol consumption, being highest in the SLD(+)/excessive alcohol consumption group (76.4%). In model 2, SLD-related associations were attenuated, whereas alcohol-related associations remained robust, as the PD was lower for SLD(+) than for SLD(-) within each alcohol category. Alcohol exposure contributes to an atherogenic sdLDL-C phenotype beyond conventional fasting lipids within contemporary SLD categories, indicating potential relevance for risk profiling in MetALD/ALD.