Alcohol consumption and blood lipids in elderly coronary patients

Hilda J I de Jong1, Janette de Goede, Linda M Oude Griep

  • 1Division of Human Nutrition, Wageningen University, 6700 EV Wageningen, The Netherlands.

Insights

Moderate alcohol intake may increase high-density lipoprotein cholesterol (HDLC) in men with coronary heart disease (CHD). This effect appears linked to ethanol itself, not other beverage components, warranting further investigation.

Area of Science:

  • Cardiovascular Medicine
  • Nutritional Science
  • Epidemiology

Background:

  • Alcohol consumption's impact on coronary heart disease (CHD) is debated, potentially mediated by high-density lipoprotein cholesterol (HDLC).
  • Limited data exists on alcohol intake and blood lipids specifically within coronary patient populations.

Purpose of the Study:

  • To investigate the association between total ethanol intake and specific beverage consumption with blood lipid levels in older patients diagnosed with CHD.
  • To determine if alcohol consumption influences high-density lipoprotein cholesterol (HDLC) in post-myocardial infarction patients.

Main Methods:

  • A study involving 1052 myocardial infarction patients (aged 60-80 years, 78% male) who underwent blood lipid measurements.
  • Dietary intake, including total ethanol and macronutrients, was assessed using a food frequency questionnaire.
  • Statistical analyses adjusted for dietary factors, lifestyle, and established CHD risk factors.

Main Results:

  • Total ethanol intake showed a positive association with HDLC in men (P = .024) but not significantly in women (P = .560).
  • Liquor consumption was weakly associated with increased HDLC in men (P = .045).
  • While beer (men) and wine (women) showed positive trends, these were not significant after full adjustment.

Conclusions:

  • Moderate alcohol consumption, particularly ethanol, may contribute to elevated HDLC levels in treated post-myocardial infarction patients.
  • The findings suggest ethanol, rather than other components in alcoholic beverages, might be responsible for the observed HDLC elevation.
  • Further research is recommended to explore the specific effects of residual substances in different alcoholic beverages on HDLC.

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