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Alcohol & diabetes

T F Swade1, N V Emanuele

  • 1Department of Medicine, Loyola University Chicago Stritch School of Medicine, Maywood, Illinois, USA.

Comprehensive Therapy
|February 1, 1997
PubMed
Summary

While single alcohol (ethanol) intakes may benefit diabetic glucose tolerance, daily moderate drinking worsens diabetic control and related complications. More research is needed to weigh alcohol

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Area of Science:

  • Endocrinology
  • Cardiovascular Medicine
  • Metabolic Health

Background:

  • Moderate daily ethanol consumption's impact on diabetes mellitus remains unclear, with conflicting evidence regarding cardiovascular benefits versus adverse effects on glycemic control and diabetic complications.
  • Existing research in mixed populations suggests potential cardiovascular advantages of moderate alcohol intake, but specific implications for diabetic patients require further investigation.

Purpose of the Study:

  • To evaluate the net effect of daily moderate ethanol consumption on diabetic control, including glycemic regulation and the prevalence of specific diabetic complications.
  • To determine if the potential cardiovascular benefits of moderate ethanol intake extend to diabetic individuals, warranting further research into the risk-benefit balance.

Main Methods:

  • Review and synthesis of existing studies examining the effects of single and daily moderate ethanol consumption (0.5-1.0 mg/kg) on glucose tolerance in diabetic populations.
  • Analysis of data correlating moderate ethanol intake with diabetic complications such as impotence, retinopathy, peripheral neuropathy, myocardial infarction, and cardiovascular mortality.
  • Assessment of the risks associated with excessive ethanol consumption, including ketoacidosis, hypertriglyceridemia, and hypoglycemia.

Main Results:

  • Single ethanol intakes do not impair, and may improve, glucose tolerance in individuals with diabetes.
  • Daily moderate ethanol consumption (0.5-1.0 mg/kg) is associated with worsened diabetic control and increased risks of impotence, retinopathy, and potentially peripheral neuropathy.
  • Moderate ethanol consumption is linked to reduced risks of myocardial infarction and cardiovascular mortality in the general population, but its specific benefit in diabetics is uncertain.
  • Excessive ethanol intake can precipitate ketoacidosis, hypertriglyceridemia, and hypoglycemia, leading to increased non-cardiovascular mortality.

Conclusions:

  • The deleterious effects of daily moderate ethanol consumption on diabetic control and complications appear to outweigh potential cardiovascular benefits in diabetic individuals.
  • Given the current data, avoiding daily ethanol consumption is the prudent recommendation for individuals with diabetes.
  • Further research is necessary to definitively ascertain the risk-benefit profile of moderate daily ethanol intake in the diabetic population.

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