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Diabetes mellitus and cardiac function

M A Mahgoub1, A S Abd-Elfattah

  • 1Department of Surgery, Medical College of Virginia, Virginia Commonwealth University, Richmond, USA.

Molecular and Cellular Biochemistry
|April 18, 1998
PubMed
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Diabetic patients face high cardiovascular risks, including atherosclerosis and heart failure. Careful treatment considering metabolic changes is crucial for managing these serious complications.

Area of Science:

  • Cardiology
  • Endocrinology
  • Pharmacology

Background:

  • Cardiovascular complications are the leading cause of death in diabetic patients.
  • Diabetes mellitus exacerbates coronary atherosclerosis, myocardial infarction, heart failure, and left ventricular hypertrophy.
  • Diabetic cardiomyopathy involves diastolic and systolic dysfunction, with altered intracellular ion concentrations.

Purpose of the Study:

  • To review the cardiovascular complications in diabetic patients.
  • To discuss the challenges and considerations in treating cardiovascular issues in diabetes.
  • To examine the effects of specific pharmacological agents on the diabetic heart.

Main Methods:

  • Literature review of cardiovascular complications in diabetes.
  • Analysis of ionic and metabolic changes in diabetic cardiomyopathy.

Related Experiment Videos

  • Evaluation of drug classes like ACE inhibitors, calcium channel blockers, and potassium channel modulators.

    • Main Results:

    • Diabetes accelerates atherosclerosis and increases risks of myocardial infarction, re-infarction, and heart failure.
    • Diabetic cardiomyopathy exhibits early diastolic and later systolic dysfunction with ion imbalances.
    • Potassium channel openers and blockers have complex, sometimes contradictory, effects in animal models and humans regarding preconditioning, infarct size, insulin release, and arrhythmias.

    Conclusions:

    • Cardiovascular treatment in diabetics requires caution due to unique ionic and metabolic alterations.
    • Understanding the nuanced effects of drugs like potassium channel modulators is vital for effective management.
    • Diabetic autonomic neuropathy, particularly parasympathetic dysfunction, contributes to silent ischemia and increased cardiovascular risk.