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Ischemic heart disease and magnesium.

B M Altura1

  • 1State University of New York, Health Science Center, Brooklyn.

Magnesium
|January 1, 1988
PubMed
Summary

Ischemic heart disease (IHD) is a leading global killer due to insufficient blood flow. This review explores IHD causes, focusing on magnesium

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Area of Science:

  • Cardiology
  • Biochemistry

Background:

  • Ischemic heart disease (IHD) is a primary cause of mortality worldwide, accounting for 35% of annual deaths in industrialized nations.
  • IHD stems from inadequate myocardial oxygen supply due to reduced coronary blood flow.
  • This condition encompasses various forms, including angina pectoris, variant angina, and sudden death from ischemia.

Purpose of the Study:

  • To review the diverse etiologies of Ischemic Heart Disease (IHD).
  • To examine the role of electrolyte imbalances, particularly magnesium (Mg), in IHD pathogenesis.
  • To highlight Mg's influence on vascular tone, coronary blood flow, and clinical management of IHD.

Main Methods:

  • Literature review focusing on the etiology and pathophysiology of IHD.
  • Examination of evidence linking electrolyte alterations (Mg2+-K+, Mg2+-Ca2+) to IHD.
  • Analysis of Mg's role in vascular regulation and myocardial oxygen supply/demand dynamics.

Main Results:

  • Atherosclerotic obstruction and coronary vasospasm are key etiologic factors in IHD.
  • Alterations in Mg2+-K+ and Mg2+-Ca2+ ratios are implicated in IHD development.
  • Magnesium plays a crucial role in maintaining vascular tone and regulating coronary blood flow.

Conclusions:

  • Judicious administration of magnesium salts may favorably impact the myocardial oxygen supply/demand ratio in IHD patients.
  • Mg supplementation holds potential for reducing myocardial oxygen demand.
  • Understanding electrolyte roles, especially magnesium, is vital for effective IHD management.

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