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Related Experiment Videos

The rationale for nitrates in angina pectoris

P Held1, G Olsson

  • 1Astra Hässle AB, Mölndal, Sweden.

The Canadian Journal of Cardiology
|April 1, 1995
PubMed
Summary

Organic nitrates like nitroglycerin effectively manage ischemic heart disease and angina. Strategic dosing prevents tolerance, ensuring long-term benefits and improved patient compliance.

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Area of Science:

  • Cardiology
  • Pharmacology

Background:

  • Organic nitrates are foundational treatments for ischemic heart disease.
  • Commonly used nitrates include nitroglycerin, isosorbide dinitrate, and isosorbide-5-mononitrate.

Purpose of the Study:

  • To review the use of organic nitrates in managing ischemic heart disease.
  • To discuss factors influencing nitrate duration of action and strategies to mitigate tolerance.

Main Methods:

  • Literature review of organic nitrate pharmacology and clinical application.
  • Analysis of factors affecting nitrate efficacy, including formulation and administration route.

Main Results:

  • Nitrates treat acute angina and provide long-term prophylactic effects.
  • Sustained high plasma nitroglycerin levels (>10-12 hours) lead to tolerance.
  • Careful dosing schedules can prevent tolerance and rebound effects.

Conclusions:

  • Optimized dosing of organic nitrates is crucial for sustained efficacy.
  • Well-designed regimens improve patient compliance and therapeutic outcomes in ischemic heart disease.

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