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Regulating myocardial blood flow in health and disease
1Nuclear Cardiology/Yawkey 5E, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA. hgewirtz@partners.org
Insights
Understanding myocardial blood flow regulation is key for clinicians. This review covers normal physiology and disease states to improve diagnosis and treatment of coronary circulation abnormalities.
Area of Science:
- Cardiology
- Physiology
Background:
- Myocardial blood flow regulation is complex.
- Understanding its control mechanisms is crucial for clinical practice.
Purpose of the Study:
- To provide clinicians with fundamental principles of myocardial blood flow regulation.
- To review normal physiologic control and disease-related alterations.
Main Methods:
- Review of classical and contemporary scientific literature.
- Synthesis of information on myocardial blood flow regulation.
Main Results:
- Detailed explanation of physiological control mechanisms.
- Discussion of regulatory alterations in common cardiovascular diseases.
Conclusions:
- Enhanced understanding of myocardial blood flow regulation aids in diagnosing and treating coronary circulation issues.
- Improved clinical management of ischemic heart disease, diabetes, dyslipidemia, hypertension, and heart failure.
Abstract:
Regulating myocardial blood flow in health and disease is a complex, multifaceted process. The objective of this article is to outline for the practicing clinician a basic set of principles necessary for understanding important control mechanisms operative under normal physiologic conditions and in selected common disease states. Classical and newer insights into the process of myocardial blood flow regulation are reviewed. An improved understanding of these control mechanisms will enhance the clinician's ability to diagnose and treat abnormalities of the coronary circulation associated with such common clinical conditions as ischemic heart disease, diabetes, dyslipidemia, hypertension, and congestive heart failure.
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