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Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
Adenosine in Interventional Cardiology: Physiopathologic and Pharmacologic Effects in Coronary Artery Disease
Enrico Marchi1, Iacopo Muraca2, Martina Berteotti3
1Department of Experimental and Clinical Medicine, School of Human Health Sciences, Careggi University Hospital, University of Florence, 50134 Florence, Italy.
Insights
Adenosine plays a key role in diagnosing and treating coronary artery disease (CAD). Understanding its mechanisms is vital for effective cardiovascular patient management and therapeutic strategies.
Area of Science:
- Cardiovascular Physiology
- Pharmacology
- Diagnostic Medicine
Background:
- Adenosine, an endogenous purine nucleoside, is integral to cardiovascular function.
- It influences vasomotor tone, blood pressure, heart rate, and platelet aggregation via specific receptors.
- Adenosine's role extends to both physiological processes and pathological conditions in the cardiovascular system.
Purpose of the Study:
- To review the multifaceted role of adenosine in coronary artery disease (CAD).
- To explore adenosine's diagnostic applications and therapeutic potential in managing cardiovascular conditions.
- To elucidate adenosine's involvement in antiplatelet therapy side effects and its clinical significance.
Main Methods:
- Literature review of scientific articles and clinical studies on adenosine in cardiovascular medicine.
- Analysis of adenosine's physiological and pathological mechanisms.
- Evaluation of adenosine's current and potential clinical applications in CAD diagnosis and treatment.
Main Results:
- Adenosine exhibits therapeutic effects, including managing the no-reflow phenomenon and supraventricular tachycardia.
- Its metabolism is rapid, characterized by a short half-life and high physiological turnover.
- Adenosine is implicated in side effects of antiplatelet agents like ticagrelor and cangrelor.
- Adenosine is a crucial tool in CAD diagnosis, particularly in stress testing and intracoronary assessments for stenosis and microvascular dysfunction.
Conclusions:
- A comprehensive understanding of adenosine's mechanisms is essential for optimizing CAD management.
- Adenosine's dual role in diagnosis and therapy offers significant potential for improving patient outcomes.
- Further research into adenosine's clinical implications can refine treatment strategies for cardiovascular diseases.
Abstract:
This review article focuses on the role of adenosine in coronary artery disease (CAD) diagnosis and treatment. Adenosine, an endogenous purine nucleoside, plays crucial roles in cardiovascular physiology and pathology. Its release and effects, mediated by specific receptors, influence vasomotor function, blood pressure regulation, heart rate, and platelet activity. Adenosine therapeutic effects include treatment of the no-reflow phenomenon and paroxysmal supraventricular tachycardia. The production of adenosine involves complex cellular pathways, with extracellular and intracellular synthesis mechanisms. Adenosine's rapid metabolism underscores its short half-life and physiological turnover. Furthermore, adenosine's involvement in side effects of antiplatelet therapy, particularly ticagrelor and cangrelor, highlights its clinical significance. Moreover, adenosine serves as a valuable tool in CAD diagnosis, aiding stress testing modalities and guiding intracoronary physiological assessments. Its use in assessing epicardial stenosis and microvascular dysfunction is pivotal for treatment decisions. Overall, understanding adenosine's mechanisms and clinical implications is essential for optimizing CAD management strategies, encompassing both therapeutic interventions and diagnostic approaches.
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