Related Experiment Video
Updated: May 12, 2026

Testing Acetylcholine Followed by Adenosine for Invasive Diagnosis of Coronary Vasomotor Disorders
Published on: February 3, 2021
Adenosine diphosphate receptor blockade in coronary intervention
1Department of Cardiology, University of North Carolina, CB #7075, 338 Burnett-Womack Bldg., Chapel Hill, NC 27599-7075, USA. steven_steinhubl@med.unc.edu
Adenosine diphosphate (ADP) receptor inhibitors reduce cardiac events before percutaneous coronary intervention (PCI). This review examines optimal timing, dosage, and combination therapies for these crucial antiplatelet agents.
Area of Science:
- Cardiology
- Pharmacology
- Interventional Cardiology
Background:
- Adenosine diphosphate (ADP) receptor inhibitors, including thienopyridines like clopidogrel and ticlopidine, are vital in preventing major adverse cardiac events.
- Their use before percutaneous coronary intervention (PCI) is established, but optimal management strategies require further clarification.
Purpose of the Study:
- To review current data on the optimal use of ADP receptor inhibitors in the context of PCI.
- To address remaining questions regarding administration timing, dosage, and the role of adjunctive therapies.
Main Methods:
- Review of recent and ongoing clinical studies.
- Analysis of data addressing efficacy and safety of ADP receptor inhibitors around PCI procedures.
Main Results:
- Established benefits of ADP receptor inhibitors in reducing major adverse cardiac events post-PCI.
- Identified ongoing research addressing optimal timing, dosing, and combination therapy strategies.
Conclusions:
- ADP receptor inhibitors are essential for patients undergoing PCI.
- Further research is ongoing to refine optimal treatment protocols, including timing, dosage, and combination therapies, to maximize patient outcomes.
Related Concept Videos
Antiarrhythmic Drugs: Class IV Agents as Calcium Channel Blockers
Verapamil, a calcium channel blocker, inhibits calcium movement across myocardial cell membranes and vascular smooth muscle. This results in the dilation of coronary and...
Antiarrhythmic Drugs: Class III Agents as Potassium Channel Blockers
Antianginal Drugs: Calcium Channel Blockers and Ranolazine
CCBs, a diverse class that includes dihydropyridines (nifedipine) and diphenylalkylamines (verapamil and diltiazem), exert their effect by blocking calcium channels in cardiac and smooth muscle cells. This...
Antiarrhythmic Drugs: Class II Agents as β-Adrenergic Blockers
Coronary Artery Disease V: Interprofessional Care
Antihypertensive Drugs: Action of Calcium Channel Blockers

