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Updated: Jun 6, 2026

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
Antiplatelet and antithrombotic treatment after primary percutaneous coronary intervention: balancing safety and
Marco Valgimigli1, Monica Minarelli
1University of Ferrara, Italy and Cardiovascular Research Centre, Salvatore Maugeri Foundation, IRCCS Gussago (BS), Italy. vlgmrc@unife.it
Insights
Antiplatelet therapy reduces vascular events but increases bleeding risk in high-risk patients. Balancing efficacy and safety is crucial for optimal secondary prevention and cardiovascular outcomes.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Antiplatelet therapy is vital for secondary prevention in patients with acute ischemic events and acute coronary syndromes.
- Long-term use reduces vascular events but elevates bleeding risk, potentially worsening outcomes.
Purpose of the Study:
- To discuss the critical balance between antiplatelet therapy efficacy and safety.
- To explore strategies for optimizing antiplatelet treatment in high-risk patients.
Main Methods:
- Review of current evidence on antiplatelet therapy in secondary prevention.
- Discussion of agent selection, combination, and dose optimization.
- Consideration of personalized approaches including genotyping and phenotype assessment.
Main Results:
- Antiplatelet therapy significantly lowers ischemic event risk.
- Increased bleeding risk is associated with intensified regimens, potentially leading to discontinuation.
- A personalized approach is necessary to optimize the risk-benefit ratio.
Conclusions:
- Achieving an optimal balance between preventing ischemic events and minimizing bleeding is essential.
- Tailoring antiplatelet therapy based on individual patient factors improves safety and efficacy.
- Further research and clinical practice should focus on personalized antiplatelet strategies.
Abstract:
Antiplatelet therapy has been shown to significantly reduce the risk of serious vascular events in high-risk patients, including those with a prior acute ischemic event. The long-term use of antiplatelet agents is a key component of secondary prevention measures following acute coronary syndromes, including ST-segment elevation myocardial infarction. While minimizing ischemic recurrences, an intensified antiplatelet regimen also invariably leads to an increased risk for bleeding, which can in turn lead to treatment discontinuation and worse overall cardiovascular outcomes. Thus, a critical balance between efficacy and safety must be pursued in clinical practice. Selection of agents and their combination, dose optimization, and a customized approach based on genotype or assessment of on-treatment phenotype are discussed in the context of available evidence.
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