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Published on: October 26, 2020
[Interaction between antiplatelet agents and angiotensin-converting enzyme inhibitors]
1Serviço de Cardiologia da Faculdade de Medicina da Universidade do Porto, Serviço de Cardiologia do Hospital de S. João, Unidade de Investigação e Desenvolvimento Cardiovascular do Porto.
Insights
Cardiologists recommend ACE inhibitors and aspirin for heart conditions. However, aspirin may reduce ACE inhibitor effectiveness by inhibiting prostaglandins. Low-dose aspirin or alternatives like ADP antagonists are suggested for heart failure patients.
Area of Science:
- Cardiology
- Pharmacology
Context:
- Cardiological guidelines recommend ACEIs and ASA for hypertension, myocardial infarction, and heart failure.
- Potential interaction between ASA and ACEIs due to prostaglandin synthesis inhibition is debated.
Purpose:
- To evaluate the clinical implications of using ACEIs and ASA concurrently in patients with heart failure.
- To discuss the potential risks and benefits of this drug combination.
Summary:
- While guidelines support ACEI and ASA use, some research suggests ASA may reduce ACEI effectiveness by inhibiting prostaglandins.
- The interaction is not conclusively demonstrated, necessitating individualized patient assessment.
- Low-dose ASA (< or = 250 mg/day) is suggested for heart failure patients.
- ADP antagonists offer an alternative to ASA, as they do not affect prostaglandin synthesis.
Impact:
- Informs clinical decision-making regarding the combined use of ACEIs and ASA in heart failure management.
- Highlights the importance of individualized patient care and dose considerations.
- Suggests alternative antiplatelet strategies like ADP antagonists.
Abstract:
The use of angiotensin converting enzyme inhibitors (ACEIs), as well as of acetyl salicylic acid (ASA) in patients with hypertension, myocardial infarction or heart failure is recommended by the guidelines issued by several respected cardiological societies. However, some authors have argued that ASA may decrease the effectiveness of ACEIs by decreasing the release of prostagandins. Although such negative interaction is still not conclusively demonstrated, the merits of the use of this association should be judged in each individual patient with heart failure. It seems prudent to use low doses of ASA (< or = 250 mg/day) in these patients. ADP antagonists may constitute an alternative to ASA since they do not block prostaglandin synthesis.
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