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Published on: January 18, 2017
[Aspirin resistance]
1Klinika za bolesti srca i krvnih zila Medicinskog fakulteta Sveucilista u Zagrebu, KBC Zagreb.
Insights
Aspirin resistance, a suboptimal response to aspirin therapy, is linked to adverse cardiovascular events. Standardized testing and treatment guidelines are needed to address this growing concern in patient care.
Area of Science:
- Cardiovascular Medicine
- Pharmacology
- Clinical Pathology
Context:
- Aspirin is a long-standing cornerstone in cardiovascular disease prevention.
- A subset of patients on aspirin therapy experience atherothrombotic events.
- The concept of "aspirin resistance" has emerged due to suboptimal antiplatelet response.
Purpose:
- To explore the relationship between aspirin resistance and cardiovascular prognosis.
- To highlight the challenges in defining and detecting aspirin resistance.
- To underscore the lack of standardized guidelines for managing aspirin resistance.
Summary:
- Aspirin resistance refers to a diminished antiplatelet effect in certain patients, increasing their risk of cardiovascular events like myocardial infarction and stroke.
- Current research indicates a link between aspirin resistance and poorer cardiovascular outcomes.
- Significant challenges exist due to the lack of a uniform definition and standardized laboratory methods for detecting aspirin resistance.
Impact:
- Highlights the clinical significance of aspirin resistance in cardiovascular patient management.
- Identifies the need for standardized diagnostic criteria and laboratory methods for aspirin resistance.
- Emphasizes the absence of expert recommendations for routine assessment and treatment modification in cases of aspirin resistance.
Abstract:
Although present in pharmacotherapy for more than 100 years, aspirin still represents a cornerstone in the primary and secondary prevention of cardiovascular patients. Despite undoubtful benefit, a certain proportion of patients treated with aspirin develops adverse atherothrombotic events like stent thrombosis, myocardial infarction, stroke and cardiovascular death. In recent years, there is a growing scientific interest concerning the relationship of suboptimal antiplatelet response to aspirin and cardiovascular prognosis that has led to the concept of "aspirin resistance". Besides the absence of uniform definition of aspirin resistance, an important issue in these studies are numerous and poorly standardized laboratory methods that are used in its detection. Despite an increasing number of reports that favour its clinical significance, there are still no expert recommendations for routine assessment of platelet aggregation as well as for modification of antiplatelet doses or regimens in the case of established aspirin resistance.
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