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Published on: March 15, 2022
The relationship between bleeding and adverse outcomes in ACS and PCI: pharmacologic and nonpharmacologic
1Sarah Cannon Research Institute, 3322 West End Avenue, Nashville, TN 37203, USA. steven.manoukian@scresearch.net
Insights
Antithrombotic therapies reduce ischemic events but increase bleeding risk, which is linked to worse outcomes. Understanding bleeding is key to optimizing patient care and minimizing risks.
Area of Science:
- Cardiology
- Pharmacology
- Clinical Medicine
Background:
- Antithrombotic therapy (antiplatelet, antithrombin agents) is crucial for acute coronary syndromes (ACS) and percutaneous coronary intervention (PCI).
- These therapies increase bleeding risk, which is associated with adverse outcomes, including mortality.
- Optimizing patient outcomes requires a better understanding of bleeding complications and risk factors.
Purpose of the Study:
- To define bleeding criteria and assess its correlation with adverse outcomes.
- To compare the impact of bleeding versus ischemic events (e.g., myocardial infarction) on mortality.
- To explore the relationship between bleeding and treatment modifications, and methods for prediction and prevention.
Main Methods:
- Review of definitions, severity, and types of bleeding complications.
- Analysis of patient characteristics, clinical presentations, and treatment variables associated with bleeding risk.
- Exploration of pharmacological and nonpharmacological strategies to minimize bleeding risk.
Main Results:
- Bleeding complications are significantly associated with increased mortality in patients receiving antithrombotic therapy.
- The risk of bleeding must be balanced against the efficacy of antithrombotic agents to prevent ischemic events.
- Understanding bleeding risk factors is essential for modifying long-term treatment strategies.
Conclusions:
- Improved understanding of bleeding is critical for optimizing antithrombotic therapy in ACS and PCI patients.
- Strategies to predict and prevent bleeding are necessary to improve patient outcomes and reduce mortality.
- Balancing antithrombotic efficacy with bleeding risk is paramount in clinical decision-making.
Abstract:
Antithrombotic therapy, including antiplatelet and antithrombin agents, effectively reduces the risk of ischemic events in patients with acute coronary syndromes (ACS) and those undergoing percutaneous coronary intervention (PCI). Unfortunately, these agents intrinsically increase the risk of bleeding complications, which in turn are associated with adverse outcomes, particularly mortality. Accordingly, there is great value in improving the understanding of bleeding complications, including the definitions employed, severity and types of bleeding, as well as the patient characteristics, clinical presentations, and treatment variables that are associated with an increased risk of bleeding. The ultimate goal is to optimize patient outcomes by employing pharmacological and nonpharmacological strategies that minimize bleeding risk while maintaining efficacy. The objective of this article is to present the criteria by which bleeding is expressed and discuss the correlation between bleeding and adverse outcomes, as well as the relative impact of bleeding compared with ischemic events such as myocardial infarction on mortality. Furthermore, the relationship between bleeding and modifications of long-term treatment and methods to predict and prevent bleeding will be explored.
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