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Published on: February 28, 2012
In Search of the Optimal Antithrombotic Regimen for Intracerebral Hemorrhage Survivors with Atrial Fibrillation
Teng J Peng1, Catherine Viscoli1, Pooja Khatri2
1Department of Neurology, Yale University School of Medicine, 15 York Street LCI, 1003C, New Haven, CT, 06510, USA.
Insights
Anticoagulation in intracerebral hemorrhage (ICH) survivors with atrial fibrillation (AF) presents a dilemma. This review examines evidence on antithrombotic use to balance risks of recurrent stroke and bleeding.
Area of Science:
- Neurology
- Cardiology
- Neurosurgery
Background:
- Spontaneous intracerebral hemorrhage (ICH) is a major cause of stroke-related death and disability.
- ICH survivors with atrial fibrillation (AF) face high risks of both recurrent hemorrhagic and ischemic strokes.
- The decision to use anticoagulation in these patients is complex, balancing risks and benefits.
Purpose of the Study:
- To review the current evidence regarding the use of antithrombotic therapy in patients who have survived an intracerebral hemorrhage and have atrial fibrillation.
- To analyze the risks and benefits of initiating or withholding anticoagulation in this high-risk patient population.
- To discuss findings from recent and ongoing clinical trials relevant to this clinical conundrum.
Main Methods:
- This is a narrative review of existing literature.
- Evidence for and against antithrombotic use was synthesized.
- Focus was placed on recently completed and ongoing clinical trials.
Main Results:
- Initiating anticoagulation may reduce ischemic stroke risk but increase hemorrhage risk.
- Withholding anticoagulation lowers hemorrhage risk but leaves patients vulnerable to ischemic events.
- Recent clinical trials are providing new data to inform this decision.
Conclusions:
- The optimal management of anticoagulation in ICH survivors with AF remains a critical challenge.
- Balancing the risk of recurrent ischemic stroke against the risk of further hemorrhage is paramount.
- Ongoing research is crucial for establishing evidence-based guidelines.
Abstract:
Spontaneous intracerebral hemorrhage (ICH) constitutes 10-15% of all strokes, and is a significant cause of mortality and morbidity. Survivors of ICH, especially those with atrial fibrillation (AF), are at risk for both recurrent hemorrhagic and ischemic cerebrovascular events. A conundrum in the field of vascular neurology, neurosurgery, and cardiology has been the decision to initiate or resume versus withhold anticoagulation in survivors of ICH with AF. To initiate anticoagulation would decrease the risk of ischemic stroke but may increase the risk of hemorrhage. To withhold anticoagulation maintains a lower risk of hemorrhage but does not decrease the risk of ischemic stroke. In this narrative review, we discuss the evidence for and against the use of antithrombotics in ICH survivors with AF, focusing on recently completed and ongoing clinical trials.
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