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Updated: May 15, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
Published on: January 18, 2018
Anticoagulant therapy for ischemic stroke: A review of literature
Mohammad Mehdi Shahpouri1, Seyed Mousavi, Faribourz Khorvash
1Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
Insights
Anticoagulants for acute ischemic stroke lack strong evidence of effectiveness and safety, leading to ongoing expert debate. This review offers a framework for their emergent use despite controversial clinical data.
Area of Science:
- Neurology
- Cardiology
- Pharmacology
Background:
- Anticoagulants are widely used for acute ischemic stroke to prevent recurrence, particularly in patients with atrial fibrillation or large-artery disease.
- However, their efficacy and safety in this context remain controversial, with a lack of consensus among experts and practitioners.
- Existing clinical data and reviews, including one by the American Heart Association, show no strong evidence supporting their effectiveness.
Purpose of the Study:
- To review the current evidence regarding the emergent use of anticoagulants in acute ischemic stroke.
- To provide a framework to guide the application of anticoagulants in managing acute ischemic stroke patients.
Main Methods:
- Systematic review of existing literature and clinical trial data.
- Analysis of expert opinions and survey results on anticoagulant use.
- Evaluation of recommendations from professional bodies like the Stroke Council of the American Heart Association.
Main Results:
- Definitive clinical data supporting the efficacy of emergent anticoagulation in acute ischemic stroke is lacking.
- Several clinical trials indicate no significant improvement in patient outcomes with emergent anticoagulation.
- There is a broad spectrum of expert opinions and a lack of consensus on optimal anticoagulant use.
Conclusions:
- The effectiveness and safety of anticoagulants in acute ischemic stroke treatment are not definitively established.
- Current evidence does not strongly support the routine emergent use of anticoagulants for improving clinical outcomes.
- A structured framework is needed to navigate the uncertainties surrounding anticoagulant therapy in acute ischemic stroke.
Abstract:
For many years, anticoagulants have been used in the emergent treatment of patients with acute ischemic stroke. Anticoagulants are prescribed in an effort to prevent first or recurrent stroke, especially among patients with cardioembolism due to arterial fibrillation and large-artery atherosclerotic disease. Despite the widespread use, efficacy and safety of anticoagulants are controversial. Experts have given a broad spectrum of opinions. Surveys of practitioners have also demonstrated a lack of consensus on the use of anticoagulants for ischemic stroke. The uncertainty is due, in large part, to the lack of definitive clinical data. A review by the panel of the Stroke Council of the American Heart Association found no strong evidence for effectiveness of anticoagulants in treating acute ischemic stroke. Several clinical trials have suggested that utility of emergent anticoagulation has no significant effect in improving clinical outcomes for patients with acute ischemic stroke. In the present review, we have attempted to provide a framework for the emergent use of anticoagulants in acute ischemic stroke patients.
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