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Management of transient ischemic attack: 2005
Brian Clarke1, Allan Moore, Ciaran Donegan
1Beaumont Hospital, Department of Medicine for the Elderly, Dublin 9, Ireland. brianjmclarke@hotmail.com
Expert Review of Cardiovascular Therapy
|August 4, 2005
Summary
Transient ischemic attack (TIA) is now understood to carry a higher stroke risk, prompting redefinition and earlier investigation. New treatments and interventions offer improved management options for TIA patients.
Area of Science:
- Neurology
- Vascular Neurology
- Stroke Medicine
Background:
- Transient ischemic attack (TIA) is a frequent clinical presentation.
- Historically, TIAs were defined by symptom resolution within 24 hours.
- Recent evidence supports a shorter, 1-hour time frame for TIA definition.
Purpose of the Study:
- To redefine Transient Ischemic Attack (TIA) based on new evidence.
- To emphasize earlier investigation and treatment of modifiable causes.
- To discuss evolving therapeutic strategies for TIA.
Main Methods:
- Review of recent clinical data and imaging techniques.
- Analysis of updated diagnostic criteria for TIA.
- Evaluation of current and emerging treatment modalities.
Main Results:
- New data indicates a higher risk of impending stroke associated with TIAs than previously recognized.
- Revised time frames (e.g., 1-hour) are proposed for TIA definition.
- Advanced imaging and clinical evidence necessitate a re-evaluation of TIA risk stratification.
Conclusions:
- Redefinition of TIA emphasizes prompt evaluation and intervention.
- Earlier diagnosis and treatment of correctable causes are crucial.
- New antiplatelet agents and interventional procedures like carotid stenting expand treatment options.