Cerebral ischemia and atrial fibrillation: prospective study

Area of Science:

• Neurology
• Cardiology
• Public Health

Background:

• Atrial fibrillation is a common cause of cardioembolic stroke.
• Recurrent stroke and mortality are significant concerns in stroke survivors with atrial fibrillation.

Purpose of the Study:

• To prospectively determine the frequency of recurrent cerebral ischemia and death in patients with ischemic stroke and atrial fibrillation.
• To evaluate the potential benefit of anticoagulation and the incidence of associated hemorrhage.

Main Methods:

• Prospective study of 36 patients with ischemic stroke and atrial fibrillation.
• Follow-up averaged 2.3 months.
• Assessment of recurrent cerebral ischemia, mortality, and CT evidence of hemorrhage.

Main Results:

• Recurrent cerebral ischemia occurred in 33% of patients.
• Mortality rate was 22%.
• Hemorrhage associated with cerebral embolic infarction was observed in 25% of patients.

Conclusions:

• Patients with atrial fibrillation and ischemic stroke have a high risk of recurrence and death.
• Anticoagulation may offer a beneficial effect, but the risk of hemorrhage must be carefully managed.
• Further research is needed to optimize anticoagulation strategies in this patient population.