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06:01
A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
Cryptogenic stroke in young patients: long-term prognosis and recurrence
A Arauz1, M Merlos-Benítez, L F Roa
1Clínica de Enfermedad Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, México, México. arauzg@prodigy.net.mx
Neurologia (Barcelona, Spain)
|March 1, 2011
Summary
Cryptogenic ischemic strokes in young adults typically present as single events with a low recurrence rate and good long-term functional outcomes. However, total anterior circulation infarctions are associated with poorer prognoses.
Area of Science:
- Neurology
- Vascular Neurology
- Stroke Medicine
Background:
- Approximately 40% of strokes in young individuals are classified as infarcts of undetermined cause.
- Cryptogenic ischemic stroke (CIS) in patients under 45 years old represents a significant clinical challenge.
Purpose of the Study:
- To investigate the imaging characteristics of CIS in young adults.
- To evaluate the long-term functional outcomes and recurrence rates of CIS.
- To identify factors associated with prognosis in young CIS patients.
Main Methods:
- A cohort of 98 patients under 45 years old with CIS was followed for a median of 54 months.
- Data collected included vascular risk factors, clinical presentation, laboratory results, and imaging studies (intracranial/extracranial vascular imaging, echocardiogram).
- Prothrombotic states were assessed, and functional outcome was measured using the Rankin disability score.
Main Results:
- CIS accounted for 11% of cerebral infarctions in patients under 45 at the study hospital.
- The majority of patients (65%) achieved good functional outcomes (Rankin 0-2).
- Recurrence was low (4%), and infarcts were typically single (88%). Total anterior circulation infarctions were associated with poorer outcomes.
Conclusions:
- Cryptogenic cerebral infarctions in young adults are generally associated with a favorable long-term prognosis, characterized by single lesions and low recurrence rates.
- Total anterior circulation infarctions represent a significant risk factor for poor functional outcomes in this population.
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