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Prognosis in middle cerebral artery stenosis
Stroke
|March 1, 1984
Summary
Patients with middle cerebral artery (MCA) stenosis face a higher risk of stroke than previously thought. Those presenting with stroke have a particularly poor prognosis, highlighting the need for careful consideration of treatments like EC/IC bypass.
Area of Science:
- Neurology
- Vascular Neurology
- Cerebrovascular Disease
Background:
- Middle cerebral artery (MCA) stenosis is a significant risk factor for stroke.
- Previous literature may underestimate the prognosis for patients with MCA stenosis.
Purpose of the Study:
- To evaluate the prognosis of patients diagnosed with middle cerebral artery stenosis.
- To assess the risk of recurrent stroke and mortality in this patient cohort.
Main Methods:
- Retrospective analysis of 21 patients with angiographically confirmed MCA stenosis.
- Categorization of patients based on initial presentation: stroke or transient ischemic attack (TIA).
- Follow-up assessment for recurrent cerebrovascular events and mortality.
Main Results:
- 14 patients presented with stroke, 7 with TIAs.
- Among stroke patients, 4 experienced further strokes (3 fatal).
- One TIA patient had a fatal stroke; only 2 overall had TIAs during follow-up.
Conclusions:
- Prognosis for MCA stenosis patients is poorer than suggested by existing literature.
- Patients presenting with stroke have a substantial risk of fatal stroke.
- Findings are critical for guiding decisions regarding endovascular/intracranial bypass (EC/IC) surgery.