Cerebral artery stump syndrome: a comprehensive pooled analysis of 188 angiographically confirmed cases
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By
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Ping Lu
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Ling-Yun Cui
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Yi Jin
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Zhao-Hui Tian
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Wei Wang
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July 7, 2026
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Clinical Scorecard: Cerebral Artery Stump Syndrome: A Detailed Pooled Analysis of 188 Cases Confirmed by Angiography
At a Glance
| Category | Detail |
|---|
| Condition | Cerebral artery stump syndrome (CASS) |
| Key Mechanisms | Thrombus formation from residual vascular stumps of occluded arteries leading to recurrent ischemic events. |
| Target Population | Patients diagnosed with CASS confirmed by cerebral arteriography. |
| Care Setting | Clinical evaluation and treatment of ischemic stroke. |
Key Highlights
- CASS includes two subtypes: carotid stump syndrome (CSS) and vertebral artery stump syndrome (VASS).
- Invasive treatments significantly reduce recurrence rates compared to medical treatment alone.
- Anticoagulant therapy shows a lower recurrence rate than antiplatelet therapy in medical treatment.
Guideline-Based Recommendations
Diagnosis
- Diagnosis of CASS should be confirmed via cerebral arteriography.
Management
- Invasive treatments such as carotid endarterectomy and endovascular therapies are recommended for lower recurrence rates.
Monitoring & Follow-up
- Patients should be monitored for recurrent cerebrovascular events post-treatment.
Risks
- Medical treatment alone has a higher recurrence rate compared to invasive treatments.
Patient & Prescribing Data
188 patients with CASS from 43 studies.
Initial anticoagulant therapy is preferred over antiplatelet therapy due to lower recurrence rates.
Clinical Best Practices
- Implement subtype-specific individualized diagnosis and treatment for CSS and VASS.
- Standardize clinical diagnosis and treatment processes for CASS.
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