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Endovascular Management of Superior Cerebellar Artery Aneurysms: Mid and Long-Term Results
Murat Velioglu1, Hakan Selcuk, Osman Kizilkilic
1Girne Military Hospital, Department of Radiology, Girne, Turkish Republic of Northern Cyprus.
Insights
Endovascular treatment effectively manages superior cerebellar artery (SCA) aneurysms, showing high occlusion rates and minimal complications. This approach is safe for both proximal and peripheral SCA aneurysms.
Area of Science:
- Neurosurgery
- Interventional Radiology
- Vascular Neurology
Background:
- Superior cerebellar artery (SCA) aneurysms are rare, with limited data on their management.
- Understanding clinical presentation and treatment outcomes is crucial for these uncommon vascular lesions.
Purpose of the Study:
- To evaluate the clinical presentation, angiographic findings, and outcomes of endovascular treatment for SCA aneurysms.
- To assess the mid- and long-term results of endovascular therapy in patients with SCA aneurysms.
Main Methods:
- Retrospective study of 49 patients with SCA aneurysms treated endovascularly.
- Included both proximal and peripheral SCA aneurysms, with data on aneurysm location, size, and presenting symptoms (e.g., subarachnoid hemorrhage).
Main Results:
- High occlusion rate (95.9%) achieved with detachable coils; liquid embolic agents used in two cases.
- Successful occlusion of all peripheral SCA aneurysms with parent artery preservation.
- Procedure-related mortality was 2%, with no permanent morbidity.
Conclusions:
- Endovascular treatment is a safe and effective strategy for both proximal and peripheral SCA aneurysms.
- Demonstrates favorable mid- and long-term clinical and imaging results.
Aim:
Superior cerebellar artery (SCA) aneurysms are uncommon vascular lesions, thus data about their presentation and clinical management are limited. Our aim was to determine clinical presentation, angiographic findings and mid and long-term clinical and imaging results of endovascular treatment of 49 patients with SCA aneurysm.
Material And Methods:
Forty-nine patients with SCA aneurysms underwent endovascular treatment (25 female, 24 male; mean age 46.7 years; range, 21-79 years) in our institution. Both aneurysms arising at the origin of SCA and peripheral SCA aneurysms were included to our retrospective study. 73.5% of the patients were presented with subarachnoid hemorrhage. Forty-two of 49 (85.7%) aneurysms were located in the origin of SCA. Mean aneurysm size was 6.5 mm (range 2-16 mm).
Results:
Forty-seven (95.9%) of the aneurysms were coiled with detachable coils. In two peripheral aneurysms, liquid embolic agent was used. Overall control angiographic occlusion rates were as follows: 87.5% (34/40) total occlusion and 12.5% (6/40) dog-ear remnant. All peripheral SCA aneurysms were occluded with the parent artery. Procedure related mortality was seen in one patient (2%) due to the rupture of another aneurysm. There was no procedure related permanent morbidity.
Conclusion:
Endovascular treatment is an effective and safe option in both peripheral and proximal SCA aneurysms.
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