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Updated: Jun 13, 2026
13:18
Optimization of the Longa Middle Cerebral Artery Occlusion Method for Complete Reperfusion
Published on: November 22, 2024
Parent artery occlusion for intracranial aneurysms
Lishan Cui1, Qiang Peng, Wenbo Ha
1Department of Neurosurgery, Daqing Peoples Hospital, Daqing City, Harbin Medical University; Heilongjinag Province, China. led500@126.com
Summary
Peripheral cerebral aneurysms pose treatment challenges. Parent artery occlusion (PAO) using detachable coils offers a viable endovascular solution for these difficult-to-treat intracranial aneurysms when other methods fail.
Area of Science:
- Neurology
- Neurosurgery
- Endovascular Therapy
Background:
- Peripheral cerebral aneurysms, distal to the circle of Willis, present unique therapeutic challenges.
- Preserving the parent artery in treating these aneurysms is often difficult.
Purpose of the Study:
- To evaluate the clinical and angiographic outcomes of endovascularly treated peripheral cerebral aneurysms.
- To assess the efficacy of parent artery occlusion (PAO) for distal intracranial aneurysms.
Main Methods:
- Retrospective analysis of 12 patients with peripheral cerebral aneurysms treated over five years.
- Endovascular treatment utilizing parent artery occlusion (PAO) with detachable coils.
Main Results:
- Twelve patients underwent PAO for peripheral cerebral aneurysms, with no resultant neurologic deficits.
- Seven patients presented with subarachnoid or intracerebral hemorrhage; others had focal neurological deficits or headaches.
Conclusions:
- Parent artery occlusion (PAO) is an effective endovascular treatment for peripheral cerebral aneurysms.
- PAO provides a treatment option when selective embolization or surgical clipping is not feasible for distal aneurysms.
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