Intracranial aneurysms in sickle cell disease: Aneurysms characteristics and modalities of endovascular approach to treat these patients.

The neurological complications of Sickle Cell Disease (SCD) include cerebral infarction and haemorrhage with rarely subarachnoid haemorrhage due to cerebral aneurysms. In our interventional department, working with SCD referral department, we reported our experience concerning management of adult's patients with cerebral aneurysms. We identified 26 adults with 48 intracranial aneurysms documented by imaging. 18 patients, with 26 cerebral aneurysms were treated by endovascular approach for their aneurysms. No patient was treated by surgical way in our institution. 50% of patients had multiple aneurysms. Locations of aneurysms treated were typical with 70% of cerebral anterior artery and 30% of posterior artery. Three patients suffered from subarachnoid haemorrhage. Two procedure-related complications occurred during the treatment: one thrombo-embolic event with good recovery after medical treatment and one aneurismal perforation leading to the death of patient. Hypercoagulability is a major specific risk in SCD and use of permanent device as stent of flow diverter should be discussed to prevent complications. Endovascular management of these aneurysms seems to be a good alternative to treat these patients, with stability of occlusion at follow-up.

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