Objective To explore the efficacy and safety of Pipeline Flex flow diverting device(PED)in the treatment of small and medium-sized intracranial aneurysms of the internal carotid artery.Methods A retrospective analysis was conducted on 18 patients with intracranial aneurysms of the internal carotid artery treated with Pipeline Flex.The Raymond Roy grading was used to evaluate the occlusion of the aneurysms immediately and 6 months after surgery,and the mRS score was used to determine the neurological prognosis at discharge and 6 months after surgery.Results All 18 patients suc-cessfully completed the surgery,and 15 patients had no complications.Three cases experienced perioperative complications,two cases were hemorrhagic stroke of which one died,and one case was ischemic stroke.Postoperative VASO-CT showed good adhesion of PED to the wall and patency of the parent artery.There were 2 cases of Raymond Roy grade Ⅰ,5 cases of grade Ⅱ,and 11 cases of grade Ⅲ.At discharge,there were 15 cases with a mRS score of 0,1 case with a score of 1,1 case with a score of 2,and 1 case with a score of 6.The good prognosis rate(mRS score of 0-2)was 94.4％.After 6 months of surgery,DS A reexamination was performed in 14 cases of Raymond Roy grade Ⅰ,2 cases of grade Ⅱ,and 1 case of grade Ⅲ.The mRS score was 0 in 15 cases,1 in 2 cases,6 in 1 case,and the good prognosis rate was 94.4％.Conclu-sion The surgical success rate for treating small and medium-sized intracranial aneurysms of the internal carotid artery is high,with low complications and acceptable safety.
Pipeline Flex flow diverting deviceIntracranial aneurysmEfficacy and safety
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