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- W3028893038 abstract "ObjectiveTo explore the application of intraprocedural C-arm CT assisted trans-perforator embolization of deep arteriovenous malformations (AVM).MethodsFrom July 2015 to June 2017 at Neurosurgery Department, Xuanwu Hospital Capital Medical University, a total of 21 cases of hemorrhagic deep AVM were retrospectively reviewed. There were 11 men and 10 women with the average age of 24.3 years old. Among them, 20 lesions were located at the basal ganglia and 1 lesion at the fourth ventricle. Three lesions were classified as Spetzler-Martin grade 4 and 18 lesions were grade 3. All patients were treated with transarterial embolization under general anesthesia. The tip of microcatheter was localized with intraoperative C-arm CT technique when trans-perforator embolization was intended.ResultsAmong 21 patients, a total of 49 times of embolization were performed. Twenty-five times of intraoperative C-arm CT scans were used in 37 times of trans-perforator embolization. The tip of microcatheter was positioned 22 times at the safe region and 3 times at the dangerous area. The immediate post-operative angiography revealed complete occlusion or subtotal occlusion in 8 cases, obliteration of hemorrhage-related structures in 11 and partial embolization in 2. Intraoperative ventricular hemorrhage occurred in 2 cases and 1 of them presented with numbness of contralateral extremities post embolization. Twelve cases were followed up by DSA at 4-17 months post embolization. Five lesions which were obliterated completely or subtotally developed no further changes in follow-up angiogram when compared with immediate post-operative results. In 7 lesions which were treated with obliteration of hemorrhage-related structures, the nidus of 1 lesion disappeared completely and that in 6 other lesions had residues without hemorrhage-related structures. The remaining 9 cases were clinically followed up at 6 months post embolization. Recurrent hemorrhage and new-onset neurologic deficits were not found during follow-up period.ConclusionThe tip of microcatheter could be localized with the assistance of intraoperative C-arm CT technique, which might facilitate more precise trans-perforator embolization for deep AVM.Key words: Intracranial arteriovenous malformations; Embolization, therapeutic; Tomography, X-ray computed; Perforator artery" @default.
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- W3028893038 date "2018-06-28" @default.
- W3028893038 modified "2023-09-22" @default.
- W3028893038 title "Intraprocedural C-arm CT assisted trans-perforator embolization of deep arteriovenous malformations" @default.
- W3028893038 doi "https://doi.org/10.3760/cma.j.issn.1001-2346.2018.06.010" @default.
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