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Treatment of symptomatic cerebral artery stenosis and occlusion with Xenon CT guided cerebral revascularization / 中国脑血管病杂志
Chinese Journal of Cerebrovascular Diseases ; (12): 240-244, 2017.
Article in Chinese | WPRIM | ID: wpr-613964
ABSTRACT
Objective To investigate the roles of Xenon-CT cerebral blood flow perfusion imaging in cerebral revascularization before surgery and efficacy evaluation.Methods The clinical data of 15 patients with symptomatic cerebral artery stenosis/occlusion of anterior circulation were analyzed retrospectively.Eight patients were treated with endovascular stenting,1 was treated with internal carotid endarterectomy,and 6 were treated with superficial temporal artery-middle cerebral artery bypass grafting.The regional cerebral blood flow (rCBF) detected by Xenon CT within 2 weeks before and after procedure and the modified Ranking scale (mRS) scores at 6 months after procedure were compared.Results (1) The mean rCBF value of 12 patients with abnormal blood perfusion of target vessels before procedure was 30±10 ml/(100 g·min) and that was 32±14 ml/(100 g·min) after procedure.Compared with before procedure,the difference was statistically significant (P0.05).(2) The postoperative mRS score was decreased in 8 cases and stable in 7 cases.Compared with before procedure,there were significant differences in mRS scores after procedure in 15 cases (P<0.05).During the follow-up period,none of the patients had new neurological impairment.Conclusion Revascularization can improve the presence of hemodynamic disorders in patients with symptomatic anterior circulation cerebral artery stenosis or occlusion of the target blood vessels in the distal local cerebral perfusion and neurological deficit symptoms.The patients with abnormal perfusion of preoperative Xenon-CT cerebral blood flow perfusion imaging may be more beneficial than those with normal perfusion.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Cerebrovascular Diseases Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Cerebrovascular Diseases Year: 2017 Type: Article