• Ming-Tao Feng, Hong-Jian Zhang, Yong-Xin Zhang, Peng-Fei Xing, Lei Zhang, Yong-Wei Zhang, Zi-Fu Li, Yi Xu, Bo Hong, Qing-Hai Huang, Peng-Fei Yang, and Jian-Min Liu.
• Department of Neurosurgery, Changhai Hospital, The Second Military Medical University, Shanghai, China.
• World Neurosurg. 2019 Oct 1; 130: e444-e448.

IntroductionAnalysis of safety and effectiveness of stent angioplasty for failure of thrombectomy in patients with acute intracranial atherosclerotic occlusion.MethodsRetrospective continuous analysis of the clinical data of 458 patients with acute stroke undergoing endovascular artery thrombectomy in Changhai Hospital of Second Military Medical University from May 2013 to February 2018. Patients with acute intracranial atherosclerotic occlusion treating with stent implantation were included and the safety and effectiveness of stent angioplasty was evaluated.ResultsThere was successful stent release in 55 patients. There were 36 cases (65.5%) with occlusion located in the anterior circulation and 19 cases (34.5%) in the posterior circulation. Twenty patients underwent intravenous thrombolysis before surgery, and the time of admission to intravenous thrombolysis was (39.9 ± 13.2) minutes. Fifty-four patients (98.2%) achieved modified thrombolysis in cerebral infarction 2b-3 recanalization. The National Institutes of Health Stroke Scale score 2.0 (0.0,6.0) 7 days after surgery was significantly improved compared with the preoperative National Institutes of Health Stroke Scale score 12.5 (6.0-20.0) (Z = -4.073, P < 0.05). Intracranial hemorrhage occurred in 7 patients (12.7%) after surgery, among them, symptomatic intracranial hemorrhage occurred in 2 cases (3.6%). CTP examination of the skull 3-5 days after operation showed: Among 39 cases (70.9%): 33 cases (84.6%) were patency, 4 cases (10.3%) were occlusion, 2 cases (5.1%) were moderate stenosis, and 16 cases (29.1%) were not examined by computed tomography perfusion. Ninety-day follow-up showed that a total of 43 cases were followed up, and 12 cases were lost to follow-up. Thirty-four patients (79.1%) had a good prognosis 90 days after surgery (modified Rankin scale score 0-2) and 9 patients died (20.9%).ConclusionWhen thrombectomy in patients with acute intracranial atherosclerotic occlusion fails, stent angioplasty is safe and effective; however, short-term stent reocclusion after surgery cannot be ignored. Because of the small sample size, larger multicenter clinical studies are needed to confirm this result.Copyright © 2019 Elsevier Inc. All rights reserved.

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