Source:Clinical Neurology and Neurosurgery, Volume 162
Author(s): Xiaofei Wang, Zhigang Wang, Yong Ji, Xuan Ding, Yizheng Zang, Chengwei Wang
ObjectiveTo investigate the safety and effectiveness of recanalization in non-acute occlusion of intracranial internal carotid arteries using the flexible Enterprise self-expanding stent.Patients and methodsFrom June 2014 to June 2016, 12 consecutive patients with non-acute occlusion of intracranial internal carotid arteries received endovascular recanalization with Enterprise stenting. All patients received medication for anti-platelet aggregation therapy before and after the operation. The perioperative complications and recanalization efficacy were evaluated with the modified Rankin scoring system and digital subtraction angiography (DSA) follow-up, respectively.ResultsEndovascular recanalization was successfully performed in 10 out of 12 patients with Enterprise stenting. Stent implantation following balloon dilatation failed in one patient because the lumen diameter was too small. Another recanalization failed because the guide wire could not pass through the occlusion. No perioperative mortality was observed. One case of acute thrombosis and one case of intraoperative carotid spasm occurred, but these were resolved with thrombolytic therapy by microcatheter exposure treatment and antispasmodic medications, respectively. DSA follow-up in seven patients revealed no re-occlusion. One stroke event occurred in the 10 patients who completed the follow-up. A meaningful improvement in the modified Rankin score during follow-up was suggested by Wilcoxon signed-rank test results.ConclusionThe Enterprise stent was shown to be safe and efficient in recanalizing non-acute atherosclerotic intracranial internal carotid artery occlusion. However, the long-term outcomes need to be further investigated.
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