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Low-profile visualized intraluminal support stent for the endovascular treatment of traumatic intracranial internal carotid artery pseudoaneurysms

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Abstract

Optimal treatment strategies for traumatic intracranial internal carotid artery (ICA) pseudoaneurysms are controversial. The low-profile visualized intraluminal support (LVIS) device is a braided stent with a metal coverage rate between traditional laser cut stents and flow diversion devices. We report here our therapy strategy using the LVIS stent-assisted coiling for treatment of traumatic intracranial ICA pseudoaneurysms. Patients with traumatic intracranial ICA pseudoaneurysms treated by the LVIS stent-assisted coiling in our center between January 2015 and June 2021 were reviewed. The complications, radiographic, and clinical outcomes of these patients were analyzed. A total of 12 patients with 12 pseudoaneurysms were included. The mean maximum aneurysm diameter was 6.2 ± 3.1 mm. Nine patients had a subarachnoid hemorrhage; five patients with Hunt-Hess grade III and four patients with grade IV. All procedures were successfully performed without intraoperative complications. Immediate postoperative angiogram showed that six (50%) aneurysms were Raymond grade 1, four (33.3%) were grade 2, and two (16.7%) were grade 3. Postoperative multiple cerebral infarction occurred in two patients because of vasospasm. Of the ten patients with angiographic follow-up (mean, 29.9 months), two received additional coiling because of recanalization of the pseudoaneurysm, and all aneurysms were completely obliterated at the last examination of the patients. During the clinical follow-up period (mean, 26.8 months), the overall mortality and morbidity were 25% (3/12) and 8.3% (1/12), respectively. LVIS stent-assisted coiling was a feasible approach for the treatment of traumatic ICA pseudoaneurysms.

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Data availability

All data of this study are available from the corresponding author on reasonable request.

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Funding

This work was supported by the National Natural Science Foundation of China (grant number: 81960330).

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Authors and Affiliations

  1. Department of Neurosurgery, First Affiliated Hospital of Nanchang University, Nanchang University, Nanchang, Jiangxi, China

    Song Tan, Xiaobing Zhou, Yuzhao Lu, Lingfeng Lai, Xiaofei Huang, Bin Li & Yang Wang

  2. Department of Neurosurgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 10043, China

    Yang Wang

Authors
  1. Song Tan
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  2. Xiaobing Zhou
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  3. Yuzhao Lu
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  4. Lingfeng Lai
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  5. Xiaofei Huang
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  6. Bin Li
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  7. Yang Wang
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Contributions

Conception and design: Song Tan, Xiaobing Zhou, Yang Wang. Data collection and analysis: Yuzhao Lu, Lingfeng Lai, Xiaofei Huang, Bin Li. Drafting the article: Song Tan. Critically revising the article: Xiaobing Zhou, Yang Wang. Reviewed submitted version of manuscript: all authors.

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Correspondence to Yang Wang.

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This study was approved by the ethics committee of First Affiliated Hospital of Nanchang University, Jiangxi province, China (approval number: 2020–047).

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Tan, S., Zhou, X., Lu, Y. et al. Low-profile visualized intraluminal support stent for the endovascular treatment of traumatic intracranial internal carotid artery pseudoaneurysms. Neurosurg Rev 45, 2231–2237 (2022). https://doi.org/10.1007/s10143-021-01714-y

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