Journal of Neuroendovascular Therapy
Online ISSN : 2186-2494
Print ISSN : 1882-4072
Case Reports
A Case of Retrieval of a Migrated Coil with a Stent Retriever
Norio FujiiTakayuki IwakamiJaehyun Son
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ジャーナル オープンアクセス

2018 年 12 巻 4 号 p. 186-192

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Objective: Coil migration is a complication related to endovascular coil embolization. In this study, we report a patient in whom an intraoperatively migrated coil was successfully retrieved using a stent retriever.

Case Presentation: A 57-year-old male. To treat an unruptured aneurysm of the right internal carotid artery, endovascular coil embolization was performed. During embolization, one end of a framing coil migrated into the parent artery, and it was retrieved using a microsnare. However, this resulted in the extra-aneurysmal deviation of a filling coil. We tried to retrieve it using a microsnare, but the formation of a coil mass made retrieval difficult. Eventually, retrieval with a stent retriever was successful. After operation, mild subarachnoid hemorrhage and slight muscle weakness of the left upper/lower limbs were observed, but recovery was achieved during the course, and the patient was discharged.

Conclusion: To our knowledge, no study has reported retrieval with a stent retriever for the management of coil migration in Japan. However, this method was considered to be effective. We report this patient, and review the literature.

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