Retrieval of Migrated Coils with Stent Retrievers: An Animal Study

Nikoubashman, Omid; Pjontek, Rastislav; Brockmann, Marc-Alexander; Tolba, René; Wiesmann, Martin

doi:10.3174/ajnr.a4240

Cited by 24 publications

(22 citation statements)

References 28 publications

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“…Dedicated rescue devices, such as Microsnares and the ARD, have been available for some time and have even been used for mechanical thrombectomy [26,27] prior to the era of stent-retriever thrombectomy. The most experiences using Microsnares and the ARD have been reported in the rescue of neurovascular devices, such as coils [12][13][14][15] and stents [16,17,28]. In the present study, the Microsnare as well as the ARD were able to achieve a successful rescue of larger WEBs in 100% (16 of 16 cases).…”

Section: Discussionsupporting

confidence: 51%

“…Dislocation and migration of WEBs are isolated complications that have only been reported twice [10,11]. Many different endovascular bail-out techniques, using a variety of strategies and equipment have been described for rescuing other devices, such as coils and stents [12][13][14][15][16][17]. A systematic rescue approach of migrated WEBs has not been investigated so far.…”

Section: Introductionmentioning

confidence: 99%

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Different Rescue Approaches of Migrated Woven Endobridge (WEB) Devices: an Animal Study

et al. 2020

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Purpose Treatment of wide-necked intracranial aneurysms using the Woven Endobridge (WEB) device has become broadly accepted. Feared complications with the potential of increased poor clinical outcome include dislocations and migration of the device. This study was carried out to determine the effectiveness of a variety of different strategies to rescue migrated WEB devices. Methods In a porcine model, WEB devices of different sizes (SL [single layer] 3.5 × 2mm and SL 4.0 × 3 mm, SL 8 × 5 mm and SLS 8 mm [single layer spherical]) were placed into both the subclavian and axillary arteries. A total of 32 rescue maneuvers (8 per rescue device) were performed. Small WEBs were rescued using reperfusion catheters (RC) (SOFIA Plus and JET 7), larger WEBs were rescued using dedicated rescue devices (Microsnare and Alligator). Rescue rates, times, attempts and complications were assessed. Results Rescue attempts of migrated WEBs were successful in all cases (100%). Rescue time (p = 0.421) and attempts (p = 0.619) of small WEBs using RCs were comparable without significant differences. Aspiration alone was not successful for larger WEBs. Rescue of larger WEBs was slightly faster (122.75 ± 41.15 s vs. 137.50 ± 54.46 s) with fewer attempts (1 vs. 1.37) when using the Microsnare compared to the Alligator device. Complications such as entrapment of the WEB in the RCs, vasospasm, perforation, or dissection were not observed. Conclusion Rescue of migrated WEB devices is a feasible and effective method and 100% successful rescue rates and appropriate rescue times can be achieved for small WEBs using RCs and for larger WEBs using dedicated rescue devices (Microsnare and Alligator).

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Section: Discussionsupporting

confidence: 51%

Section: Introductionmentioning

confidence: 99%

Different Rescue Approaches of Migrated Woven Endobridge (WEB) Devices: an Animal Study

et al. 2020

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“…All experiments were performed in 2 female Landrace swine (average weight, 58 kg) with peri-and intrainterventional management as reported previously. 13 The experiments were performed in accordance with the German legislation governing animal studies following the Guide for the Care and Use of Laboratory Animals (National Research Council, 8th ed, 2011) and the "Directive 2010/63/EU on the Protection of Animals Used for Scientific Purposes" (Official Journal of the European Union, 2010). Official permission was granted from the governmental animal care and use office (Landesamt für Natur, Umwelt und Verbraucherschutz Nordrhein-Westfalen, Recklinghausen, Germany).…”

Section: Animal Modelmentioning

confidence: 99%

Necessary Catheter Diameters for Mechanical Thrombectomy with ADAPT

Nikoubashman

Büsen

et al. 2017

AJNR Am J Neuroradiol

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“…As a result, coil retrieval was successful in 11% of specimens in the standard thrombectomy group and 99% of specimens in the advanced coil-retrieval group. 17) To our knowledge, there were two patients in whom coil retrieval using a method similar to the advanced coil-retrieval technique was successful. 16,18) Further investigation may be necessary.…”

Section: Disclosure Statementmentioning

confidence: 93%

A Case of Retrieval of a Migrated Coil with a Stent Retriever

Fujii

Iwakami

Son

2018

JNET

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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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Retrieval of Migrated Coils with Stent Retrievers: An Animal Study

Abstract: BACKGROUND AND PURPOSE:Coil migration is a potentially serious complication of endovascular aneurysm treatment. The aim of the study was to systematically investigate the effectiveness of coil retrieval with a stent retriever in an animal model.

Cited by 24 publications

References 28 publications

Different Rescue Approaches of Migrated Woven Endobridge (WEB) Devices: an Animal Study

Different Rescue Approaches of Migrated Woven Endobridge (WEB) Devices: an Animal Study

Necessary Catheter Diameters for Mechanical Thrombectomy with ADAPT

A Case of Retrieval of a Migrated Coil with a Stent Retriever

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