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Retrieval of a migrated coil with a handmade microwire-snare device

  • Clinical Article - Vascular
  • Published:
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Abstract

Background

Intraprocedural coil migration during endovascular treatment of intracranial aneurysms is associated with potential vessel occlusion and thromboembolic complications. There is no standard management strategy for coil migration. Here, we describe our experience with using a handmade microwire-snare device (HMD) to retrieve a migrated coil.

Methods

The HMD consists of a 0.017-inch microcatheter, a 0.014-inch microwire, and a 4-0 silk thread. The ring of the microwire-snare device can open, close, and twist in a figure eight pattern for coil entwinement. In addition, the ring can be shaped as needed to navigate tortuous vessels or capture the migrated coil.

Results

The HMD was successfully used to retrieve two migrated coils. In the first case, the coil was displaced in the M2 branch of the middle cerebral artery. In the second case, the coil loop prolapsed into the parent artery. In both cases, control cerebral angiograms performed after retrieval confirmed the patency of the vessels and a lack of thromboembolic complications. At the 3-month follow-up, magnetic resonance angiography demonstrated stable patency of the affected vessels.

Conclusions

The HMD is a cost-effective, easy-to-use, safe, and universally available device for retrieving migrated coil(s) during intracranial aneurysm embolization procedures.

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Correspondence to Chuan He.

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All authors verify that they have no affiliations with or involvement in any organization or entity with any financial interest (e.g., honoraria, educational grants, participation in speakers’ bureaus, membership, employment, consultancies, stock ownership, other equity interest, expert testimony, or patent-licensing arrangements) or non-financial interest (e.g., personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. Formal consent was not required for this retrospective study.

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Informed consent was obtained from all individual participants in the study.

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He, C., Chen, J., Hussain, M. et al. Retrieval of a migrated coil with a handmade microwire-snare device. Acta Neurochir 158, 1539–1543 (2016). https://doi.org/10.1007/s00701-016-2857-6

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  • DOI: https://doi.org/10.1007/s00701-016-2857-6

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