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How I do it: coil extraction and clip reconstruction of a previously coiled giant middle cerebral artery aneurysm

  • How I Do it - Vascular Neurosurgery - Aneurysm
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Abstract

Background

Microsurgical clipping of previously coiled intracranial aneurysms can be technically challenging. We present the case of a 48-year-old female with a partially coiled, previously ruptured giant middle cerebral artery aneurysm and the associated technical nuances.

Methods

We performed a successful coil extraction and clip reconstruction of this aneurysm using an ultrasonic aspirator and stacked fenestrated aneurysm clips.

Conclusion

Coil extraction and clip occlusion of previously coiled intracranial aneurysms is a complex and technically challenging procedure but can be performed safely and effectively when employed judiciously.

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Correspondence to Mohsen Javadpour.

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The authors declare that they have no conflict of interest.

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Key Points

• During the approach to complex, previously coiled MCA aneurysms, be cognisant of the potential requirement for an EC-IC bypass and preserve the superficial temporal artery

• Opening of the aneurysm and coil extraction should only be attempted when attempts at simple clip application have failed

• The ultrasonic aspirator is a useful tool for breakdown of thrombus and coils and facilitating extraction of the coils

• Delay temporary clip application until most of the thrombus and coils have been extracted to limit temporary clipping time

• Stacked fenestrated clips are useful in the occlusion of thick-walled aneurysms, which may cause splaying of the blades of non-fenestrated clips and allow ongoing aneurysm filling

• Indocyanine green angiography is essential in order to confirm the patency of the MCA branches.

• Complex MCA aneurysms have high rates of recurrence following endovascular treatment, and surgical intervention should be considered as a primary treatment modality in these cases

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This article is part of the Topical Collection on Vascular Neurosurgery - Aneurysm

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Hannan, C.J., Javadpour, M. How I do it: coil extraction and clip reconstruction of a previously coiled giant middle cerebral artery aneurysm. Acta Neurochir 163, 2363–2366 (2021). https://doi.org/10.1007/s00701-021-04727-0

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  • DOI: https://doi.org/10.1007/s00701-021-04727-0

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