Removal of a Distally Migrated and Wedged Small Detachable Coil Using a 4MAX Penumbra Reperfusion Catheter

  • Hyon-Jo KwonEmail author


Migration of a detachable coil during embolization of a cerebral aneurysm is not rare [1, 2, 3, 4, 5, 6]. Surgery and techniques using wires, snares, and stent-retrievers have been used for the retrieval of the migrated coils [1, 2, 3, 4, 5]; however, surgical removal is time-consuming and the other endovascular techniques need to introduce the devices through the coil mass for removal. Recently, a small coil which had migrated and became wedged in the distal posterior cerebral artery, was successfully retrieved using a 4MAX reperfusion catheter (Penumbra, Alameda, CA, USA).

Case Presentation

A 54-year-old female presented to the emergency department with severe headache. On brain computed tomographic angiography, aneurysms were observed at the vertebrobasilar artery junction with distinct subarachnoid hemorrhage. It was decided to perform a coil embolization and the patient was moved to the angiosuite. With the patient under general anesthesia, an 8F sheath was placed in...



The authors thank H.H. Jung, R.N. and J.B. Yu, RT for their assistance in the preparation of the manuscript.

Compliance with ethical guidelines

Conflict of interest

H.-J. Kwon declares that he has no competing interests.

Ethical standards

All procedures reported in this article were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The institutional review board of Chungnam National University Hospital approved this study and informed consent to publish was obtained from the patient in question. This article does not contain any studies with animals performed by the author.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Neurosurgery, Daejeon-Chungnam Regional Cerebrovascular CenterChungnam National University Medical School and HospitalDaejeonKorea (Republic of)

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