Skip Navigation LinksHome > May 2014 - Volume 74 - Issue 5 > Treatment of Blister-Like Aneurysms With the Pipeline Emboli...
Neurosurgery:
doi: 10.1227/NEU.0000000000000309
Research-Human-Clinical Studies

Treatment of Blister-Like Aneurysms With the Pipeline Embolization Device

Chalouhi, Nohra MD*; Zanaty, Mario MD*; Tjoumakaris, Stavropoula MD*; Gonzalez, L. Fernando MD*; Hasan, David MD; Kung, David MD*; Rosenwasser, Robert H. MD*; Jabbour, Pascal MD*

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Abstract

BACKGROUND: Endovascular vessel reconstruction with the pipeline embolization device (PED) has become common practice. Data on the safety and efficacy of the PED in blister-like aneurysms (BLAs) are limited.

OBJECTIVE: To retrospectively present our experience with use of the PED in BLAs.

METHODS: A total of 8 patients harboring 8 BLAs were treated with the PED at our institution between November 2011 and April 2013.

RESULTS: Aneurysm size was 2.5 mm on average. Five patients had sustained a subarachnoid hemorrhage (SAH), 1 patient presented with sentinel headaches, and in 2 patients the aneurysm was incidentally discovered. Seven aneurysms arose from the ICA and 1 from the basilar artery. Placement of the PED was successful in all 8 patients. There were no procedural or perioperative complications in any of the patients. At the latest follow-up, all 8 patients achieved a favorable outcome (mRS 0-2). Angiographic follow-up was available for 6 patients at a mean time point of 3.9 months. Follow-up angiography showed 100% aneurysm occlusion in 5 patients and marked decrease in aneurysm size in 1 patient.

CONCLUSION: The findings of this study suggest that the PED may be a safe and effective treatment for BLAs. Given the limitations of other treatment modalities and the challenging nature of BLAs, flow diversion may be a valuable option for these lesions.

Copyright © by the Congress of Neurological Surgeons

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