Feasibility and Safety of Pipeline Embolization Device in Patients With Ruptured Carotid Blister Aneurysms

Author:

,Yoon Jang W.1,Siddiqui Adnan H.2,Dumont Travis M.23,Levy Elad I.2,Hopkins L. Nelson2,Lanzino Giuseppe4,Lopes Demetrius K.5,Moftakhar Roham5,Billingsley Joshua T.5,Welch Babu G.1,Boulos Alan S.6,Yamamoto Junichi7,Tawk Rabih G.7,Ringer Andrew J.8,Hanel Ricardo A.19

Affiliation:

1. Department of Neurosurgery, Mayo Clinic, Jacksonville, Florida

2. Department of Neurosurgery, University of Buffalo Medical Center, Buffalo, New York

3. Department of Surgery, Division of Neurosurgery, University of Arizona, Tucson, Arizona (work was conducted while at the University of Buffalo Medical Center, Buffalo, New York)

4. Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota

5. Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois

6. Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, Texas

7. Department of Neurosurgery, Albany Medical Center, Albany, New York

8. Department of Neurosurgery, University of Cincinnati Medical Center, Cincinnati, Ohio

9. Lyerly Neurosurgery, Baptist Health, Jacksonville, Florida

Abstract

Abstract BACKGROUND: Treatment of internal carotid ruptured blister aneurysms (IC-RBA) presents many challenges to neurosurgeons because of the high propensity for rebleeding during intervention. The role of a Pipeline Embolization Device (PED) in the treatment of this challenging aneurysm subtype remains undefined despite theoretical advantages. OBJECTIVE: To present a series of 11 patients treated with a PED and to discuss the management and results of this novel application of flow diverters. METHODS: Medical records of patients who presented with IC-RBA from May 2011 to March 2013 were retrospectively reviewed at 6 institutions in the United States. All relevant data were independently compiled. RESULTS: A total of 12 IC-RBAs in 11 patients were treated during the study period. Nine (75%) were treated with a single PED; 1 was treated with 2 PEDs; 1 was treated with coils and 1 PED; and 1 was treated with coils and 2 PEDs. Three (27%) had major perioperative complications: middle cerebral artery territory infarction, vision loss, and death. Seven patients demonstrated complete obliteration of the aneurysm in postoperative imaging. Early clinical outcomes were favorable (modified Rankin Scale score, 0–2) in all 10 survivors. CONCLUSION: This study demonstrates the feasibility and safety of using the PED to treat IC-RBA with fair initial results. The proper introduction and management of antiplatelet regimen are key for successful results. Bleeding complications related to dual antiplatelet therapy were similar to those in previous studies of stent-assisted coiling for the same population. Larger cohort analysis is needed to define the precise role of flow diverters in the treatment of IC-RBA.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Neurology (clinical),Surgery

Reference28 articles.

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2. Blood blister-like aneurysms at nonbranching sites of the internal carotid artery;Sim;J Neurosurg,2006

3. Aneurysms at nonbranching sites in the surpaclinoid portion of the internal carotid artery: internal carotid artery trunk aneurysms;Ogawa;Neurosurgery,2000

4. Stent-assisted treatment of unruptured and ruptured intracranial aneurysms: clinical and angiographic outcome;Galal;Br J Neurosurg,2013

5. Endovascular treatment using predominantly stent-assisted coil embolization and antiplatelet and anticoagulation management of ruptured blood blister-like aneurysms;Meckel;AJNR Am J Neuroradiol,2011

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