scholarly journals Y-Configuration Stent Placement (Crossing and Kissing) for Endovascular Treatment of Wide-Neck Cerebral Aneurysms Located at 4 Different Bifurcation Sites

2012 ◽  
Vol 33 (7) ◽  
pp. 1310-1316 ◽  
Author(s):  
K.-J. Zhao ◽  
P.-F. Yang ◽  
Q.-H. Huang ◽  
Q. Li ◽  
W.-Y. Zhao ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Stent Placement ◽  
Cerebral Aneurysms ◽  
Wide Neck

The Effects of High Porosity Stent Configurations on Cerebral Aneurysm Hemodynamics

2011 ◽  
Author(s):  
Haithem Babiker ◽  
Justin Ryan ◽  
L. Fernando Gonzalez ◽  
Felipe Albuquerque ◽  
Daniel Collins ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Cerebral Aneurysm ◽  
Coil Embolization ◽  
Cerebral Aneurysms ◽  
High Porosity ◽  
Incomplete Filling ◽  
Aneurysmal Neck ◽  
Treatment For Cerebral Aneurysms ◽  
Wide Neck

Coil embolization is the most common endovascular treatment for cerebral aneurysms at many centers [1]. Nevertheless, the coiling of wide-neck aneurysms is a challenge. Incomplete filling of the aneurysmal sac due to coil configuration challenges and aneurysmal growth can often lead to recurrence. To assist treatment with coils, clinicians may deploy a high porosity stent in a staged process to act as a supporting bridge for coils. The stent is first deployed across the aneurysmal neck, and multiple coils are then deployed into the aneurysmal sac 6–8 weeks later [2]. Under certain circumstances, coil deployment is not possible and high porosity stents alone are used for treatment [2–3].

Intra-Aneurysmal Occlusion of Cerebral Aneurysms Using Detachable Coils: Correlation of Aneurysm Neck Size and Treatment Results

1997 ◽  
Vol 3 (2_suppl) ◽  
pp. 114-117
Author(s):  
K. Irie ◽  
W. Taki ◽  
I. Nakahara ◽  
N. Sakai ◽  
F. Isaka ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Intracranial Aneurysms ◽  
Cerebral Aneurysms ◽  
Treatment Results ◽  
Neck Size ◽  
Aneurysm Neck ◽  
Detachable Coils ◽  
Aneurysm Occlusion ◽  
Aneurysmal Neck ◽  
Wide Neck

The aneurysmal neck size seems to be an import ant factor in the endovascular treatment outcome4,5. The purpose of the present study was to measure aneurysm neck size on angiographic films, and compare the measured value with the extent of intra-aneurysmal occlusion performed with detachable coils. The subjects were 22 patients with intracranial aneurysms treated using detachable coils. The cases were divided into two groups according to the aneurysmal neck size, 4 mm being the discriminating value for small neck. The neck of the aneurysm was successfully occluded in 19 of 22 patients. Ten aneurysms had a small neck and 9 aneurysms had a wide neck. Complete aneurysm occlusion was observed in 70% of small neck aneurysms and 25% of wide neck aneurysms. The results support that the size of the aneurysm neck correlates well with the effectiveness of endovascular treatment.

A novel endovascular clip system for the treatment of intracranial aneurysms: technology, concept, and initial experimental results

2008 ◽  
Vol 108 (6) ◽  
pp. 1230-1240 ◽  
Author(s):  
Thomas R. Marotta ◽  
Thorsteinn Gunnarsson ◽  
Ian Penn ◽  
Donald R. Ricci ◽  
Ian Mcdougall ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Delivery System ◽  
Intracranial Aneurysms ◽  
Balloon Catheter ◽  
Cerebral Aneurysms ◽  
Histopathological Analysis ◽  
Parent Vessel ◽  
Flow Models ◽  
Aneurysm Neck ◽  
Novel Device

Object The authors describe a novel device for the endovascular treatment of intracranial aneurysms, the endovascular clip system (eCLIPs). Descriptions of the device and its delivery system as well as the results of flow model tests and the treatment of experimental aneurysms are provided. Methods The eCLIPs comprises a flexible hybrid implantable device (an anchor and a covered leaf) and a balloon catheter delivery system, designed to be positioned and activated in the parent vessel in such a way that the covered portion will abut the aneurysm neck. The eCLIPs was subjected to testing in glass, elastomeric, and cadaveric flow models to determine its navigability, orientation, and activation compared with commercially available stents. In a second experiment, 8 carotid artery sidewall aneurysms in swine were treated using eCLIPs. The degree of occlusion was observed on angiography immediately following and 30 days after device activation, and a histological analysis was performed at 30 days. Results The device could navigate tortuous glass models and human cadaveric vessels. Compared with commercially available stents, the eCLIPs performed well. It could be navigated, oriented, and activated easily and reliably. With regard to the 8 porcine experimental aneurysms, immediate postactivation angiograms confirmed complete occlusion of 4 lesions and near occlusion of the other 4. Angiographic follow-up at 30 days postactivation showed occlusion of all 8 aneurysms and patency of all parent vessels. Histopathological analysis revealed aneurysm healing, with smooth-muscle cells growing across the lesion neck to allow reendothelialization. Conclusions Aneurysm occlusion with a single extrasaccular endovascular device has potential advantages. The authors believe that eCLIPs may prove to be a useful tool in the endovascular treatment of cerebral aneurysms. The system should reduce risks associated with coiling, procedure time, costs, and radiation exposure. The device satisfactorily occluded 8 experimental sidewall aneurysms. The observed healing pattern is similar to that seen after microsurgical clipping.

Abstract WP33: Early Lessons Learned From the WEB Device: Feasibility, Technique and Complications—A Real Life Experience

Stroke ◽  
2020 ◽  
Vol 51 (Suppl_1) ◽  
Author(s):  
Nikolaos Mouchtouris ◽  
David Hasan ◽  
Fadi Al Saiegh ◽  
Ahmad Sweid ◽  
Mario Zanaty ◽  
...  
Keyword(s):  
Real Life ◽  
Cerebral Aneurysms ◽  
High Volume ◽  
Additional Treatment ◽  
Lessons Learned ◽  
Parent Vessel ◽  
Aneurysm Embolization ◽  
Web Device ◽  
Wide Neck ◽  
The Web

Introduction: Wide-neck bifurcation cerebral aneurysms have always posed a treatment challenge and have historically required either clip ligation, or stent vs. balloon-assisted coil embolization. This predicament led to the development of the newly FDA-approved Woven EndoBridge (WEB) aneurysm embolization system (Sequent Medical Inc, Aliso Viejo, CA) Which is a self-expanding mesh that achieves intrasaccular flow disruption and does not require antithrombotic medications. In this study, we report our experience with the first 64 consecutive aneurysms treated via WEB embolization at two high-volume institutions. Methods: We reviewed our first 61 consecutive patients with 64 cerebral aneurysms who underwent WEB embolization from February-August 2019. We collected data on patient demographics and clinical presentation, aneurysm characteristics, device and procedural details, and functional outcomes. Results: A total of 64 aneurysms were included in our study. Fifteen patients (24.1%) presented with acutely ruptured aneurysm while the rest were unruptured. The majority of patients (82.8%) required only one attempt for successful device deployment, while a stent was necessary as an adjunct treatment in 4 patients (6.3%) due to WEB herniation. Two patients had residual aneurysm that had to undergo additional treatment; one of them underwent second WEB embolization and one underwent clip ligation. One patient with a PICA aneurysm had device dislodgment with injury to the parent vessel—Onyx and coils were used to deconstruct the vertebral artery. Conclusions: The advent of the WEB device has significantly impacted the surgical decision-making for the treatment of bifurcation, wide-neck aneurysms. We discuss in detail the lessons learned from patient selection, device size selection, technique, and complications from two institutions with high-volume endovascular and microsurgical aneurysm treatment experience.

scholarly journals MTI (Dendron) Variable Detachable Coils

2003 ◽  
Vol 9 (1) ◽  
pp. 47-52
Author(s):  
J. Thammaroj ◽  
V. Jayakrishnan ◽  
S. Lamin ◽  
S. Jenkins ◽  
E. Teasdale ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Feasibility Study ◽  
Clinical Experience ◽  
Cerebral Aneurysms ◽  
Detachable Coils ◽  
Formed Part ◽  
Small Aneurysms ◽  
Initial Clinical Experience

We present our initial clinical experience of Dendron Variable Detachable System (VDS) coils, now Sapphire VDS from MTI, in the endovascular treatment of cerebral aneurysms. VDS coils, uniquely, can be detached at variable points along their length, allowing placement of as much or as little as desired of the coil within the aneurysm. Our ten patients formed part of a multicentre feasibility study. VDS coils were successfully deployed in all but one aneurysm. The electrolytic detachment mechanism with practice is both simple to use and reliable. The coils are however slightly stiffer than standard coils limiting their use in small aneurysms. This remains a technology in evolution.

scholarly journals Simultaneous Endovascular Treatment of Ruptured Cerebral Aneurysms and Vasospasm

2015 ◽  
Vol 16 (1) ◽  
pp. 180 ◽  
Author(s):  
Young Dae Cho ◽  
Moon Hee Han ◽  
Jun Hyong Ahn ◽  
Seung Chai Jung ◽  
Chang Hun Kim ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Cerebral Aneurysms

scholarly journals The quality of life in patients with ruptured multiple cerebral aneurysms after endovascular treatment

2020 ◽  
Vol 15 (3) ◽  
Author(s):  
Anna Anatolyevna Oleinik ◽  
Natalia Evgenievna Ivanova ◽  
Sergey Anatolievich Goroshchenko ◽  
Arkady Aleksandrovich Ivanov ◽  
Ekaterina Anatolyevna Oleynik ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Endovascular Treatment ◽  
Cerebral Aneurysms
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