scholarly journals But Did You Use HydroCoil? Perianeurysmal Edema and Hydrocephalus with Bare Platinum Coils

2008 ◽  
Vol 29 (2) ◽  
pp. 299-300 ◽  
Author(s):  
J.B. White ◽  
H.J. Cloft ◽  
D.F. Kallmes
Keyword(s):  
Bare Platinum Coils ◽  
Platinum Coils

Single-center Comparison of Bioactive versus Bare Platinum Coils for the Endovascular Treatment of Intracranial Aneurysms

Neurosurgery ◽  
2008 ◽  
Vol 62 (6) ◽  
pp. 1405
Author(s):  
Michelle J. Smith ◽  
Kyle Chapple ◽  
Justin Mascitelli ◽  
Philip E. Stieg ◽  
Howard A. Riina ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Intracranial Aneurysms ◽  
Single Center ◽  
Bare Platinum Coils ◽  
Platinum Coils

DELAYED VISUAL DEFICITS AND MONOCULAR BLINDNESS AFTER ENDOVASCULAR TREATMENT OF LARGE AND GIANT PARAOPHTHALMIC ANEURYSMS

Neurosurgery ◽  
2008 ◽  
Vol 63 (3) ◽  
pp. 469-475 ◽  
Author(s):  
Raymond D. Turner ◽  
James V. Byrne ◽  
Michael E. Kelly ◽  
Aristotelis P. Mitsos ◽  
Vivek Gonugunta ◽  
...  
Keyword(s):  
Endovascular Treatment ◽  
Coil Embolization ◽  
Case Series ◽  
Mass Effect ◽  
Endovascular Coiling ◽  
Visual Deterioration ◽  
Paraclinoid Aneurysms ◽  
Bare Platinum Coils ◽  
Platinum Coils

ABSTRACT OBJECTIVE Paraophthalmic aneurysms may exert mass effect on the optic apparatus. Although surgical clipping and endovascular coiling of these aneurysms can be complicated by immediate postoperative visual deterioration, endovascular coil embolization has the unique risk of visual complications later (>24 h) in the perioperative period. METHODS Six patients with a delayed onset of vision loss after technically successful coil embolization of paraophthalmic region aneurysms were identified. All available clinical, angiographic, and cross sectional imaging for these patients, in addition to histopathological data, were reviewed. RESULTS Six patients who underwent endovascular treatment of paraclinoid aneurysms at our institutions developed delayed postoperative visual decline. Four were treated with combination hydrogel-coated and bare platinum coils, one with hydrogel-coated coils, and one with bare platinum coils. Three patients presented with some degree of visual impairment caused by their aneurysms. Catheter angiography performed after the visual decline revealed no etiology in any of the cases. Magnetic resonance imaging was performed in all patients and was unremarkable in two. At follow-up, two had improved, three remained unchanged, and one patient died before any follow-up assessment of her vision. CONCLUSION Both acute and delayed visual disturbances can present after the endovascular treatment of carotid artery paraophthalmic aneurysms. Delayed visual deterioration can be observed up to 35 days after embolization. Although the cause is still undefined, it is likely that the more delayed visual deterioration can be attributed to progression of mass effect and/or perianeurysmal inflammatory change. Our case series raises the possibility that this phenomenon may be more likely with HydroCoil (HydroCoil Embolic System; MicroVention, Aliso Viejo, CA). This possibility should be taken into account by neurointerventionists when selecting a coil type to treat large paraophthalmic aneurysms.

Intracranial aneurysm coiling with PGLA-coated coils versus bare platinum coils: long-term anatomic follow-up

2011 ◽  
Vol 54 (4) ◽  
pp. 345-348 ◽  
Author(s):  
Michel Piotin ◽  
Silvia Pistocchi ◽  
Bruno Bartolini ◽  
Raphaël Blanc
Keyword(s):  
Intracranial Aneurysm ◽  
Bare Platinum Coils ◽  
Platinum Coils ◽  
Aneurysm Coiling

scholarly journals Transvenous Occlusion of a Dural Cavernous Sinus Fistula Using a New Expandable Hydrogel-Platinum Coil (Hydrocoil®)

2004 ◽  
Vol 10 (2) ◽  
pp. 151-154 ◽  
Author(s):  
H. Morsi ◽  
G. Benndorf ◽  
R. Klucznik ◽  
M. Mawad
Keyword(s):  
Cavernous Sinus ◽  
Clinical Investigation ◽  
Cerebral Aneurysms ◽  
Parent Vessel ◽  
Arteriovenous Fistulas ◽  
Type D ◽  
Complex Aneurysms ◽  
Platinum Coil ◽  
Bare Platinum Coils ◽  
Platinum Coils

Hydrogel-coated platinum coils (Hydrocoils®) are currently under clinical investigation for their efficacy to improve anatomic results of endovascular occlusion of cerebral aneurysms. A case is presented in which this new expandable coil type was added to bare platinum coils in order to accelerate the transvenous occlusion of a dural cavernous sinus fistula (DCSF). A 53-year -old woman presenting with mild left-sided eye redness and diplopia due to a DCSF (type D) underwent transvenous occlusion using bare platinum coils (Trufill®) and hydrogel coated coils (Hydrocoil®). After successful catherization of the cavernous sinus, bare platinum coils were densely packed and eventually combined with Hydrocoils® which resulted in immediate and complete occlusion of the fistula. No technical or clinical complication occurred. The new expansile hydrogel-coated platinum coil (Hydrocoil®) can be successfully combined with bare platinum coils to accelerate transvenous occlusion of an AV-shunting lesion. Controlled volume expansion after deployment of this device offers potential benefits for occlusion of dural arteriovenous fistulas in other locations or for parent vessel occlusions in the treatment of giant or large complex aneurysms.

scholarly journals Histological and Transmission Electron Microscopy Results after Embolization with HydroSoft/HydroFrame Coils in Experimental Swine Aneurysm

2019 ◽  
Vol 2019 ◽  
pp. 1-9
Author(s):  
Seisuke Iseki ◽  
Yumiko Mitome-Mishima ◽  
Ikuko Ogino ◽  
Yasuo Suga ◽  
Kenji Yatomi ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Second Generation ◽  
Treatment Strategies ◽  
Cerebral Aneurysms ◽  
Endothelial Cell Proliferation ◽  
Tissue Proliferation ◽  
Transmission Electron ◽  
Macroscopic Findings ◽  
Bare Platinum Coils ◽  
Platinum Coils

Coiling and clipping are standard treatment strategies for cerebral aneurysms. Regardless of the strategy used, recanalization may affect the patient’s prognosis. The aim of this study was to histologically and morphologically compare the tissue proliferation after coil embolization using bare platinum coils versus second-generation hydrogel coils (HydroSoft/HydroFrame; MicroVention, Inc., Aliso Viejo, CA, USA). Endothelial-like cell proliferation was seen in both groups at 2 weeks after surgery. Macroscopic findings showed a tighter layer at 4 weeks in the hydrogel coil group, and histological and immunohistochemical findings revealed endothelial cell proliferation. This layer became much thicker and tighter at 4 weeks after surgery. Aneurysms treated with second-generation hydrogel coils may be more stable and have a lower incidence of recanalization than those treated with bare platinum coils because of the tight endothelial layer proliferation.

Evaluation of the new HydroSoft coil in a canine model of bifurcation aneurysm

2009 ◽  
Vol 111 (1) ◽  
pp. 11-16 ◽  
Author(s):  
Tomoyuki Tsumoto ◽  
Yasunari Niimi ◽  
Alejandro Berenstein
Keyword(s):  
Technical Problem ◽  
Canine Model ◽  
Histopathological Analysis ◽  
Neointima Formation ◽  
Bifurcation Aneurysm ◽  
Aneurysm Occlusion ◽  
The Mean ◽  
Bare Platinum Coils ◽  
Platinum Coils

Object The present study was designed to evaluate the new HydroSoft coil as a finishing coil in a canine model of a wide-necked, high-flow bifurcation aneurysm. Methods Nine experimental aneurysms were created. The aneurysm dome was first embolized with bare platinum coils and HydroCoils, and then the remaining neck portion was embolized with HydroSoft coils to obtain maximum aneurysm occlusion. Follow-up angiography was performed at 1 and 3 months, and histopathological analysis was performed after the 3-month follow-up angiography. Results One hundred twenty-five HydroSoft coils were deployed into 9 aneurysms without any technical problem. The mean volume % of the bare platinum coils, HydroCoils, and HydroSoft coils were 23.0 ± 15.9, 63.0 ± 23.5, and 13.9 ± 8.9%, respectively. The mean aneurysm volumetric occlusion rate was 45.9%. At the 3-month follow-up angiography, 8 of 9 aneurysms remained stable and had not recanalized. Microscopically, most aneurysms showed complete endothelialization and thick neointima formation at the neck surface with no thrombus present. Conclusions The HydroSoft coil appears feasible as a finishing coil based on the results of this animal study. HydroSoft coils inserted at the neck of the aneurysm may help induce neointima formation, which may lead to less coil compaction and aneurysm recanalization in clinical practice.

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