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Stent-assisted coiling

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https://www.readbyqxmd.com/read/29778996/stent-and-flow-diverter-assisted-treatment-of-acutely-ruptured-brain-aneurysms
#1
José E Cohen, J Moshe Gomori, Ronen R Leker, Sergey Spektor, Hosni Abu El Hassan, Eyal Itshayek
OBJECTIVE: We present our experience with stent techniques in the management of acutely ruptured aneurysms, focusing on aneurysm occlusion rates, intraprocedural complications, and late outcomes. METHODS: We retrospectively reviewed the clinical records of patients treated by stent techniques during the early acute phase of aneurysmal rupture, from June 2011 to June 2016. Patients who underwent stenting for the management of unruptured aneurysms, or in a delayed fashion for a ruptured lesion, were excluded...
May 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29778598/relevance-of-antiplatelet-therapy-duration-after-stent-assisted-coil-embolization-for-unruptured-intracranial-aneurysms
#2
Tackeun Kim, Chang Hyeun Kim, Si-Hyuck Kang, Seung Pil Ban, O-Ki Kwon
BACKGROUND: The optimal duration of dual antiplatelet therapy (DAPT) for preventing delayed thromboembolic events (DTEs) remains unclear. We aimed to determine whether longer DAPT provides improved protection against delayed DTEs. METHODS: This retrospective cohort study included 507 stent-assisted coil embolization procedures using a single stent for unruptured intracranial aneurysms. We performed coarsened exact matching according to the duration of maintenance DAPT...
May 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29765397/lvis-jr-device-for-y-stent-assisted-coil-embolization-of-wide-neck-intracranial-aneurysms-a-multicenter-experience
#3
Edgar A Samaniego, Aldo A Mendez, Thanh N Nguyen, Vladimir Kalousek, Waldo R Guerrero, Sudeepta Dandapat, Guilherme Dabus, Italo Linfante, Ameer E Hassan, Alexander Drofa, Evgueni Kouznetsov, David Leedahl, David Hasan, Alberto Maud, Santiago Ortega-Gutierrez
Background and Purpose: Complex wide-neck intracranial aneurysms are challenging to treat. We report a multicenter experience using the LVIS Jr stent for "Y-stent"-assisted coiling embolization of wide-neck bifurcation aneurysms. Methods: Seven centers provided retrospective data on patients who underwent Y-stenting. Technical complications, immediate posttreatment angiographic results, clinical outcomes, and imaging follow-up were assessed. Results: Thirty patients/aneurysms were treated: 15 basilar tip, 8 middle cerebral artery, 4 anterior communicating artery, 1 pericallosal, and 2 posterior inferior cerebellar artery aneurysms...
April 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29764034/-application-of-low-profile-visualized-intraluminal-support-lvis-stents-in-assisting-coil-embolization-of-intracranial-aneurysms
#4
D C Xu, J Li, Z Q Jiang
Objective: To evaluate the safety and effectiveness of application of LVIS stent-assisted coiling endovascular procedures in cerebral aneurysms . Methods: The clinical data of 41 patients with intracranial aneurysms , which were performed in LVIS stent-assisted coiling endovascular therapies from June 2015 to October 2017 in The First Affiliated Hospital of Bengbu Medical College were analyzed retrospectively. 13 patients were unruptured and 28 patients were ruptured. Immediate angiography outcomes and follow-up angiography outcomes were assessed by DSA...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29762775/combination-superficial-temporal-artery-middle-cerebral-artery-bypass-and-m2-m2-reanastomosis-with-trapping-of-a-stented-distal-middle-cerebral-artery-aneurysm-3-dimensional-operative-video
#5
Jan-Karl Burkhardt, Sonia Yousef, Halima Tabani, Arnau Benet, Roberto Rodriguez Rubio, Michael T Lawton
Distal middle cerebral artery (MCA) aneurysms often have non-saccular morphology and cannot be clipped, requiring revascularization and trapping instead. Combination bypasses are needed when 2 arteries exit the aneurysm, and extracranial-intracranial and intracranial-intracranial bypasses can be used. This video demonstrates a combination bypass used to treat a previously stented distal MCA aneurysm with both a superficial temporal artery (STA)-to-MCA bypass and an M2-to-M2 reanastomosis. This 56-yr-old man presented with distal left-sided MCA aneurysm 2 years earlier and attempted stent-assisted coiling was aborted after the aneurysm was perforated with stenting alone...
May 12, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29758329/endovascular-treatment-for-a-true-aneurysm-of-the-transplant-renal-artery-using-noncovered-stent-assisted-coil-embolization
#6
Zhenjiang Li, Yiming Li, Zaiping Jing, Rui Feng
True degenerative aneurysms involving the donor renal artery after kidney transplantation are rather rare. The indications for operation and optimal therapy to combat this vascular complication are still not clear. Surgical revision has been used as a potential treatment; nonetheless, it has been associated with high risk of complications. In the present study, we report on a 31-year-old woman with a true aneurysm located at transplant renal artery after transplantation that was successfully managed with stent-assisted coil embolization, resulting in occluded aneurysm sac and well-preserved renal function without any complication...
May 11, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29736426/stent-assisted-treatment-of-ruptured-intracranial-aneurysms-in-the-acute-phase-a-single-center-experience
#7
Michael J Ho, Sophia L Göricke, Petra Mummel, Christoph Mönninghoff, Karsten Wrede, Isabel Wanke
Introduction: The purpose of this study was to analyze the results of patients with ruptured aneurysms who were treated with a specific microstent in the acute phase of subarachnoid hemorrhage. Methods: Data from patients with acutely-ruptured intracranial aneurysm treated with the Neuroform stent in the period between 2003 and 2016 were retrospectively assessed, addressing aneurysm occlusion and clinical outcome with a focus on periprocedural complications. Results: Twenty-nine consecutive patients with ruptured intracranial aneurysms were included in the analysis...
March 2018: ENeurologicalSci
https://www.readbyqxmd.com/read/29725567/one-stage-stent-assisted-coil-embolization-for-rupture-side-unknown-bilateral-vertebral-artery-dissecting-aneurysms-in-an-acute-stage-a-case-report
#8
Mio Terashima, Yoichi Miura, Fujimaro Ishida, Naoki Toma, Tomohiro Araki, Shinichi Shimosaka, Kenji Kanamaru, Hidenori Suzuki
Bilateral vertebral artery dissecting aneurysms (VADAs) with subarachnoid hemorrhage (SAH) are rare and their management is still challenging. In this report, we successfully performed one-stage stent-assisted coil embolization (SAC) for bilateral VADAs with SAH in an acute stage, because the ruptured side could not be diagnosed. A 47-year-old woman presented with a sudden onset of headache without laterality, and left-side dominant SAH with bilateral VADAs was noted on computed tomography (CT) scans. The size of aneurysmal dome and neck was similar between the two VADAs, and a bleb was observed only on the right VADA...
April 2018: NMC Case Report Journal
https://www.readbyqxmd.com/read/29716478/bidirectional-transradial-and-transfemoral-approach-for-stent-assisted-coil-embolization-of-right-subclavian-artery-saccular-aneurysm
#9
Jin Kyung Oh, Jae-Hwan Lee
Subclavian artery aneurysms are rare lesions that usually require treatment for complications. Bidirectional stent-assisted coil embolization is the most effective treatment of complex wide-necked aneurysms. The stents provide a rigid scaffold that allows coil deposition with reduced risk of coil herniation into the parent vessel lumen. Bidirectional transradial and transfemoral approaches contribute to stable procedure. We report a successful bidirectional stent-assisted coil embolization of a saccular aneurysm of the subclavian artery as an alternative to stent graft implantation to diminish the risk of right vertebral artery occlusion...
January 1, 2018: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29707096/dissecting-vertebral-artery-aneurysm-presenting-regrowth-after-stent-assisted-coil-embolization-in-acute-stage
#10
Takamichi Hijikata, Eiichi Baba, Kazutaka Shirokane, Atsushi Tsuchiya, Motohiro Nomura
For a case of dissecting vertebral artery aneurysm (DVAA) in a dominant vertebral artery (VA) or posterior inferior cerebellar artery (PICA)-involving lesion, stent-assisted coil embolization (SACE) is an effective technique to preserve blood flow of the VA. A 41-year-old man presented with subarachnoid hemorrhage. Angiography demonstrated DVAA on the left VA just distal to the PICA, and the right VA was thinner than the left. For this case, SACE was performed to preserve the left VA and PICA. On the 10th day, angiography showed recurrence of the dissection...
June 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29698797/current-status-of-the-pulserider-in-the-treatment-of-bifurcation-aneurysms-a-systematic-review
#11
REVIEW
Pedro Aguilar-Salinas, Leonardo B C Brasiliense, Christina M Walter, Ricardo A Hanel, Travis M Dumont
BACKGROUND: The PulseRider is an innovative stent-like device designed for the treatment of intracranial bifurcation aneurysms. The aim of this study was to assess the current evidence on safety and effectiveness of the PulseRider. METHODS: A systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The following databases were searched: PubMed, Ovid MEDLINE, and Scopus. The search strategy consisted of 'pulserider', 'bifurcation aneurysm', and 'endovascular' in both AND and OR combinations...
April 23, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29683412/225-intracranial-aneurysms-treated-with-the-low-profile-visualized-intraluminal-support-lvis-stent-a-single-center-retrospective-study
#12
Wei Su, Yisen Zhang, Junfan Chen, Jian Liu, Gary Rajah, Xinjian Yang
Background For the treatment of intracranial aneurysms, the low-profile visualized intraluminal support (LVIS) stent is a new generation of highly visible-braided stent that was recently introduced in China. Here, we report our single-center retrospective experience of safety and efficacy utilizing LVIS for stent-assisted coiling of intracranial aneurysms. Methods We included 218 patients with intracranial aneurysms consecutively treated with LVIS SR stents at our center in this study. Postoperative and follow-up embolization scores, procedural complications, clinical and angiographic findings at mid-term follow-up, as well as recurrence rate, preoperative and follow-up mRS scores were analyzed...
April 23, 2018: Neurological Research
https://www.readbyqxmd.com/read/29678886/the-neuroform-atlas-stent-to-assist-coil-embolization-of-intracranial-aneurysms-a-multicentre-experience
#13
Christian Ulfert, Mirko Pham, Michael Sonnberger, Franco Amaya, Johannes Trenkler, Martin Bendszus, Markus A Möhlenbruch
OBJECTIVE: To assess the clinical safety and efficacy of the Atlas microstent in stent-assisted coil embolization of wide-necked intracranial aneurysms. METHODS: Single-center observational study in 36 patients (24 female, 12 male, mean age 56 years) with 37 aneurysms for the endovascular treatment of wide-necked aneurysms. After giving informed consent, patients were included according to the following criteria: aneurysm dome-to-neck ratio <2 or neck diameter >4 mm, and a parent vessel diameter of ≤4...
April 20, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29675589/does-stent-type-impact-coil-embolization-outcomes-in-extended-follow-up-of-small-sized-aneurysms-10-mm
#14
Jeongjun Lee, Young Dae Cho, Dong Hyun Yoo, Hyun-Seung Kang, Won-Sang Cho, Jeong Eun Kim, Jusun Moon, Moon Hee Han
PURPOSE: Self-expandable stents have enabled endovascular treatment of wide-necked aneurysms (ordinarily viewed as technically prohibitive), with favorable outcomes. However, the impact of stent type on occlusive stability has not been adequately investigated. In small-sized unruptured saccular aneurysms, we generated estimates of stent-assisted coil embolization outcomes during follow-up monitoring. Stent type and other risk factors linked to recanalization were analyzed. METHODS: A cohort of 286 patients harboring 312 small-sized unruptured aneurysms (< 10 mm) was subjected to mid-term and extended follow-up monitoring after stent-assisted coiling...
April 20, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29660038/external-ventricular-drain-and-hemorrhage-in-aneurysmal-subarachnoid-hemorrhage-patients-on-dual-antiplatelet-therapy-a-retrospective-cohort-study
#15
Joseph S Hudson, Benjamin S Prout, Yasunori Nagahama, Daichi Nakagawa, Waldo R Guerrero, Mario Zanaty, Nohra Chalouhi, Pascal Jabbour, Sudeepta Dandapat, Lauren Allan, Santiago Ortega-Gutierrez, Edgar A Samaniego, David Hasan
BACKGROUND: Stenting and flow diversion for aneurysmal sub arachnoid hemorrhage (aSAH) require the use of dual antiplatelet therapy (DAPT). OBJECTIVE: To investigate whether DAPT is associated with hemorrhagic complication following placement of external ventricular drains (EVD) in patients with aSAH. METHODS: Rates of radiographically identified hemorrhage associated with EVD placement were compared between patients who received DAPT for stenting or flow diversion, and patients who underwent microsurgical clipping or coiling and did not receive DAPT by way of a backward stepwise multivariate analysis...
April 11, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29628946/a-prospective-multicenter-trial-of-the-transform-occlusion-balloon-catheter-trial-design-and-results
#16
M Asif Taqi, Syed A Quadri, Ajit S Puri, Brian F Fitzsimmons, Jianhua Nancy Jin, Ansaar T Rai, Curtis A Given, Javier Masso, Ciaran J Powers, Joey D English, Osama O Zaidat
Background and Purpose: Adjunctive treatments like balloon-assisted coil embolization (BACE) and stent-assisted coil embolization play a major role in the treatment of wide-neck and large intracranial aneurysms. The TransForm™ Occlusion Balloon Catheter (TOBC) registry is intended to evaluate the safety, efficacy, and efficiency of BACE using the TOBC. Method and Study Design: The TOBC registry is a prospective multicenter registry trial. Seven sites in the USA and 1 site in Spain participated and enrolled 81 patients...
February 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29625853/symptomatic-delayed-coil-migration-after-balloon-assisted-embolization-an-underreported-adverse-event
#17
Lino Fonseca, Rafael Najarro-Quispe, Ana Rodríguez-Hernández, Ramon Torné, Dario Gándara-Sabatini, Fuat Arikan, Pilar Baños-Carrasco
Microsurgical clipping is still regarded as the gold-standard treatment for broad-neck intracranial aneurysms. New endovascular techniques like balloon or stent assisted coiling are quickly rising to the challenge and showing promising outcomes. As a result, broad-neck aneurysms are increasingly addressed by these techniques despite they have not been tested against clipping in a randomized controlled trial and long-term complications might be unknown yet. Intraprocedural coil migration has been well documented in the literature, but the same complication in a delayed fashion is scarcely reported...
April 3, 2018: Neurocirugía
https://www.readbyqxmd.com/read/29614363/antiplatelet-premedication-free-stent-assisted-coil-embolization-in-acutely-ruptured-aneurysms
#18
Hyun Ho Choi, Young Dae Cho, Moon Hee Han, Won-Sang Cho, Jeong Eun Kim, Jung Jun Lee, Sang Joon An, Jong Hyeon Mun, Dong Hyun Yoo, Hyun-Seung Kang
INTRODUCTION: Stent-assisted coil embolization (SAC) is one of the treatment options for patients with intracranial aneurysms. The purpose of this study was to assess clinical outcomes of patients who underwent coil embolization for acutely ruptured aneurysms without antiplatelet premedication. METHODS: A total of 449 patients with acutely ruptured aneurysms underwent endovascular treatment without antiplatelet premedication between April 2006 and October 2015. Among them, 55 patients underwent SAC (SAC group) and 394 underwent coiling without stent assistance (non-SAC group)...
March 31, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29599173/parent-artery-reconstruction-for-large-or-giant-cerebral-aneurysms-using-the-tubridge-flow-diverter-a-multicenter-randomized-controlled-clinical-trial-parat
#19
J-M Liu, Y Zhou, Y Li, T Li, B Leng, P Zhang, G Liang, Q Huang, P-F Yang, H Shi, J Zhang, J Wan, W He, C Liang, G Zhu, Y Xu, B Hong, X Yang, W Bai, Y Tian, H Zhang, Z Li, Q Li, R Zhao, Y Fang, K Zhao
BACKGROUND AND PURPOSE: Although flow diverters have been reported with favorable clinical and angiographic outcomes in various literatures, randomized trials determining their true effectiveness and safety are still in lack. The Parent Artery Reconstruction for Large or Giant Cerebral Aneurysms Using the Tubridge Flow Diverter (PARAT) trial was designed to evaluate the safety and efficacy of the Tubridge flow diverter in the treatment of large or giant aneurysms in comparison with Enterprise stent-assisted coiling...
March 29, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29579261/neuroform-atlas-stent-assisted-coiling-preliminary-results
#20
Michelle F M Ten Brinck, Joost de Vries, Ronald H M A Bartels, J André Grotenhuis, Hieronymus D Boogaarts
BACKGROUND: Stent-assisted coiling (SAC) is increasingly being performed as intervention for wide-neck intracranial aneurysms. The NeuroForm Atlas Stent (CE-marked; Stryker, Kalamazoo, Michigan) is relatively new. OBJECTIVE: To evaluate the effectiveness and safety of NeuroForm Atlas SAC for intracranial aneurysms in the first such study. METHODS:  We retrospectively analyzed data from all patients treated with the NeuroForm Atlas SAC of an intracranial aneurysm, both ruptured and unruptured, between June 2015 and December 2016...
March 21, 2018: Neurosurgery
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