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Stent-assisted coiling

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https://www.readbyqxmd.com/read/28530161/dual-microcatheter-coil-embolization-of-acutely-ruptured-wide-necked-intracranial-aneurysms
#1
Pyeong-Ho Yoon, Jae-Wook Lee, Yun-Ho Lee, Young-Sub Kwon, Kook-Hee Yang
The dual microcatheter technique is an alternative treatment for stent-assisted coiling in acutely ruptured wide-necked aneurysms because of no antiplatelet therapy. We assessed the safety and efficacy of this technique in ruptured wide-necked aneurysms. Between March 2008 and March 2016, 56 acutely ruptured aneurysms were treated with the dual microcatheter technique. The angiographic results, treatment-related complications, and clinical outcome were documented. Angiographic follow-up was available in 37 patients at a mean of 20...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28488070/cerebral-aneurysm-neck-diameter-is-an-independent-predictor-of-progressive-occlusion-after-stent-assisted-coiling
#2
Masahito Nakazaki, Tadashi Nonaka, Tatsufumi Nomura, Toshiyuki Onda, Yasuyuki Yonemasu, Akira Takahashi, Yuji Hashimoto, Osamu Honda, Shinichi Oka, Masanori Sasaki, Masahiko Daibo, Osamu Honmou
BACKGROUND: Some intracranial aneurysms treated by stent-assisted coiling (SAC) with incomplete occlusion undergo progressive occlusion (PO) during follow-up period. We analyzed the predictors for the occurrence of PO. METHODS: Among 74 cerebral aneurysms treated by SAC using the Enterprise or Neuroform stents from 2010 to 2015, we included 43 aneurysms with occlusion grade of neck remnant (NR, n = 36) or residual aneurysm (RA, n = 7) at the post-procedure. We defined PO as improvement in occlusion grade from RA to NR, or from NR or RA to complete occlusion on angiographic follow-up imaging at 6 months after the procedure...
May 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28473345/temporary-stent-assisted-coil-embolization-as-a-treatment-option-for-wide-neck-aneurysms
#3
M Müller, C Brockmann, S Afat, O Nikoubashman, G A Schubert, A Reich, A E Othman, M Wiesmann
BACKGROUND AND PURPOSE: Simple coil embolization is often not a feasible treatment option in wide-neck aneurysms. Stent-assisted coil embolization helps stabilize the coils within the aneurysm. Permanent placement of a stent in an intracranial vessel, however, requires long-term platelet inhibition. Temporary stent-assisted coiling is an alternative technique for the treatment of wide-neck aneurysms. To date, only case reports and small case series have been published. Our purpose was to retrospectively analyze the effectiveness and safety of temporary stent-assisted coiling in a larger cohort...
May 4, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28439656/-management-of-paraophthalmic-aneurysms-review-of-endovascular-treatment-strategies
#4
P Bhogal, M Aguilar Pérez, G Sauder, H Bäzner, O Ganslandt, H Henkes
BACKGROUND: Aneurysms of the cerebral vessels are relatively common and aneurysms of the ophthalmic segment of the internal carotid artery (ICA) represent approximately 10% of intradural aneurysms. ANATOMICAL ASPECTS: The ophthalmic segment of the ICA extends from the origin of the ophthalmic artery to the origin of the posterior communicating artery. Aneurysms can originate from the ophthalmic artery itself or directly from the ICA at a distance from the ophthalmic artery...
April 24, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28416090/clipping-in-awake-surgery-as-end-stage-in-a-complex-internal-carotid-artery-aneurysm-after-failure-of-multimodal-endovascular-and-extracranial-intracranial-bypass-treatment
#5
Delia Cannizzaro, Simone Peschillo, Cristina Mancarella, Biagia La Pira, Emanuela Rastelli, Emiliano Passacantilli, Antonio Santoro
BACKGROUND: Intracranial carotid artery aneurysm can be treated via microsurgical or endovascular techniques. The optimal planning is the result of the careful patient selection through clinical, anatomic, and angiographic analysis. CLINICAL PRESENTATION: We present a case of ruptured internal carotid artery (ICA) aneurysm that became a complex aneurysm after failure of multi-endovascular and surgery treatment. We describe complete trapping in awake craniotomy after failure of coiling, stenting, and bypassing...
April 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28401260/stent-assisted-coiling-of-wide-neck-bifurcation-aneurysms-with-a-branch-incorporated-in-the-aneurysm-base-long-term-follow-up-in-49-patients-with-53-aneurysms
#6
Boris Lubicz, Ricardo Morais, Pierre-Julien Bruyère, Noémie Ligot, Benjamin Mine
PURPOSE: Wide-neck bifurcation intracranial aneurysms (WNBA) with a branch incorporated in the aneurysm base remain difficult to treat by embolization. We aim to report our long-term follow-up of stent-assisted coiling (SAC) in this subgroup of patients. METHODS: This study was approved by our local ethical committee. A retrospective review of our prospectively maintained database identified all patients treated in our institution by SAC for a WNBA with a branch incorporated in the aneurysm base...
April 11, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28391673/endoscopic-ultrasound-guided-vascular-therapy-the-present-and-the-future
#7
REVIEW
Philip S J Hall, Christopher Teshima, Gary R May, Jeffrey D Mosko
Endoscopic ultrasound (EUS) offers access to many intra-abdominal vessels that until now have only been accessible to the surgeon and interventional radiologist. In addition to assisting with diagnostics, this unique access offers the potential for therapeutic intervention for a host of indications. To date, this has had the most clinical impact in the treatment of gastroesophageal varices, with EUS-guided coil and glue application growing in use worldwide. Although randomised controlled trial data is lacking, we discuss the growing body of literature behind EUS-guided therapy in the management of varices...
March 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28387631/aneurysm-wall-enhancement-on-magnetic-resonance-imaging-as-a-risk-factor-for-progression-of-unruptured-vertebrobasilar-dissecting-aneurysms-after-reconstructive-endovascular-treatment
#8
Yisen Zhang, Binbin Sui, Jian Liu, Yang Wang, Zhongbin Tian, Junfan Chen, Zhongxue Wu, Xinjian Yang
OBJECTIVE The recurrence rate of vertebrobasilar dissecting aneurysms (VBDAs) after reconstructive endovascular treatment (EVT) is relatively high. The aneurysm wall enhancement on high-resolution MRI (HRMRI) reportedly predicts an unsteady state of an intracranial aneurysm. The authors used HRMRI to investigate the relationship between wall enhancement on HRMRI and progression of VBDAs after reconstructive EVT. METHODS From January 2012 to December 2015, patients with an unruptured VBDA who underwent reconstructive EVT were enrolled in this study...
April 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28385886/preliminary-experience-with-stent-assisted-coiling-of-aneurysms-arising-from-small-2-5-mm-cerebral-vessels-using-the-low-profile-visualized-intraluminal-support-device
#9
C-C Wang, W Li, Z-Z Feng, B Hong, Y Xu, J-M Liu, Q-H Huang
BACKGROUND AND PURPOSE: The Low-Profile Visualized Intraluminal Support (LVIS) stent is a new device recently introduced for the treatment of wide-neck intracranial aneurysms. This single-center study presents the authors' preliminary experience using the LVIS stent to treat saccular aneurysms with parent arteries smaller than 2.5 mm. MATERIALS AND METHODS: Aneurysms with a LVIS stent used in a small parent vessel (<2.5 mm in diameter) between October 2014 and April 2016 were included...
April 6, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28377443/predisposing-factors-for-recanalization-of-cerebral-aneurysms-after-endovascular-embolization-a-multivariate-study
#10
Qianqian Zhang, Linkai Jing, Jian Liu, Kun Wang, Ying Zhang, Nikhil Paliwal, Hui Meng, Yang Wang, Shengzhang Wang, Xinjian Yang
BACKGROUND: The recanalization of cerebral aneurysms after endovascular embolization (coiling or stent-assisted coiling) has been a matter of concern. OBJECTIVE: To systematically evaluate the predisposing factors for cerebral aneurysm recanalization using multidimensional analysis in a large patient cohort. METHODS: In 238 patients with 283 aneurysms, patient baseline characteristics, aneurysm morphological characteristics, treatment-related factors, and changes in flow hemodynamics after endovascular treatment (coiling or stent-assisted coiling) were compared between the recanalization and non-recanalization groups...
April 4, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28368544/one-year-angiographic-results-after-pconus-stent-assisted-coiling-of-40-wide-neck-middle-cerebral-artery-aneurysms
#11
Benjamin Gory, Marta Aguilar-Pérez, Elisa Pomero, Francis Turjman, Werner Weber, Sebastian Fischer, Hans Henkes, Alessandra Biondi
BACKGROUND: Bifurcation middle cerebral artery (MCA) aneurysms with wide neck are amenable to endovascular coiling with pCONus stent, a recent device dedicated to wide-neck bifurcation intracranial aneurysms. OBJECTIVE: To evaluate the 1-year angiographic follow-up of wide-neck MCA aneurysms treated with pCONus. METHODS: Forty MCA aneurysms (mean dome size, 7.7 mm; mean neck size, 5.6 mm) coiled with pCONus were retrospectively evaluated. "Recanalization" was defined as worsening, and "progressive thrombosis" was defined as improvement on the Raymond scale...
June 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28357169/low-profile-visualized-intraluminal-support-junior-device-for-the-treatment-of-intracranial-aneurysms
#12
Mihir Gupta, Vincent J Cheung, Peter Abraham, Arvin R Wali, David R Santiago-Dieppa, Brandon C Gabel, Abdulrahman Almansouri, J Scott Pannell, Alexander A Khalessi
OBJECTIVE: Early case series suggest that the recently introduced Low-profile Visualized Intraluminal Support Junior (LVIS Jr.) device (MicroVention-Terumo, Inc., Tustin, CA) may be used to treat wide-necked aneurysms that would otherwise require treatment with intrasaccular devices or open surgery. We report our single-center experience utilizing LVIS Jr. to treat intracranial aneurysms involving 1.8-2.5 mm parent arteries. METHODS: We retrospectively reviewed records of patients treated with the LVIS Jr...
February 17, 2017: Curēus
https://www.readbyqxmd.com/read/28351724/trigeminal-neuralgia-completely-relieved-after-stent-assisted-coiling-of-a-superior-cerebellar-artery-aneurysm
#13
Giulia Di Stefano, Nicola Limbucci, Giorgio Cruccu, Leonardo Renieri, Andrea Truini, Salvatore Mangiafico
BACKGROUND: Although secondary trigeminal neuralgia is usually due to tumors or multiple sclerosis, other major neurologic diseases, such as aneurysms, should be taken into account when the history or the symptoms suggest a secondary origin. CASE DESCRIPTION: A 67-year-old lady presented with a 6-month history of trigeminal neuralgia involving exclusively the right ophthalmic division. A dedicated 3-dimensional-magnetic resonance imaging-magnetic resonance angiography study documented rare contact with a wide-necked aneurysm of the superior cerebellar artery, which distorted the trigeminal root...
May 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28304190/the-second-generation-eclips-endovascular-clip-system-initial-experience
#14
Albert H Chiu, Joost De Vries, Cian J O'Kelly, Howard Riina, Ian McDougall, Jonathan Tippett, Martina Wan, Airton Leonardo de Oliveira Manoel, Thomas R Marotta
OBJECTIVE Treatment of wide-necked intracranial aneurysms is associated with higher recanalization and complication rates; however, the most commonly used methods are not specifically designed to work in bifurcation lesions. To address these issues, the authors describe the evolution in the design and use of the eCLIPs (Endovascular Clip System) device, a novel hybrid stent-like assist device with flow diverter properties that was first described in 2008. METHODS A registry was established covering 13 international centers at which patients were treated with the second-generation eCLIPs device...
March 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28304189/physiological-remodeling-of-bifurcation-aneurysms-preclinical-results-of-the-eclips-device
#15
Thomas R Marotta, Howard A Riina, Ian McDougall, Donald R Ricci, Monika Killer-Oberpfalzer
OBJECTIVE Intracranial bifurcation aneurysms are complex lesions for which current therapy, including simple coiling, balloon- or stent-assisted coiling, coil retention, or intrasaccular devices, is inadequate. Thromboembolic complications due to a large burden of intraluminal metal, impedance of access to side branches, and a high recurrence rate, due largely to the unmitigated high-pressure flow into the aneurysm (water hammer effect), are among the limitations imposed by current therapy. The authors describe herein a novel device, eCLIPs, and its use in a preclinical laboratory study that suggests the device's design and functional features may overcome many of these limitations...
March 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28279720/stent-assisted-coil-embolization-of-a-symptomatic-renal-artery-aneurysm-at-a-bifurcation-point
#16
Naiem Nassiri, Lauren A Huntress
BACKGROUND: Symptomatic renal artery aneurysms at bifurcation points present challenging clinical scenarios rarely amenable to endovascular repair due to concerns regarding parenchymal loss following intervention. Herein, we add to the scant body of literature describing successful endovascular repair of a saccular, symptomatic renal artery aneurysm situated at a bifurcation point. METHODS: A 52-year-old woman with a 2.5-cm extraparenchymal, saccular, symptomatic left renal artery aneurysm underwent self-expanding stent-assisted detachable platinum microcoil embolization...
March 7, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28264515/fabrication-and-optimal-design-of-biodegradable-polymeric-stents-for-aneurysms-treatments
#17
Xue Han, Xia Wu, Michael Kelly, Xiongbiao Chen
An aneurysm is a balloon-like bulge in the wall of blood vessels, occurring in major arteries of the heart and brain. Biodegradable polymeric stent-assisted coiling is expected to be the ideal treatment of wide-neck complex aneurysms. This paper presents the development of methods to fabricate and optimally design biodegradable polymeric stents for aneurysms treatment. Firstly, a dispensing-based rapid prototyping (DBRP) system was developed to fabricate coil and zigzag structures of biodegradable polymeric stents...
February 28, 2017: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/28264249/microguidewire-looping-to-traverse-stented-parent-arteries-of-intracranial-aneurysms
#18
Young Dae Cho, Jong Kook Rhim, Dong Hyun Yoo, Hyun-Seung Kang, Jeong Eun Kim, Moon Hee Han
OBJECTIVE: Stents are widely used in coil embolization of intracranial aneurysms, but on occasion, a microcatheter must traverse a stented segment of artery (so-called trans-cell technique) to select an aneurysm, or double stenting may necessary. In such situations, microguidewire passage and microcatheter delivery through a tortuous stented parent artery may pose a technical challenge. Described herein is a microguidewire looping technique to facilitate endovascular navigation in these circumstances...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28264234/semi-jailing-technique-using-a-neuroform3-stent-for-coiling-of-wide-necked-intracranial-aneurysms
#19
Jun Kyeung Ko, Won Ho Cho, Seung Heon Cha, Chang Hwa Choi, Sang Weon Lee, Tae Hong Lee
OBJECTIVE: The semi-jailing technique (SJT) provides stent-assisted remodeling of the aneurysm neck during coil embolization without grasping the coil delivery microcatheter. We retrospectively evaluated the efficacy and safety of SJT using a Neuroform3 stent for coiling of wide-necked intracranial aneurysms. METHODS: We collected the clinical and radiological data between January 2009 and June 2015 of the wide-necked aneurysms treated with SJT using a Neuroform3 stent...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28256168/multidisciplinary-management-for-the-treatment-of-proximal-posterior-inferior-cerebellar-artery-aneurysms
#20
Kwang-Chun Cho, Yong Bae Kim, Sang Hyun Suh, Jin Yang Joo, Chang-Ki Hong
OBJECTIVES: Aneurysms of the proximal posterior inferior cerebellar artery (PICA) are rare. The management of proximal PICA aneurysms is challenging with either surgical or endovascular treatment. We report our successful experience of treating PICA aneurysms with a multimodal approach. METHODS: Of 2382 treated aneurysms, 22 aneurysms in 21 patients (male:female 8:13, mean age 48.9 years) were enrolled from March 1998 to December 2015. We treated the aneurysms with a multimodal approach and performed angiography to examine aneurysm regrowth at the 12 months follow-up...
May 2017: Neurological Research
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