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Stent cerebral aneurysm

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https://www.readbyqxmd.com/read/29684517/nickel-related-adverse-reactions-in-the-treatment-of-cerebral-aneurysms-a-literature-review
#1
REVIEW
Anderson Chun On Tsang, Patrick Nicholson, Vitor Mendes Pereira
BACKGROUND: Nickel is the most common metal allergen and predominantly affects women. It is also the ubiquitous component in the alloys used to manufacture intracranial devices for aneurysm treatments, including aneurysm clips, self-expanding stents, flow-diverting stents and endosaccular occlusion devices. Adverse events related to nickel-allergy after deployment of such devices are uncommon but can be severe, resulting in dilemmas in the choice of treatment strategies and devices in managing nickel-sensitive patients with intracranial aneurysms...
April 20, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29682009/the-effect-of-stents-in-cerebral-aneurysms-a-review
#2
REVIEW
Kenan Alkhalili, Jack Hannallah, Mary Cobb, Nohra Chalouhi, Jessica L Philips, Angela B Echeverria, Pascal Jabbour, M Haithem Babiker, David H Frakes, L Fernando Gonzalez
The etiology of up to 95% of cerebral aneurysms may be accounted for by hemodynamically-induced factors that create vascular injury. The purpose of this review is to describe key physical properties that stents have and how they affect cerebral aneurysms. We performed a two-step screening process. First, a structured search was performed using the PubMed database. The following search terms and keywords were used: "Hemodynamics," "wall shear stress (WSS)," "velocity," "viscosity," "cerebral aneurysm," "intracranial aneurysm," "stent," "flow diverter," "stent porosity," "stent geometry," "stent configuration," and "stent design...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29650782/treatment-of-distal-anterior-cerebral-artery-aneurysms-with-flow-diverter-stents-a-single-center-experience
#3
F Cagnazzo, M Cappucci, C Dargazanli, P-H Lefevre, G Gascou, C Riquelme, A Bonafe, V Costalat
BACKGROUND AND PURPOSE: Flow diversion for aneurysms beyond the circle of Willis is still debated. Our aim was to evaluate the safety and efficacy of flow diversion treatment of distal anterior cerebral artery aneurysms. MATERIALS AND METHODS: Consecutive patients with distal anterior cerebral artery aneurysms treated from January 2014 to October 2017 were evaluated retrospectively with prospectively maintained data. Treatment was performed only for unruptured or recanalized aneurysms after coiling...
April 12, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29644398/stent-placement-in-patients-with-acute-subarachnoid-haemorrhage-when-is-it-justified
#4
Andrew G Murchison, Victoria Young, Tanja Ddjurdjevic, Martino Cellerini, Rufus Corkill, Wilhelm Küker
PURPOSE: Endovascular stents are widely used for the elective treatment of cerebral aneurysms. Acute stenting is performed in the management of dissections, pseudo-aneurysms, broad-based aneurysms or as a 'bail out' measure after coil migration. The purpose of this study is to review the safety of using stents in acute subarachnoid haemorrhage. METHODS: The stent registry of our institution was reviewed for procedures in patients with acute subarachnoid haemorrhage...
April 11, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29628950/safety-assessment-of-endovascular-treatment-of-cerebral-aneurysms-in-patients-with-fibromuscular-dysplasia
#5
Matthew T Bender, Christopher Hurtado, Bowen Jiang, Jessica K Campos, Judy Huang, Rafael J Tamargo, Li-Mei Lin, Alexander L Coon, Geoffrey P Colby
Background: The prevalence of cerebral aneurysms is increased in fibromuscular dysplasia (FMD). The presence of FMD may serve as discouragement to elective endovascular aneurysm treatment. Outcomes of endovascular intervention for aneurysms through vessels affected by FMD have not been reported. Methods: A prospectively maintained database of patients undergoing intracranial embolization was reviewed for patients with FMD who underwent endovascular aneurysm treatment...
February 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29605278/rare-case-of-diffuse-spinal-arachnoiditis-following-a-complicated-vertebral-artery-dissection
#6
Elias Atallah, Sophia Dang, Sage Rahm, James Feghali, Chalouhi Nohra, Stavropoula Tjoumakaris, Robert H Rosenwasser, Hekmat Zarzour, Nabeel Herial, Michael Reid Gooch, Pascal Jabbour
Spinal arachnoiditis (SA) is an extremely rare and delayed complication of subarachnoid hemorrhage (SAH). Little is known about its underlying pathogenesis and subsequent clinical course. A middle-aged patient presented with the worst headache of her life and a grade 3 SAH of the basal-cisterns and posterior fossa was identified on Computed Tomography scans (CT). Angiography revealed a ruptured dissecting aneurysm of the left vertebral artery (VA-V4), as well as an unruptured left Anterior Cerebral Artery (ACA-A1) aneurysm...
March 28, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29600915/predictors-of-cerebral-aneurysm-persistence-and-occlusion-after-flow-diversion-a-single-institution-series-of-445-cases-with-angiographic-follow-up
#7
Matthew T Bender, Geoffrey P Colby, Li-Mei Lin, Bowen Jiang, Erick M Westbroek, Risheng Xu, Jessica K Campos, Judy Huang, Rafael J Tamargo, Alexander L Coon
OBJECTIVE Flow diversion requires neointimal stent overgrowth to deliver aneurysm occlusion. The existing literature on aneurysm occlusion is limited by heterogeneous follow-up, variable antiplatelet regimens, noninvasive imaging modalities, and nonstandard occlusion assessment. Using a large, single-center cohort with low attrition and standardized antiplatelet tapering, the authors evaluated outcomes after flow diversion of anterior circulation aneurysms to identify predictors of occlusion and aneurysm persistence...
March 30, 2018: Journal of 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
#8
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/29562861/brain-abscess-after-stent-assisted-coiling-for-ruptured-middle-cerebral-artery-aneurysm
#9
Jung Ho Ko, Young-Joon Kim, Hyun Ho Jung
A 24-year-old man was admitted with sudden severe headache. Brain computed tomography (CT) revealed a subarachnoid hemorrhage in the basal cistern and both Sylvian cisterns and a left internal carotid artery angiogram showed a small aneurysm on the bifurcation of the left middle cerebral artery. We performed Y-configured stent-assisted coil embolization. On the fifth post-embolization day, the patient had chills, and his body temperature was over 38℃. Staphylococcus aureus was cultured from the venous blood sample...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29544752/management-of-an-internal-carotid-artery-injury-caused-by-a-displaced-titanium-plate-with-a-combination-of-interventional-vascular-radiology-and-surgery
#10
Yoshitaka Shimizu, Takahito Okazaki, Tomoaki Hamana, Masahiro Irifune
Treatment of pseudoaneurysms in the internal carotid artery (ICA) is associated with a high risk of cerebral infarction; therefore, vessel ligation for hemostasis must be avoided. A 66-year-old man had intraoral hemorrhaging. At the time of the initial examination, computed tomography angiography showed jaw plate displacement near the ICA. A more detailed image was obtained using digital-subtraction angiography. After evaluation of the image, a pseudoaneurysm was diagnosed. Six days later, there were concerns about aspiration and airway obstruction; therefore, tracheostomy was performed...
February 20, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29528449/neck-remnants-and-the-risk-of-aneurysm-rupture-after-endovascular-treatment-with-coiling-or-stent-assisted-coiling-much-ado-about-nothing
#11
Stephan A Munich, Marshall C Cress, Leonardo Rangel-Castilla, Ashish Sonig, Christopher S Ogilvy, Giuseppe Lanzino, Ondra Petr, J Mocco, Peter J Morone, Kenneth V Snyder, L Nelson Hopkins, Adnan H Siddiqui, Elad I Levy
BACKGROUND: Neck remnants are not uncommon after endovascular treatment of cerebral aneurysms. Critics of endovascular treatments for cerebral aneurysms cite neck remnants as evidence in favor of microsurgical clipping. However, studies have failed to evaluate the true clinical significance of aneurysm neck remnants following endovascular therapies. OBJECTIVE: To assess the clinical significance of residual aneurysm necks and to determine the rate of subsequent rupture following coiling or stent-assisted coiling of cerebral aneurysms...
March 8, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29526065/nationwide-mortality-data-after-flow-diverting-stent-implantation-in-korea
#12
Tackeun Kim, O-Ki Kwon, Heeyoung Lee, Min Jai Cho, Hyun Jean Jeong, Seung Pil Ban
OBJECTIVE: To investigate nationwide statistics on flow-diverting stent usage for cerebral aneurysm treatment and related mortality data. METHODS: We requested data extraction from the National Health Insurance Service claims database using electronic data interchange codes (J3207064, J3207073). Patient and hospital information as well as death statistics were collected from the database. RESULTS: A total of 169 procedures were performed using flow-diverting stents for cerebral aneurysm treatment from November 2014 to December 2016 in Korea...
March 2018: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29499426/coil-and-single-stent-placement-for-ruptured-dissecting-aneurysm-of-middle-cerebral-artery-a-case-report
#13
Tomohiko Ozaki, Takeo Nishida, Yuya Fujita, Haruhiko Kishima, Manabu Kinoshita
Ruptured dissecting aneurysms located at the middle cerebral artery (MCA) are rare, and its standard treatment has not been defined. Furthermore, lenticulostriate artery involvement in the dissecting segment makes the treatment extremely difficult, and no previous reports have described successful treatment for such conditions. We herein report the case of a 74-year-old woman who presented with sudden severe headache from subarachnoid hemorrhage due to dissection in the proximal M1 segment of left MCA involving LSA...
February 27, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29497785/transcervical-access-via-direct-neck-exposure-for-neurointerventional-procedures-in-the-hybrid-angiosuite
#14
Jong Young Lee, Jong-Hwa Park, Hong Jun Jeon, Dae Young Yoon, Seoung Woo Park, Byung Moon Cho
PURPOSE: A complicated course of the femoral route for neurointervention can prevent approaching the target. Thus, we determined whether transcervical access in the hybrid angiosuite is applicable and beneficial in real practice. METHODS: From January 2014 to March 2017, this approach was used in 17 of 453 (3.75%) cases: 11 cerebral aneurysms (4 ruptured, 7 unruptured), 4 acute occlusions of the large cerebral artery, 1 proximal internal carotid artery (ICA) stenosis, and 1 direct carotid cavernous fistula (CCF)...
March 1, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29483004/dual-lumen-balloon-catheter-an-effective-substitute-for-two-single-lumen-catheters-in-treatment-of-vascular-targets-with-challenging-anatomy
#15
Ljubisa Borota, Ehab Mahmoud, Christoffer Nyberg, Anders Lewén, Per Enblad, Elisabeth Ronne-Engström
The aim of this study was to describe our experience in the treatment of various pathological conditions of the cranial and spinal blood vessels and hypervascularized lesions using dual lumen balloon catheters. Twenty-five patients were treated with endovascular techniques: two with vasospasm of cerebral blood vessels caused by subarachnoid hemorrhage, one with a hypervascularized metastasis in the vertebral body, two with spinal dural fistula, four with cerebral dural fistula, three with cerebral arteriovenous malformations, and 13 with aneurysms...
February 23, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29463145/lvis-jr-stent-for-treatment-of-intracranial-aneurysms-with-parent-vessel-diameter-of-2-5-mm-or-less
#16
Alejandro Santillan, Srikanth Boddu, Justin Schwarz, Ning Lin, Y Pierre Gobin, Jared Knopman, Athos Patsalides
Background and purpose This retrospective study evaluates the safety, effectiveness, and long-term clinical and angiographic follow-up of intracranial aneurysms treated with the Low-Profile Visualized Intraluminal Support Junior (LVIS Jr.) stent and parent vessels of diameter equal to or less than 2.5 mm. Materials and methods We included all patients treated with the LVIS Jr. stent in aneurysms with small parent vessel diameter between March 2015 and July 2017. Periprocedural adverse events, immediate aneurysm occlusion rates, and clinical and angiographic follow-up are reported...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29458185/tiny-cerebral-aneurysms-can-be-safely-and-effectively-treated-with-lvis-stent-assisted-coiling-or-coiling-alone
#17
Bu-Lang Gao, Tian-Xiao Li, Li Li, Gang-Qin Xu, Bo-Wen Yang
BACKGROUND: The effect and safety of LVIS stent-coiling is currently not known for treating tiny intracranial aneurysms. OBJECTIVE: To investigate the effect and safety of LVIS stent-assisted coiling and coiling alone in treating patients with mostly ruptured tiny aneurysms. METHODS: Seventy-five patients with tiny intracranial aneurysms including 63 ruptured ones were treated endovascularly and analyzed. RESULTS: In the coiling group, complete occlusion was achieved in 35 patients (83...
February 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29457589/short-term-efficacy-of-pipeline-embolization-device-for-treating-complex-intracranial-aneurysms
#18
NiZaMiDingJiang ReXiaTi, ReXiDan AiKeReMu, KaHeErMan KaDeEr, Yan-Dong Fan, Zhao-Hai Feng, Kai Wang, TeWuErBaTi SuErTanNiYa, Tao-Tao Dou, Hai-Qiang Wu, MaiMaiTiLi AiSha, Xiao-Jiang Cheng
OBJECTIVE: To observe the short-term efficacy of Pipeline embolization divice (PED) for the treatment of complex intracranial aneurysms. METHODS: The clinical data of 29 consecutive patients with 32 intracranial aneurysms treated with PED between April 2015 to September 2016 were analyzed retrospectively. There were 3 small aneurysm, 15 large aneurysms, 8 giant aneurysms, 5 fusiform ayneurysms and 1 recidivation. The vessels include 25 anterior circulation and 4 posterior circulation...
2018: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/29444960/stent-assisted-coil-embolization-on-down-the-barrel-view-with-spring-shaped-microcatheter-in-patient-with-m1-ultrawide-necked-circumferential-aneurysm
#19
Hyo Sung Kwak, Jung Soo Park, Eun Jeong Koh
Herein, we describe a technique for stent-assisted coil embolization with a spring-shaped microcatheter in a patient with an M1 ultrawide-necked circumferential aneurysm in the middle cerebral artery (MCA). A 49-year-old man was referred for treatment of an incidentally detected M1 large-circumference aneurysm on magnetic resonance angiography. Subsequent digital subtraction angiography revealed an 18.2×16.5 mm ultrawide-necked circumferential aneurysm on the distal M1 portion of the left MCA, and we planned stent-assisted coil embolization using a spring-shaped microcatheter...
February 14, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29444328/influence-of-anatomic-changes-on-the-outcomes-of-carotid-siphon-aneurysms-after-deployment-of-flow-diverter-stents
#20
Eduardo Waihrich, Pierre Clavel, George Mendes, Christina Iosif, Iruena Moraes Kessler, Charbel Mounayer
BACKGROUND: Flow-diverter stent (FDS) deployment can cause morphological and hemodynamic changes in the carotid siphon (CS), influencing the occlusion rate of aneurysms in this location. OBJECTIVE: To evaluate morphological changes to the CS after FDS deployment and their relationship with the rate of occlusion of intracranial aneurysms. METHODS: A cohort of 183 patients with CS aneurysms were treated by deployment of Pipeline® FDS (Medtronic Inc, Dublin, Ireland)...
February 10, 2018: Neurosurgery
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