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https://www.readbyqxmd.com/read/28791434/progressive-occlusion-of-small-saccular-aneurysms-incompletely-occluded-after-stent-assisted-coil-embolization-analysis-of-related-factors-and-long-term-outcomes
#1
Jeong Wook Lim, Jeongjun Lee, Young Dae Cho
PURPOSE: Incompletely occluded aneurysms after coil embolization are subject to recanalization but occasionally progress to a totally occluded state. Deployed stents may actually promote thrombosis of coiled aneurysms. We evaluated outcomes of small aneurysms (<10 mm) wherein saccular filling with contrast medium was evident after stent-assisted coiling, assessing factors implicated in subsequent progressive occlusion. METHODS: Between September 2012 and June 2016, a total of 463 intracranial aneurysms were treated by stent-assisted coil embolization...
August 8, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28675349/novel-solution-for-luminal-access-loss-into-the-double-layered-lvis-blue%C3%A2-construct
#2
Evgueni Kouznetsov, Thomas Haldis, Michael Manchak, Alexander Drofa
We described a novel solution for a challenging case of double-layered LVIS Blue™ (LB) stent construct retraction into a large cavernous aneurysm. The double-layered LB stent construct was used as a flow diverter for treatment of a large cavernous aneurysm. Our solution comprised a balloon angioplasty and placement of balloon-mounted cardiac-stent construct through the side wall of the LB construct, with eventual placement of a Pipeline Flex inside of the final conduit.
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28662097/reconstructive-endovascular-treatment-of-vertebral-artery-dissecting-aneurysms-with-the-low-profile-visualized-intraluminal-support-lvis-device
#3
Chuan-Chuan Wang, Yi-Bin Fang, Ping Zhang, Xuan Zhu, Bo Hong, Yi Xu, Jian-Min Liu, Qing-Hai Huang
INTRODUCTION: The Low-profile Visualized Intraluminal Support (LVIS) device is a new generation of self-expanding braided stent recently introduced in China for stent assisted coiling of intracranial aneurysms. The aim of our study is to evaluate the feasibility, safety, and efficacy of the LVIS device in reconstructive treatment of vertebral artery dissecting aneurysms (VADAs). METHODS: We retrospectively reviewed the neurointerventional database of our institution from June 2014 to May 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28611831/salvage-of-herniated-flow-diverters-using-stent-and-balloon-anchoring-techniques-a-technical-note
#4
Bharathi D Jagadeesan, Divyajot Sandhu, Kim Jae Hong, Sara Roshan Khanipour, Andrew W Grande, Ramachandra P Tummala
BACKGROUND: The pipeline embolization device (PED; Medtronic, MN, USA) can sometimes herniate into the aneurysmal sac in an unexpected manner during or shortly after its deployment due to device foreshortening. In this report, we describe 2 endovascular techniques, which can be used to reposition a herniated PED construct into a more favorable alignment. SUMMARY: In a 67-year-old patient who had an intraprocedural herniation of a PED device into a giant cavernous aneurysm, a stent anchor technique was used to reverse the herniation, reorient the PED construct, and achieve successful flow diversion...
March 2017: Interventional Neurology
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
#5
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/28359923/overlapped-stenting-combined-with-coiling-for-blood-blister-like-aneurysms-comparison-of-low-profile-visualized-intraluminal-support-lvis-stent-and-non-lvis-stent
#6
Deyuan Zhu, Yibin Fang, Pengfei Yang, Ping Zhang, Lei Chen, Yi Xu, Bo Hong, Qinghai Huang, Jian-Min Liu
OBJECTIVE: To evaluate the safety and efficacy of overlapped stenting for blood blister-like aneurysms (BBAs) and to compare the outcomes between Low-profile Visualized Intraluminal Support (LVIS) and non-LVIS stents. METHODS: A retrospective review of the aneurysm database identified 37 patients with intracranial carotid artery BBAs treated by overlapped stenting in our institution from June 2013 to June 2016. The clinical characteristics and angiographic results were reviewed...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28357169/low-profile-visualized-intraluminal-support-junior-device-for-the-treatment-of-intracranial-aneurysms
#7
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/28333907/the-effect-of-placing-flow-diverting-stents-in-intracranial-collateral-arteries-of-miniature-pig
#8
Jiwei Wang, Yanan Ding, Qiuxia Wang, Yanan Wang, Shiqing Mu, Lixin Bi, Youxiang Li
BACKGROUND Flow-diverting stent (FDS) has been suggested as an effective intracranial aneurysm treatment. However, the effects of FDS on collateral branches of an aneurysm parent artery still remain unknown. Thus, the present study aimed to comprehensively evaluate the effects of placing a FDS in the intracranial collateral artery, using a miniature pig animal model. MATERIAL AND METHODS Ten healthy miniature pigs were included in the study: one pig was reserved as a control and the remaining nine pigs were placed in three experimental groups: FDS (i...
March 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28316867/bench-top-comparison-of-physical-properties-of-4-commercially-available-self-expanding-intracranial-stents
#9
Su-Hee Cho, Won-Il Jo, Ye-Eun Jo, Ku Hyun Yang, Jung Cheol Park, Deok Hee Lee
PURPOSE: To better understand the performance of four commercially available neurovascular stents in intracranial aneurysm embolization, the stents were compared in terms of their basic morphological and mechanical properties. MATERIALS AND METHODS: Four different types of stents that are currently being used for cerebral aneurysm embolization were prepared (two stents per type). Two were laser-cut stents (Neuroform and Enterprise) and two were braided from a single nitinol wire (LEO and LVIS stents)...
March 2017: Neurointervention
https://www.readbyqxmd.com/read/28238872/endovascular-treatment-of-intracavernous-internal-carotid-aneurysm-secondary-to-pituitary-infection
#10
Ligen Shi, Mading Zhou, Shenbin Xu, Qun Wu, Wei Yan, Jianmin Zhang
BACKGROUND: Intracavernous internal carotid artery (ICICA) aneurysm secondary to pituitary infection is exceedingly rare. CASE DESCRIPTION: We report an unusual case of a 63-year-old man who presented with acute left blepharoptosis and imaging findings of a pituitary infection. Interestingly, sudden onset of right blepharoptosis occurred after anti-infective therapy for 10 days. Digital subtraction angiography revealed a right ICICA aneurysm. After 6 months of follow-up visits, enlargement of the ICICA aneurysm was observed, and the endovascular technique of a low-profile visualized intraluminal support stent combined with 5 detachable coils was successfully performed to treat the ICICA aneurysm, with preservation of the internal carotid artery...
May 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28087432/stenting-after-coiling-using-a-single-microcatheter-for-treatment-of-ruptured-intracranial-fusiform-aneurysms-with-parent-arteries-less-than-1-5-mm-in-diameter
#11
Jian Liu, Yisen Zhang, Yang Wang, Shiqing Mu, Xinjian Yang
BACKGROUND: Ruptured intracranial fusiform aneurysms involving small-diameter parent arteries are difficult to treat. Parent artery occlusion is a relatively simple and reliable treatment. However, occasionally, the parent arteries have to be retained. The arrival of the low-profile stent (LVIS Jr.) has made reconstructive endovascular treatment for fusiform aneurysms involving small-diameter parent arteries possible. CASE DESCRIPTION: This report describes an innovative method for stent-assisted coiling (stenting after coiling technique using only 1 microcatheter) and describes our initial experience and feasibility of this technique...
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27789790/treatment-of-wide-necked-aneurysms-with-the-low-profile-visualized-intraluminal-support-lvis-jr-device-a-multicenter-experience
#12
J A Grossberg, R A Hanel, G Dabus, K Keigher, D C Haussen, E Sauvageau, I Linfante, D Gonsales, P Aguilar Salinas, M Bouslama, M Mayich, R G Nogueira, D K Lopes
BACKGROUND: The Low-profile Visualized Intraluminal Support (LVIS) Junior stent is newly approved for the treatment of wide-necked intracranial aneurysms. OBJECTIVE: To report our multicenter experience with use of the LVIS Jr device. METHODS: The neurointerventional databases of the participating institutions were retrospectively reviewed for aneurysms treated with LVIS Jr from the time of Food and Drug Administration approval until February 2016...
October 27, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27748061/enhanced-detection-of-lymphovascular-invasion-in-small-rectal-neuroendocrine-tumors-using-d2-40-and-elastica-van-gieson-immunohistochemical-analysis
#13
Yoshiyasu Kitagawa, Dai Ikebe, Taro Hara, Kazuki Kato, Teisuke Komatsu, Fukuo Kondo, Ryousaku Azemoto, Fumitake Komoda, Taketsugu Tanaka, Hirofumi Saito, Makiko Itami, Taketo Yamaguchi, Takuto Suzuki
Rectal neuroendocrine tumor (RNET) lymphovascular invasion (LVI) is regarded as an important predictor of nodal metastasis after endoscopic resection (ER). However, little is known about the frequency of immunohistochemical detection of LVI in RNETs. This study was performed to establish the actual detection of LVI rate in RNETs ≤10 mm and to evaluate associated clinical outcomes. We retrospectively reviewed the records for 98 consecutive patients treated by ER with a total of 102 RNETs ≤10 mm. Tissue sections were labeled with hematoxylin-eosin (HE) stain, the D2-40 monoclonal antibody to evaluate lymphatic invasion, and Elastica van Gieson (EVG) stain to detect venous invasion...
November 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27727400/hemodynamics-of-flow-diverters
#14
Ronak Dholakia, Chander Sadasivan, David J Fiorella, Henry H Woo, Baruch B Lieber
Cerebral aneurysms are pathological focal evaginations of the arterial wall at and around the junctions of the circle of Willis. Their tenuous walls predispose aneurysms to leak or rupture leading to hemorrhagic strokes with high morbidity and mortality rates. The endovascular treatment of cerebral aneurysms currently includes the implantation of fine-mesh stents, called flow diverters, within the parent artery bearing the aneurysm. By mitigating flow velocities within the aneurysmal sac, the devices preferentially induce thrombus formation in the aneurysm within hours to days...
February 1, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/27600009/-application-of-lvis-stents-in-very-small-%C3%A2-intracranial-aneurysms
#15
Mingming Zhang, Yian Ouyang, Hao Huang, Yugang Jiang, Mengqiang Yu
OBJECTIVE: To investigate the safety and short-term efficacy of stent on 17 patients with very small intracranial aneurysms.
 METHODS: A total of 17 patients with very small intracranial aneurysms were treated by LVIS stent from October 2014 to November 2015. The location, size of the aneurysms and the branch around aneurysms were evaluated by digital subtraction angiography (DSA). The metal coverage for aneurysms was enhanced by using deployment technology ("compression" mode)...
August 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27543629/canadian-registry-of-lvis-jr-for-treatment-of-intracranial-aneurysms-carla
#16
Jai Jai Shiva Shankar, Aiman Quateen, Alain Weill, Donatella Tampieri, Maria Del Pilar Cortes, Robert Fahed, Satya Patro, Zul Kaderali, Cheemun Lum, Howard Lesiuk, Uzair Ahmed, Lissa Peeling, Michael E Kelly, Daniela Iancu
INTRODUCTION: Stents reduce the rate of angiographic recurrence of intracranial aneurysms. The newest stent for intracranial use is the Low-profile Visible Intraluminal Support device (LVIS Jr). OBJECTIVE: To assess the efficacy of the new stent in a multicenter retrospective registry. MATERIALS AND METHOD: Centers across Canada using LVIS Jr were contacted and asked to participate in a retrospective registry of consecutive patients treated with LVIS Jr for intracranial aneurysms between January 2013 and July 2015...
August 19, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27370946/flow-diverter-effect-of-lvis-stent-on-cerebral-aneurysm-hemodynamics-a-comparison-with-enterprise-stents-and-the-pipeline-device
#17
Chao Wang, Zhongbin Tian, Jian Liu, Linkai Jing, Nikhil Paliwal, Shengzhang Wang, Ying Zhang, Jianping Xiang, Adnan H Siddiqui, Hui Meng, Xinjian Yang
BACKGROUND: The aim of this study was to quantify the effect of the new Low-profile Visualized Intraluminal Support (LVIS®D) device and the difference of fluid diverting effect compared with the Pipeline device and the Enterprise stent using computational fluid dynamics (CFD). METHODS: In this research, we simulated three aneurysms constructed from 3D digital subtraction angiography (DSA). The Enterprise, LVIS and the Pipeline device were virtually conformed to fit into the vessel lumen and placed across the aneurysm orifice...
July 2, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27359191/review-of-adult-electrical-burn-injury-outcomes-worldwide-an-analysis-of-low-voltage-vs-high-voltage-electrical-injury
#18
Jessica G Shih, Shahriar Shahrokhi, Marc G Jeschke
The aims of this article are to review low-voltage vs high-voltage electrical burn complications in adults and to identify novel areas that are not recognized to improve outcomes. An extensive literature search on electrical burn injuries was performed using OVID MEDLINE, PubMed, and EMBASE databases from 1946 to 2015. Studies relating to outcomes of electrical injury in the adult population (≥18 years of age) were included in the study. Forty-one single-institution publications with a total of 5485 electrical injury patients were identified and included in the present study...
January 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/27206450/endovascular-treatment-of-intracranial-aneurysms-with-the-lvis-device-a-systematic-review
#19
Xiaoguang Zhang, Junjie Zhong, Heng Gao, Feng Xu, Nicholas C Bambakidis
OBJECTIVE: Despite promising initial results, current knowledge regarding the use of the Low-profile Visualized Intraluminal Support (LVIS) device to treat wide-necked intracranial aneurysms is still limited. Our aim is to evaluate the feasibility, efficacy, and safety of the LVIS device in stent-assisted coiling of intracranial aneurysms. METHODS: We conducted a systematic review by searching PubMed, EMBASE, and Cochrane Library for all published studies on the treatment of intracranial aneurysms with the LVIS device up to March 2016...
May 20, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27113398/lvis-stent-versus-enterprise-stent-for-the-treatment-of-unruptured-intracranial-aneurysms
#20
Huijian Ge, Xianli Lv, Xinjian Yang, Hongwei He, Hengwei Jin, Youxiang Li
OBJECTIVE: This retrospective study compared clinical and angiographic outcomes between LVIS and Enterprise stents. MATERIALS AND METHODS: From November 2014 to December 2015, total 190 patients with 208 unruptured intracranial aneurysms were coiled assisted by LVIS and Enterprise stents. Procedure-related complications, clinical outcomes, and angiographic results were analyzed retrospectively. RESULTS: A total of 92 patients with 96 aneurysms received LVIS stents and 98 patients with 112 aneurysms were treated with Enterprise stents...
July 2016: World Neurosurgery
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