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https://www.readbyqxmd.com/read/28702117/balloon-angioplasty-for-intracranial-atherosclerotic-disease-a-multicenter-study
#1
Lakshmi Sudha Prasanna Karanam, Mukesh Sharma, Anand Alurkar, Sridhar Reddy Baddam, Vijaya Pamidimukkala, Raghavasarma Polavarapu
AIM: To evaluate the role and efficacy of the balloon angioplasty in intracranial atherosclerotic disease (ICAD) in patients who presented with acute stroke due to vessel occlusion and in patients with symptomatic disease despite optimum medical management. METHODS: From 2013 to 2016, a total of 39 patients (24 males and 15 females with a mean age of 64.5 years) underwent balloon angioplasty over a period of 2 years and 8 months in three different institutions in India...
June 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/28664011/mechanical-thrombectomy-in-the-treatment-of-distal-occlusions-during-coil-embolization-of-ruptured-intracranial-aneurysms
#2
Francesco Briganti, Giuseppe Leone, Mariano Marseglia, Carmela Chiaramonte, Domenico Solari, Ferdinando Caranci, Paolo Cappabianca, Francesco Maiuri
The experience in the management of thromboembolic complications of distal vessels during coil embolization using stent-retrievers in the setting of subarachnoid hemorrhage (SAH) is still limited. We report a case of 58-year-old woman with a ruptured small anterior communicating aneurysm who experienced during coil embolization a thromboembolic occlusion of the upper post-bifurcation branch of the middle cerebral artery. Mechanical thrombectomy with a stent-retriever (Solitaire, Covidien, Neurovascular) resulted in complete recanalization of the occluded branch with no ischemic complication...
October 2016: NMC Case Rep J
https://www.readbyqxmd.com/read/28607145/pearls-oy-sters-retrievable-and-awake-a-case-report-of-solitaire-stent-employment-for-venous-pulsatile-tinnitus
#3
Zhihua Du, Xinfeng Liu, Xiangyu Cao, Xinping Chen, Jing Mang, Jun Wang, Baomin Li
No abstract text is available yet for this article.
June 13, 2017: Neurology
https://www.readbyqxmd.com/read/28604186/mechanical-removal-of-a-refluxed-onyx-piece-from-the-middle-cerebral-artery-using-the-solitaire-stent-technical-report
#4
Dilara Gungor, Şükrü Oğuz, Hasan Dinc
Onyx reflux into the parent artery is a rare and sometimes significant complication in the treatment of cerebral arteriovenous malformations (AVMs). We report a patient who presented with Onyx reflux into the M1 segment of the middle cerebral artery (MCA) during embolization of a right temporal AVM. The refluxed Onyx cast was successfully removed by a mechanical thrombectomy device using a self-expandable and fully retrievable Solitaire AB stent.
June 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28596196/effect-of-retrievable-stent-size-on-endovascular-treatment-of-acute-ischemic-stroke-a-multicenter-study
#5
D Yang, Y Hao, W Zi, H Wang, D Zheng, H Li, M Tu, Y Wan, P Jin, G Xiao, Y Xiong, G Xu, X Liu
BACKGROUND AND PURPOSE: In clinical practice, stent diameter is one of the variable properties important for endovascular treatment. A consensus guideline for stent retriever size selection has yet to be established. The aim of this study was to investigate the effects of different diameters of Solitaire retrievers on outcomes. MATERIALS AND METHODS: Of 628 patients enrolled from the Endovascular Treatment for Acute Anterior Circulation Ischemic Stroke Registry, 256 were treated with the Solitaire 4-mm device and 372, with the 6-mm device...
June 8, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28592484/analysis-of-neointima-development-in-flow-diverters-using-optical-coherence-tomography-imaging
#6
Yoshikazu Matsuda, Joonho Chung, Demetrius K Lopes
BACKGROUND: Flow diverters are used for the treatment of intracranial aneurysms. Surface modification may decrease the thrombogenicity of flow diverters but the details are unknown. Optical coherence tomography (OCT) is an intravascular imaging test with high resolution which identifies neointimal growth over stents. We compared the development of neointima in a flow diverter and stents with and without surface modification in a swine model. METHODS: In this study we implanted four devices (two in each carotid artery) in four pigs...
June 7, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28584947/mechanical-recanalization-using-solitaire-ab-device-for-severe-thromboembolic-events-in-endovascular-treatment-of-intracranial-aneurysms
#7
Qiuji Shao, Liangfu Zhu, Tianxiao Li, Li Li, Yingkun He, Kaitao Chang, Xiaodong Liang
INTRODUCTION: Severe thromboembolism with complete occlusion of the proximal arteries during or after coil embolization can cause serious neurologic deficits. The study aimed to assess the effectiveness and safety of Solitaire AB device as a rescue therapy for severe thromboembolic complications in the endovascular treatment of intracranial aneurysms. MATERIALS AND METHODS: Between February 2013 and April 2016, 1047 intracranial aneurysms treated with endovascular procedures were retrospectively reviewed in our center...
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28573334/retrieval-of-migrated-volume-coils-using-different-clot-retrievers-in-a%C3%A2-porcine-model
#8
Andreas Simgen, Toshiki Tomori, Ruben Mühl-Benninghaus, Hagen Bomberg, Umut Yilmaz, Heiko Körner, Matthias W Laschke, Michael D Menger, Wolfgang Reith
PURPOSE: During endovascular treatment of intracranial aneurysms using coils, migration is a serious complication that increases neurological morbidity. The aim of this experimental study was to assess the effectiveness and complications of retrieving volume coils with different, currently available clot retrievers in a porcine model. METHODS: Volume coils of three-dimensional (3D) shape and different sizes were placed in the axillary artery of pigs. By means of 4 different clot retrievers (Trevo ProVue; Solitaire FR; 3D-Separator; ERIC) a total of 40 retrieval maneuvers (10 per retriever) were performed by deploying the retrievers within the migrated coils and trying to trap parts of the coils by advancing the microcatheter...
June 1, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28524799/-y-stent-retriever-a-new-rescue-technique-for-refractory-large-vessel-occlusions
#9
Roberto Crosa, Alejandro M Spiotta, Matías Negrotto, Alejandra Jaume, Walter Casagrande
Long-awaited positive trial data have shown the efficacy of endovascular treatment in patients with ischemic stroke who arrive at the hospital within the first 6 hours with large-vessel occlusion of the anterior circulation. With the introduction of stent retrievers (SRs) for mechanical thrombectomy, efficient and safe large-artery recanalization treatment can be achieved. However, sometimes there are patients who do not attain complete flow restoration following attempts with traditional maneuvers. The authors present the case of a 57-year-old man with acute ischemic stroke due to an M1 embolus that extended into both M2 trunks...
May 19, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28490161/endovascular-stroke-therapy-focused-on-stent-retriever-thrombectomy-and-direct-clot-aspiration-historical-review-and-modern-application
#10
REVIEW
Dong-Hun Kang, Jaechan Park
Intravenous recombinant tissue plasminogen activator had been the only approved treatment for acute ischemic stroke since its approval in 1995. However, the restrictive time window, numerous contraindications, and its low recanalization rate were all limitations of this modality. Under those circumstances, endovascular stroke therapy went through a great evolution during the past two decades of intravenous thrombolysis. The results of the 2013 randomized trials for endovascular stroke therapy were neutral, although they were limited by insufficient imaging screening at enrollment, early-generation devices with less efficacy, and treatment delays...
May 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28473340/impact-of-anesthesia-on-the-outcome-of-acute-ischemic-stroke-after-endovascular-treatment-with-the-solitaire-stent-retriever
#11
A Slezak, R Kurmann, L Oppliger, A Broeg-Morvay, J Gralla, G Schroth, H P Mattle, M Arnold, U Fischer, S Jung, R Greif, F Neff, P Mordasini, M-L Mono
BACKGROUND AND PURPOSE: General anesthesia during endovascular treatment of acute ischemic stroke may have an adverse effect on outcome compared with conscious sedation. The aim of this study was to examine the impact of the type of anesthesia on the outcome of patients with acute ischemic stroke treated with the Solitaire stent retriever, accounting for confounding factors. MATERIALS AND METHODS: Four-hundred one patients with consecutive acute anterior circulation stroke treated with a Solitaire stent retriever were included in this prospective analysis...
May 4, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28465460/efficacy-of-stent-retriever-thrombectomy-in-magnetic-resonance-imaging-versus-computed-tomographic-perfusion-selected-patients-in-swift-prime-trial-solitaire-fr-with-the-intention-for-thrombectomy-as-primary-endovascular-treatment-for-acute-ischemic-stroke
#12
RANDOMIZED CONTROLLED TRIAL
Nicolas Menjot de Champfleur, Jeffrey L Saver, Mayank Goyal, Reza Jahan, Hans-Christoph Diener, Alain Bonafe, Elad I Levy, Vitor M Pereira, Christophe Cognard, Dileep R Yavagal, Gregory W Albers
BACKGROUND AND PURPOSE: The majority of patients enrolled in SWIFT PRIME trial (Solitaire FR With the Intention for Thrombectomy as Primary Endovascular Treatment for Acute Ischemic Stroke) had computed tomographic perfusion (CTP) imaging before randomization; 34 patients were randomized after magnetic resonance imaging (MRI). METHODS: Patients with middle cerebral artery and distal carotid occlusions were randomized to treatment with tPA (tissue-type plasminogen activator) alone or tPA+stentriever thrombectomy...
June 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28454482/effects-of-environmental-factors-and-metallic-electrodes-on-ac-electrical-conduction-through-dna-molecule
#13
S Abdalla, A Obaid, F M Al-Marzouki
BACKGROUND: Deoxyribonucleic acid (DNA) is one of the best candidate materials for various device applications such as in electrodes for rechargeable batteries, biosensors, molecular electronics, medical- and biomedical-applications etc. Hence, it is worthwhile to examine the mechanism of charge transport in the DNA molecule, however, still a question without a clear answer is DNA a molecular conducting material (wire), semiconductor, or insulator? The answer, after the published data, is still ambiguous without any confirmed and clear scientific answer...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28392138/evaluation-of-recanalisation-treatment-on-posterior-circulation-ischemic-stroke-by-solitaire-device-a-multicenter-retrospective-study
#14
Jianwu Long, Hao Qin, Hongqi Zhang
OBJECTIVES: Posterior circulation ischemic stroke (PCIS), accounting for approximately 20% of total ischemic stroke, is a sever disease that associated with high rate of morbidity and mortality. Though the effectiveness of endovascular mechanical thrombectomy has been well demonstrated in many types of ischemic stroke, it is still unclear what the outcome is in posterior circulation ischemic stroke. METHODS AND MATERIALS: In current study, data was collected from 139 Chinese patients who received endovascular mechanical thrombectomy treatment with Solitaire device after acute posterior circulation ischemic stroke...
May 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28366063/revascularization-of-tandem-occlusions-in-acute-ischemic-stroke-review-of-the-literature-and-illustrative-case
#15
REVIEW
Nnenna Mbabuike, Kelly Gassie, Benjamin Brown, David A Miller, Rabih G Tawk
OBJECTIVE Tandem occlusions continue to represent a major challenge in patients with acute ischemic stroke (AIS). The anterograde approach with proximal to distal revascularization as well as the retrograde approach with distal to proximal revascularization have been reported without clear consensus or standard guidelines. METHODS The authors performed a comprehensive search of the PubMed database for studies including patients with carotid occlusions and tandem distal occlusions treated with endovascular therapy...
April 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28318984/safety-and-efficacy-of-thrombectomy-in-acute-ischaemic-stroke-revascat-1-year-follow-up-of-a-randomised-open-label-trial
#16
RANDOMIZED CONTROLLED TRIAL
Antoni Dávalos, Erik Cobo, Carlos A Molina, Angel Chamorro, M Angeles de Miquel, Luis San Román, Joaquín Serena, Elena López-Cancio, Marc Ribó, Mónica Millán, Xabier Urra, Pere Cardona, Alejandro Tomasello, Carlos Castaño, Jordi Blasco, Lucía Aja, Marta Rubiera, Meritxell Gomis, Arturo Renú, Blanca Lara, Joan Martí-Fàbregas, Brian Jankowitz, Neus Cerdà, Tudor G Jovin
BACKGROUND: The REVASCAT trial and other studies have shown that the neurovascular thrombectomy improves outcomes at 90 days post stroke. However, whether the observed benefit is sustained in the long term remains unknown. We report the results of the prespecified 12-month analysis of the REVASCAT trial. METHODS: Patients with acute ischaemic stroke who could be treated within 8 h of symptom onset were randomly assigned to medical therapy (including intravenous alteplase when eligible) and neurovascular thrombectomy with Solitaire FR or medical therapy alone...
May 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28318956/carotid-endarterectomy-to-remove-retained-solitaire-stent-retriever-inside-carotid-stent-after-mechanical-thrombectomy
#17
Mary In-Ping Huang Cobb, Tony P Smith, Patrick A Brown, L Fernando Gonzalez, Ali R Zomorodi
BACKGROUND: Tandem occlusions of the internal carotid artery (ICA) and middle cerebral artery (MCA) occur in up to a third of patients with acute ischemic strokes undergoing endovascular mechanical thrombectomy. Understanding open neurosurgical management of associated complications with this procedure is important. CASE REPORT: A 67-year-old man with acute onset of left hemiparesis and a tandem right ICA and MCA occlusion. He underwent carotid stent angioplasty of a stenotic ICA, followed by attempted Solitaire stent retrieval of an MCA clot...
May 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28292867/vessel-patency-at-24-hours-and-its-relationship-with-clinical-outcomes-and-infarct-volume-in-revascat-trial-randomized-trial-of-revascularization-with-solitaire-fr-device-versus-best-medical-therapy-in-the-treatment-of-acute-stroke-due-to-anterior-circulation
#18
RANDOMIZED CONTROLLED TRIAL
Mònica Millán, Sebastià Remollo, Helena Quesada, Arturo Renú, Alejandro Tomasello, Priyanka Minhas, Natalia Pérez de la Ossa, Marta Rubiera, Laura Llull, Pedro Cardona, Fahad Al-Ajlan, María Hernández, Zarina Assis, Andrew M Demchuk, Tudor Jovin, Antoni Dávalos
BACKGROUND AND PURPOSE: Higher rates of target vessel patency at 24 hours were noted in the thrombectomy group compared with control group in recent randomized trials. As a prespecified secondary end point, we aimed to assess 24-hour revascularization rates by treatment groups and occlusion site as they related to clinical outcome and 24-hour infarct volume in REVASCAT (Randomized Trial of Revascularization With Solitaire FR Device Versus Best Medical Therapy in the Treatment of Acute Stroke Due to Anterior Circulation Large Vessel Occlusion Presenting Within Eight Hours of Symptom Onset)...
April 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28283606/predictive-value-of-rapid-assessed-perfusion-thresholds-on-final-infarct-volume-in-swift-prime-solitaire-with-the-intention-for-thrombectomy-as-primary-endovascular-treatment
#19
RANDOMIZED CONTROLLED TRIAL
Maxim Mokin, Elad I Levy, Jeffrey L Saver, Adnan H Siddiqui, Mayank Goyal, Alain Bonafé, Christophe Cognard, Reza Jahan, Gregory W Albers
BACKGROUND AND PURPOSE: Computed tomography perfusion imaging can estimate the size of the ischemic core, which can be used for the selection of patients for endovascular therapy. The relative cerebral blood volume (rCBV) and relative cerebral blood flow (rCBF) thresholds chosen to identify ischemic core influence the accuracy of prediction. We aimed to analyze the accuracy of various rCBV and rCBF thresholds for predicting the 27-hour infarct volume using RAPID automated analysis software from the SWIFT PRIME trial (Solitaire With the Intention for Thrombectomy as Primary Endovascular Treatment) data...
April 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28264235/efficacy-of-balloon-guiding-catheter-for-mechanical-thrombectomy-in-patients-with-anterior-circulation-ischemic-stroke
#20
Jae-Sang Oh, Seok-Mann Yoon, Jai-Joon Shim, Jae-Won Doh, Hack-Gun Bae, Kyeong-Seok Lee
OBJECTIVE: To evaluate the efficacy of balloon guiding catheter (BGC) during thrombectomy in anterior circulation ischemic stroke. METHODS: Sixty-two patients with acute anterior circulation ischemic stroke were treated with thrombectomy using a Solitaire stent from 2011 to 2016. Patients were divided into the BGC group (n=24, 39%) and the non-BGC group (n=38, 61%). The number of retrievals, procedure time, thrombolysis in cerebral infarction (TICI) grade, presence of distal emboli, and clinical outcomes at 3 months were evaluated...
March 2017: Journal of Korean Neurosurgical Society
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