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Wolfgang G Kunz, M G Myriam Hunink, Wieland H Sommer, Sebastian E Beyer, Felix G Meinel, Franziska Dorn, Stefan Wirth, Maximilian F Reiser, Birgit Ertl-Wagner, Kolja M Thierfelder
BACKGROUND AND PURPOSE: Endovascular therapy in addition to standard care (EVT+SC) has been demonstrated to be more effective than SC in acute ischemic large vessel occlusion stroke. Our aim was to determine the cost-effectiveness of EVT+SC depending on patients' initial National Institutes of Health Stroke Scale (NIHSS) score, time from symptom onset, Alberta Stroke Program Early CT Score (ASPECTS), and occlusion location. METHODS: A decision model based on Markov simulations estimated lifetime costs and quality-adjusted life years (QALYs) associated with both strategies applied in a US setting...
October 6, 2016: Stroke; a Journal of Cerebral Circulation
Marcin Wiącek, Rafał Kaczorowski, Jarosław Homa, Edward Filip, Janusz Darocha, Daniel Dudek, Wiesław Guz, Halina Bartosik-Psujek
BACKGROUND AND PURPOSE: Recently, positive data from several randomized controlled trials (RCTs) of endovascular therapy for acute ischemic stroke (AIS) has emerged. The aim of this retrospective study is to present our clinical experience in cerebral vessel occlusion treatment using retrievable intracranial stents. METHODS: Forty-three consecutive patients with ischemic stroke (median age 75, range 22-87) treated by stent retriever thrombectomy (Solitaire™ FR) between January 2013 and December 2015 were identified...
September 23, 2016: Neurologia i Neurochirurgia Polska
Giancarlo Nicosia, Domenico Cicala, Giuseppe Mirone, Pietro Spennato, Vincenzo Trischitta, Claudio Ruggiero, Gianluigi Guarneri, Mario Muto, Giuseppe Cinalli
INTRODUCTION: Acute basilar artery occlusion (ABAO) is an infrequent but potentially fatal cause of strokes in both adults and children, and it is usually due to vertebral artery dissection (VAD). VAD has been found to be usually a consequence of traumatic vertebral artery injury. ABAO usually presents with symptoms of acute ischemic stroke (AIS) of the posterior circulation or transient ischemic attack (TIA). It may lead to death or long-term disability if not promptly recanalized. Basilar artery recanalization in children can be achieved safely and with excellent clinical outcome using endovascular thrombectomy with the new generation self-expanding and retrievable stents...
October 4, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Valter Prpic, Riccardo Luccio
The solitaire illusion is an illusion of numerosity proposed by Frith and Frith. In the original version, an apparent number of elements was determined by the spatial arrangement of two kinds of elements (black and white marbles). In our study, an auditory version of the solitaire illusion was demonstrated. Participants were asked to judge if they perceived more drum or piano sounds. When half of the piano tones were perceived as lower in pitch than a drum sound and the other half higher, piano tones appeared to be arranged in small units, leading to numerosity underestimation...
October 3, 2016: Perception
Tobias Zander, Javier Maynar, Fernando López-Zárraga, Rogelio Herrera, Juan José Timiraos-Fernández, Andrea Saraceni, Manuel Maynar
Ischaemic stroke is a common cause of death and incapacity and is related in most cases to vascular disease. Intracranial vessel occlusion due to tumour emboli is a rare entity and adequate treatment for this condition is not defined. The use of mechanical thrombectomy devices is considered the treatment of choice for major intracranial vessel occlusion; however, no recommendation can be made in the case of tumour thrombembolia. This report describes two cases who presented with a middle cerebral artery occlusion due to tumour emboli and that were treated using the Solitaire thrombectomy device...
September 27, 2016: Interventional Neuroradiology
Hoon Kim, Seong Rim Kim, Ik Seong Park, Young Woo Kim
Cerebral venous sinus thrombosisis an uncommon entity and its clinical presentations are highly variable. We present the case of superior sagittal sinus thrombosis. Although it was medical refractory, successfully treated with mechanical thrombectomy using the Solitaire FR device. A 27-year-old man who presented with venous infarction accompanied by petechial hemorrhage secondary to the superior sagittal sinus (SSS) thrombosis. Due to rapid deterioration despite of anticoagulation therapy, the patient was taken for endovascular treatment...
September 2016: Journal of Korean Neurosurgical Society
Maxim Mokin, Elad I Levy, Adnan H Siddiqui, Mayank Goyal, Raul G Nogueira, Dileep R Yavagal, Vitor M Pereira, Jeffrey L Saver
BACKGROUND: The clot burden score (CBS) was developed as a tool to evaluate the extent of intracranial thrombus burden in patients with anterior circulation acute ischemic stroke. CBS is based on the presence or absence of contrast opacification on CT angiography (CTA). Its value in predicting radiographic and clinical outcomes in patients given endovascular stroke therapy remains unknown. OBJECTIVE: To evaluate the relationship between CBS and outcomes after stent retriever thrombectomy in the interventional arm of the SWIFT PRIME trial...
September 15, 2016: Journal of Neurointerventional Surgery
Duck-Ho Goh, Sung-Chul Jin, Hae Woong Jeong, Sam Yeol Ha
PURPOSE: Mechanical thrombectomy using a Solitaire stent has been associated with a high recanalization rate and favorable clinical outcome in intra-arterial thrombolysis. To achieve a higher recanalization rate for mechanical Solitaire thrombectomy, we used an intra-arterial low-dose booster tirofiban injection into the occluded segment after stent deployment. We report the safety and recanalization rates for mechanical Solitaire thrombectomy with a low-dose booster tirofiban injection...
September 2016: Neurointervention
Diederik W Dippel, Charles B Majoie, Yvo B Roos, Aad van der Lugt, Robert J van Oostenbrugge, Wim H van Zwam, Hester F Lingsma, Peter J Koudstaal, Kilian M Treurniet, Lucie A van den Berg, Debbie Beumer, Puck S Fransen, Olvert A Berkhemer
BACKGROUND AND PURPOSE: Intra-arterial treatment by means of retrievable stents has been proven safe and effective. In MR CLEAN (Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands), the choice of the type of thrombectomy device was left to the discretion of the interventionist. The aim of this study was to explore the differences in functional outcome, neurological recovery, reperfusion, extent of infarction, and adverse events according to stent type and make...
October 2016: Stroke; a Journal of Cerebral Circulation
Huijian Ge, Hengwei Jin, Youxiang Li, Xianli Lv
A 56-year-old woman was admitted to stent-assisted coiling for a 2-mm A1 aneurysm of the left anterior cerebral artery and a left 3-mm internal carotid artery aneurysm. While coiling the A1 aneurysm, the first 2 mm × 20 mm coil migrated through the 4.5 mm × 37 mm Enterprise stent struts, lodging at the distal anterior cerebral artery. A 4 mm × 15 mm Solitaire AB stent was used successfully in this case to remove the displaced coil. The A1 aneurysm was re-treated with a 2 mm × 40 mm coil after placement of the Enterprise stent, and the ophthalmic ICA aneurysm was also coiled through the stent struts...
August 24, 2016: Neuroradiology Journal
Tomoyuki Tsumoto, Yuichiro Tsurusaki, So Tokunaga
BACKGROUND: The mechanism by which a stent retriever removes intraluminal thrombus from an occluded vessel in humans has not previously been studied. This study performed contrast-enhanced high-resolution cone beam CT (CE-HRCBCT) during deployment of the stent retriever to observe the interaction between the strut and intraluminal thrombus intraoperatively. We also discuss the mechanism by which the thrombus is retrieved. METHODS: In 11 patients, mechanical thrombectomy was performed with a Solitaire stent retriever...
August 19, 2016: Journal of Neurointerventional Surgery
Rajsrinivas Parthasarathy, Vipul Gupta, Gaurav Goel, Anshu Mahajan
Solitaire FR stent-based mechanical thrombectomy provides clinical benefit in selected patients with acute ischaemic stroke due to large vessel occlusion. A dreaded device complication that is associated with poor technical and clinical outcome is stent detachment. Retrieval of the detached stent can be technically challenging and has been attempted with variable success. The key benefit of this strategy is the lack of need to administer fibrinolytic/antiplatelet agents that can potentially be catastrophic in the setting of acute stroke...
August 18, 2016: Journal of Neurointerventional Surgery
Rajsrinivas Parthasarathy, Vipul Gupta, Gaurav Goel, Anshu Mahajan
Solitaire FR stent-based mechanical thrombectomy provides clinical benefit in selected patients with acute ischaemic stroke due to large vessel occlusion. A dreaded device complication that is associated with poor technical and clinical outcome is stent detachment. Retrieval of the detached stent can be technically challenging and has been attempted with variable success. The key benefit of this strategy is the lack of need to administer fibrinolytic/antiplatelet agents that can potentially be catastrophic in the setting of acute stroke...
2016: BMJ Case Reports
Thomas M File, Barbara Rewerska, Violeta Vucinić-Mihailović, Joven Roque V Gonong, Anita F Das, Kara Keedy, David Taylor, Amanda Sheets, Prabhavathi Fernandes, David Oldach, Brian D Jamieson
BACKGROUND: Solithromycin, a novel macrolide antibiotic with both intravenous and oral formulations dosed once daily, has completed 2 global phase 3 trials for treatment of community-acquired bacterial pneumonia. METHODS: A total of 863 adults with community-acquired bacterial pneumonia (Pneumonia Outcomes Research Team [PORT] class II-IV) were randomized 1:1 to receive either intravenous-to-oral solithromycin or moxifloxacin for 7 once-daily doses. All patients received 400 mg intravenously on day 1 and were permitted to switch to oral dosing when clinically indicated...
October 15, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Xue-Dong Li, Jun Qin, Zhen-Yong Xiao, Yi Feng, Jia-Kang Chen
OBJECTIVE: Solitaire AB stent-assisted coiling facilitates the endovascular treatment of wide-necked intracranial aneurysms. We present our experience of coiling the micro-aneurysms of wide-neck with Solitaire AB stent assisting in a single center. METHODS: Thirty-one Solitaire AB stents were used to treat via endovascular approach patients with 31 wide-neck micro aneurysms in a single center in China. Technical and clinical complications were recorded. Modified Rankin Scale was used to evaluate the patients' conditions via clinic and telephone follow-up...
July 2016: Journal of Korean Neurosurgical Society
Pervinder Bhogal, Yince Loh, Patrick Brouwer, Tommy Andersson, Michael Söderman
OBJECTIVE: To report our preliminary experience with the use of stent retrievers to cause vasodilation in patients with delayed cerebral vasospasm secondary to subarachnoid hemorrhage. METHODS: Four patients from two different high volume neurointerventional centers developed cerebral vasospasm following subarachnoid hemorrhage. In addition to standard techniques for the treatment of cerebral vasospasm, we used commercially available stent retrievers (Solitaire and Capture stent retrievers) to treat the vasospastic segment including M2, M1, A2, and A1...
July 14, 2016: Journal of Neurointerventional Surgery
S Peschillo, F Diana, J Berge, P Missori
BACKGROUND: It has been amply demonstrated that endovascular procedures can be successful treatment for stroke, both in terms of revascularization and clinical outcome. There is not, however, a published comparison of any histological or ultrastructural damage to the vessels that may be caused by a direct aspiration first pass technique (ADAPT) or stent retrievers (SR) used in these procedures. This study analyses and compares acute damage to the arterial wall caused by ADAPT or SR. MATERIAL AND METHODS: Damage to the walls of swine extracranial arteries was evaluated after ADAPT with the Penumbra system or thrombectomy with an SR (Solitaire 6×30)...
July 7, 2016: Journal of Neurointerventional Surgery
Peng Liu, Xianli Lv, Youxiang Li, Ming Lv
AIM: The aim of this study was to present the clinical and angiographic outcomes of A1 aneurysms treated by coil embolization. MATERIALS AND METHODS: We retrospectively evaluated 38 consecutive patients with A1 aneurysm (20 ruptured and 18 unruptured; mean age, 53.8 ± 11.9 years) from 2011 to 2014 treated by an endovascular approach in our hospital. Follow-up angiography was obtained in 30 patients. Clinical outcomes were evaluated by modified Rankin Scale (mRS) over telephone...
July 2016: Neurology India
Shiwei Du, Gengsheng Mao, Dongmei Li, Ming Qiu, Qingbin Nie, Haibo Zhu, Yang Yang, Youping Zhang, Youxiang Li, Zhongxue Wu
Basilar artery occlusion (BAO) remains one of the most devastating subtypes of ischemic stroke, and prognosis is poor if early recanalization is not achieved. The purpose of this study was to evaluate the safety and technical feasibility of mechanical thrombectomy with the Solitaire AB stent (Covidien, Irvine, CA, USA) for the treatment of acute BAO through a single-center experience. Twenty-one patients with acute BAO were treated with mechanical thrombectomy with the Solitaire AB stent device between 1st September 2011 and 1st December 2014...
October 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Vikram Huded, Vivek Nambiar, Romnesh De Souza, Vikram Bohra, Ritesh Ramankutty
Stent retrieval system is an established treatment modality in acute ischemic stroke with large vessel occlusion. Here, we describe a complication which occurred during mechanical thrombectomy in three cases where the clot dislodged during retrieval. There was a possibility of the clot getting reinjected into the artery with possible dire consequences.
April 2016: Annals of Indian Academy of Neurology
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