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https://www.readbyqxmd.com/read/28944944/endovascular-treatment-of-intracranial-anterior-circulation-aneurysms-with-flow-diverters-a-single-centre-experience-with-mid-and-long-term-results
#1
Ezel Yaltirik Bilgin, Baran Önal, Hakan Emmez, Koray Akkan, Erhan Ilgit, Erkan Bilgin, Emetullah Cindil, Alp Ozgun Borcek
AIM: We report our experience with flow diverter devices in the treatment of intracranial aneurysms arising from anterior circulation with mid and long-term follow-up. MATERIAL AND METHODS: 78 aneurysms in 61 patients (range 25-81 years, 13 male, 48 female) were treated with flow diverter devices. 40 (51,3%) aneurysms were treated with pipeline embolization device (PED), 24 (30,8%) aneurysms were treated with SILK stent, 12(15,4%) aneurysms were treated with flow redirection endoluminal device (FRED) and two aneurysms were treated with P64 Flow Modulation Device (P64)...
July 11, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28723752/full-covered-self-expandable-metal-stents-for-the-treatment-of-anastomotic-leak-using-a-silk-thread
#2
Cheol Woong Choi, Dae Hwan Kang, Hyung Wook Kim, Su Bum Park, Su Jin Kim, Sun Hwi Hwang, Si Hak Lee
To evaluate the safety and effectiveness of fixation of the fully covered self-expandable metal stent (SEMS) placement using a silk thread for complete closure of an anastomotic leak. An anastomotic leak is a life-threatening complication after gastrectomy. Although the traditional treatment of choice was surgical re-intervention, an endoscopic SEMS can be used alternatively.During the study period, we retrospectively reviewed consecutive patients who received a modified covered SEMS capable of being fixed using a silk thread (Shim technique) due to an anastomotic leak after gastrectomy to prevent stent migration...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28685380/intracranial-aneurysms-treated-by-flow-diverting-stents-long-term-follow-up-with-contrast-enhanced-magnetic-resonance-angiography
#3
Maximilian Patzig, Robert Forbrig, Lorenz Ertl, Hartmut Brückmann, Gunther Fesl
PURPOSE: Long-term data on aneurysm treatment with flow-diverting stents are still sparse, and follow-up protocols differ widely between institutions. We present long-term results, with a focus on the usefulness of contrast-enhanced MR angiography (ceMRA). MATERIALS AND METHODS: Interventions and follow-up imaging of patients with aneurysms treated by flow-diverting stents ("Pipeline," "Silk" and "FRED" models) without additional coiling were analyzed. All MRI scans included dedicated two-phase ceMRA...
July 6, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28679854/acute-occlusions-of-dual-layer-carotid-stents-after-endovascular-emergency-treatment-of-tandem-lesions
#4
Umut Yilmaz, Heiko Körner, Ruben Mühl-Benninghaus, Andreas Simgen, Catherine Kraus, Silke Walter, Stefanie Behnke, Klaus Faßbender, Wolfgang Reith, Marcus M Unger
BACKGROUND AND PURPOSE: A new generation of carotid artery stents that uses a second micromesh layer to reduce embolic events during carotid artery stenting has recently been introduced. The purpose of this study was to compare acute occlusion rates of these new dual-layer stents with those of single-layer stents in the setting of emergency carotid artery stenting with intracranial mechanical thrombectomy in acute ischemic stroke. METHODS: Consecutive patients with acute tandem (intra- and extracranial) lesions of the anterior circulation who were endovascularly treated at our institution were identified from our registry of neuroendovascular interventions...
August 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28576622/haemodynamic-effects-of-stent-diameter-and-compaction-ratio-on-flow-diversion-treatment-of-intracranial-aneurysms-a-numerical-study-of-a-successful-and-an-unsuccessful-case
#5
Mingzi Zhang, Yujie Li, Xi Zhao, David I Verrelli, Winston Chong, Makoto Ohta, Yi Qian
BACKGROUND: Compacting a flow-diverting (FD) stent is an emerging technique to create a denser configuration of wires across the aneurysm ostium. However, quantitative analyses of post-stenting haemodynamics affected by the compaction level of different stent sizes remain inconclusive. OBJECTIVE: To compare the aneurysmal haemodynamic alterations after virtual FD treatments with different device diameters at different compaction ratios. METHODS: We virtually implanted three sizes of FD stent, with each size deployed at four compaction ratios, into two patient aneurysms previously treated with the Silk+FD-one successful case and the other unsuccessful...
May 16, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28496923/emergency-covered-stent-implantation-for-rupture-of-a-pulmonary-vein-after-balloon-angioplasty-for-postinterventional-pulmonary-vein-stenosis
#6
Sebastian Hilbert, Silke John, Frank-Thomas Riede, Arash Arya, Ingo Paetsch, Cosima Jahnke, Gerhard Hindricks, Andreas Bollmann
Pulmonary vein (PV) stenosis is a known complication of PV isolation procedures for atrial fibrillation. We describe in this report a case of emergency covered stent implantation for rupture of a PV after balloon angioplasty for postinterventional PV stenosis occlusion. Focus is on stent implantation and on a novel aspect of magnetic resonance imaging for postprocedural outcome evaluation. A focused review of the current literature regarding ongoing limitations of PV stenosis treatment is provided.
October 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/28327963/treatment-of-intracranial-aneurysms-with-the-silk-embolization-device-in-a-multicenter-study-a-retrospective-data-analysis
#7
José Manuel Pumar, Alexandra Banguero, Hugo Cuellar, Leopoldo Guimaraens, Javier Masso, Salvador Miralbes, Miguel Blanco-Ulla, Fernando Vazquez-Herrero, Miguel Souto, Miguel Gelabert-Gonzalez
BACKGROUND: Flow-diverter technology has become an important stent-based embolization tool in the treatment of complex cerebrovascular pathology. We report here the experience of 4 Spanish centers with using the SILK flow-diverter (SFD) device. OBJECTIVE: To evaluate the safety and efficacy of using the SFD in the endovascular treatment of intracranial aneurysms with complex morphology. METHODS: We retrospectively examined a prospectively maintained database of patients treated with SFD devices between July 2008 and December 2013 at 1 of 4 institutions in Spain...
October 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28236931/technical-aspects-of-transcarotid-artery-revascularization-using-the-enroute-transcarotid-neuroprotection-and-stent-system
#8
Mahmoud B Malas, Jose Leal, Vikram Kashyap, Richard Paul Cambria, Christopher J Kwolek, Enrique Criado
Transcarotid artery revascularization (TCAR) with the ENROUTE transcarotid neuroprotection and stent system (Silk Road Medical, Inc, Sunnyvale, Calif) combines surgical principles of neuroprotection with less invasive endovascular techniques to treat high grade stenosis in the carotid artery. The ENROUTE Neuroprotection System allows the surgeon to directly access the common carotid artery to initiate high rate temporary blood flow reversal to protect the brain while performing carotid angioplasty and stenting...
March 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27593785/endovascular-treatment-of-wide-necked-ruptured-saccular-aneurysms-with-flow-diverter-stent
#9
Enes Duman, İlker Çöven, Erkan Yildirim, Cem Yilmaz, Ulaş Pinar
AIM: Flow diverter (FD) stents have been used in the treatment of unruptured intracranial aneurysms. There are a few studies that report the use of these devices in ruptured blister-like aneurysms. We present 5 consecutive patients, who have ruptured intracranial wide necked or side branch close to the neck of saccular aneurysms, have no other treatment options, treated with FD stents and coil embolization. MATERIAL AND METHODS: Between September 2012 and April 2015, 139 ruptured aneurysms of 133 consequent patients were treated...
December 28, 2015: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27506257/stent-removal-in-200-kidney-transplant-recipients-nonoperative-versus-endoscopic-removal
#10
COMPARATIVE STUDY
Nasser Simforoosh, Khaled Obeid, Babak Javanmard, Gholam Hossein Rezaeetalab, Shahram Razmjoo, Mohammad Hossein Soltani
OBJECTIVES: Inserting a double J stent during kidney transplant has reduced the rate of urologic complications. Traditionally, a double J stent is removed via endoscopic intervention. Here, we assessed the safety and efficacy of a nonoperative method for double J stent removal. MATERIALS AND METHODS: Our study group included 200 consecutive patients who underwent kidney transplant from January 2013 to April 2014. Group A consisted of 100 recipients who had a double J stent that was tied to a Foley catheter with 2-0 silk suture...
August 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27488703/self-expanding-plastic-stent-for-esophageal-leaks-and-fistulae
#11
Shrihari Anil Anikhindi, Piyush Ranjan, Munish Sachdeva, Mandhir Kumar
BACKGROUND: Self-expanding plastic stents (SEPS) have emerged as a good alternative to surgery in esophageal leaks and fistulae. There is scarce published literature regarding its efficacy in these conditions. We present our experience with SEPS in treatment of esophageal leaks and fistulae. METHODS: Consecutive patients admitted in a tertiary referral center who underwent SEPS placement for esophageal leak or fistula between February 2012 and February 2015 were retrospectively evaluated...
July 2016: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/27402799/two-stage-reconstructive-overlapping-stent-leo-and-silk-for-treatment-of-intracranial-circumferential-fusiform-aneurysms-in-the-posterior-circulation
#12
Guilherme Cabral de Andrade, Helvercio P Alves, Valter Clímaco, Eduardo Pereira, Alexandre Lesczynsky, Michel E Frudit
Intracranial circumferential fusiform aneurysms of the posterior circulation involving arterial branches or perforating vessels are difficult to treat. This article shows an endovascular reconstruction technique not yet described, using a telescoping self-expandable stent (LEO+) and flow-diverter device (SILK) at different surgical times. Two patients with circumferential fusiform aneurysm, one being an aneurysm of the segments P2 and P3 of the posterior cerebral artery, diagnosed after a headache, and the other a partially thrombosed aneurysm of the lower basilar artery, diagnosed following ischemia of the brain stem...
October 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27400098/silk-device-for-the-treatment-of-intracranial-aneurysms-part-1-peri-procedural-results-technical-aspects-and-learning-curve
#13
Erdem Gurkas, Tunca Kaya, Ergun Daglioglu, Ilkay Akmangit, Deniz Belen, Ahmet Peker, Dogan Dede, Anil Arat
AIM: We evaluated the procedural outcomes of intracranial aneurysm treatment with the Silk device and its relation with operator experience. We also detailed some technical points we learned throughout our experience. MATERIAL AND METHODS: One hundred and six consecutive patients with intracranial aneurysms treated using Silk (BaltExtrusion, Montmorency, France) stent between October 2010 and November 2013 were included. Patients were evaluated in terms of age, sex, aneurysm size, location, technical success, and adverse events...
2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27294446/flow-diversion-for-the-treatment-of-intracranial-aneurysms
#14
REVIEW
Brian P Walcott, Christopher J Stapleton, Omar Choudhri, Aman B Patel
IMPORTANCE: Brain aneurysms have traditionally been treated with surgical clipping or endovascular coiling techniques. With these modalities, many large or complex aneurysms remain difficult to treat. A new option, flow diversion, is now available to treat aneurysms. OBJECTIVE: To summarize the clinical progression of flow diversion technology, from an experimental treatment to a commonly used method to treat large or complex aneurysms. EVIDENCE REVIEW: References for this topical review were identified by searches of PubMed and GoogleScholar between January 2000 and January 2016...
August 1, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/26965816/endovascular-aortoiliac-aneurysm-repair-with-fenestrated-stent-graft-and-iliac-side-branch-using-image-fusion-without-iodinated-contrast-medium
#15
Wael Ahmad, Michael Gawenda, Silke Brunkwall, Robert Shahverdyan, Jan Sigge Brunkwall
BACKGROUND: The endovascular aneurysm repair (EVAR) is becoming the preferred method to treat an aortic aneurysm with its better short-term postoperative mortality and morbidity rates in comparison with the open repair. A main drawback of this method is the need to use a nephrotoxic iodinated contrast medium to visualize the aorta and its side branches. CASE REPORT: An 83-year-old man with an asymptomatic infrarenal aortic aneurysm of a 51-mm diameter accompanied by a 42-mm aneurysm of the left common iliac artery was treated with combined fenestrated EVAR (FEVAR) and iliac side branch stent graft (ISBG) under guidance of image fusion (IF) without the intraoperative use of iodinated contrast agent...
May 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/26965809/direct-cervical-carotid-angioplasty-with-flow-reversal-a-single-center-report-from-the-roadster-trial
#16
MULTICENTER STUDY
Wesley S Moore, Brian G DeRubertis
BACKGROUND: Carotid stent and/or angioplasty (CAS) via the transfemoral route with distal protection carries twice the risk of stroke and/or death when compared with carotid endarterectomy (CEA) in multiple randomized trials. Potential causes for this include disadvantaged aortic arch anatomy and the need to traverse the lesion to place a distal protection device. This report describes the technique and our experience with direct CAS using flow reversal for embolic protection. METHODS: University of California at Los Angeles (UCLA) division of Vascular and Endovascular surgery was a participant in the multi-institutional Roadster Trial of high-risk patients...
May 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/26630988/silk-flow-diverter-in-the-treatment-of-complex-intracranial-aneurysms-a-single-center-experience-with-60-patients
#17
Ido Strauss, Shimon Maimon
BACKGROUND: Flow diverters are used to treat complex aneurysms that are not amenable to coiling. The aim of the present work was to retrospectively evaluate our experience with the Silk flow diverter. Technical nuances and complications are specifically discussed. METHODS: Retrospectively data was collected on patients treated with Silk between October 2008 and October 2013. RESULTS: Sixty patients harboring 67 aneurysms were treated using the Silk...
February 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/26506270/results-of-the-roadster-multicenter-trial-of-transcarotid-stenting-with-dynamic-flow-reversal
#18
MULTICENTER STUDY
Christopher J Kwolek, Michael R Jaff, J Ignacio Leal, L Nelson Hopkins, Rasesh M Shah, Todd M Hanover, Sumaira Macdonald, Richard P Cambria
OBJECTIVE: This report presents the 30-day results of the Safety and Efficacy Study for Reverse Flow Used During Carotid Artery Stenting Procedure (ROADSTER) multicenter trial and evaluates the safety and efficacy of ENROUTE Transcarotid NPS (Silk Road Medical Inc, Sunnyvale, Calif), a novel transcarotid neuroprotection system that provides direct surgical common carotid access and cerebral embolic protection via high-rate flow reversal during carotid artery stenting (CAS). METHODS: A prospective, single-arm, multicenter clinical trial was performed to evaluate the use of the ENROUTE Transcarotid NPS during CAS procedures performed in patients considered to be at high risk for complications from carotid endarterectomy...
November 2015: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/26314872/endovascular-treatment-of-cerebral-aneurysms-using-flow-diverter-devices-a-systematic-review
#19
REVIEW
Francesco Briganti, Giuseppe Leone, Mariano Marseglia, Giuseppe Mariniello, Ferdinando Caranci, Arturo Brunetti, Francesco Maiuri
BACKGROUND: Flow-diverter devices (FDDs) are new-generation stents placed in the parent artery at the level of the aneurysm neck to disrupt the intra-aneurysmal flow thus favoring intra-aneurysmal thrombosis. OBJECTIVE: The objective of this review article is to define the indication and results of the treatment of intracranial aneurysms by FDD, reviewing 18 studies of endovascular treatment by FDDs for a total of 1704 aneurysms in 1483 patients. METHODS: The medical literature on FDDs for intracranial aneurysms was reviewed from 2009 to December 2014...
August 2015: Neuroradiology Journal
https://www.readbyqxmd.com/read/26273691/rapidly-progressive-intracranial-artery-stenosis-in-primary-antiphospholipid-syndrome
#20
Christian L Seifert, Markus C Kowarik, Klaus Thürmel, Achim Berthele, Sascha Prothmann, Silke Wunderlich
Antiphospholipid antibody syndrome (APS) is usually a disease of young adults. In elderly stroke patients APS was not associated with progressive intracerebral stenosis in the past. Here, we report a 65-year-old patient who presented with recurrent ischemic strokes associated with progressive stenosis of the right middle cerebral artery. Antiphospholipid antibodies were detected and treatment with plasma exchange, tapered steroids, and anticoagulants was successful. This case demonstrates that APS should be considered also in elderly stroke patients...
July 2015: Annals of Clinical and Translational Neurology
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