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Endovascular stroke management

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https://www.readbyqxmd.com/read/27907956/intensive-care-management-of-the-endovascular-stroke-patient
#1
Julian Bösel
Acute ischemic stroke caused by the occlusion of large brain vessels can be treated effectively by mechanical thrombectomy, as proved by recent strong and consistent evidence from high-quality randomized trials. This new era of endovascular stroke treatment, however, poses particular challenges that go far beyond the so far gold standard of intravenous thrombolysis alone. Because these stroke patients usually present with severe neurologic deficits, may be unstable from cardiac or pulmonary instability, have to endure an invasive intervention of sometimes long duration, may suffer complications and require close postinterventional follow-up, they often demand intensive care measures...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27906754/management-of-acute-stroke-in-patients-on-oral-anticoagulants
#2
Jan C Purrucker, Thorsten Steiner
PURPOSE OF REVIEW: An increasing number of patients are receiving oral anticoagulants. Since non-vitamin K antagonist oral anticoagulants (NOACs) were approved, primary prevention of ischemic stroke has become simpler. However, managing ischemic stroke and intracerebral hemorrhage while on oral anticoagulation (OAC) has become more complex. This review covers the latest developments in managing ischemic and hemorrhagic stroke in patients receiving vitamin K antagonists (VKA) and NOACs...
November 30, 2016: Current Opinion in Neurology
https://www.readbyqxmd.com/read/27906117/carotid-artery-stenting-versus-no-stenting-assisting-thrombectomy-for-acute-ischaemic-stroke-protocol-for-a-systematic-review-of-randomised-clinical-trials-with-meta-analyses-and-trial-sequential-analyses
#3
Henrik Steglich-Arnholm, Markus Holtmannspötter, Christian Gluud, Derk Wolfgang Krieger
BACKGROUND: In patients with intracranial large vessel arterial occlusion, ipsilateral extracranial carotid artery occlusions or near-occlusions pose a significant hurdle in endovascular management of acute ischaemic stroke. Stenting of the carotid lesion may be beneficial in this situation to provide a stable access for introducing catheters through the carotid lesion into the intracranial vasculature and the target occlusion. Furthermore, carotid stenting may ensure ample blood flow for wash-out of clot material and reperfusion of the ischaemic penumbral tissue...
December 1, 2016: Systematic Reviews
https://www.readbyqxmd.com/read/27899517/endovascular-management-of-cerebral-septic-embolism-three-recent-cases-and-review-of-the-literature
#4
Eugene L Scharf, Tia Chakraborty, Alejandro Rabinstein, Amrendra S Miranpuri
Endovascular management of acute ischemic stroke secondary to septic emboli from bacterial endocarditis is case-specific and outside established guidelines. We report three new cases of an acute ischemic stroke secondary to septic embolus from two different centers. All cases reported here were large vessel occlusions of the middle cerebral artery in anticoagulated patients. In one case the embolus was noted to be firm and aspiration thrombectomy was attempted in lieu of stent retrieval. Thrombolysis in Cerebral Ischemia (TICI) 3 recanalization was achieved and the patient experienced a good outcome with resolution of deficits...
November 29, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27895297/power-of-an-adaptive-trial-design-for-endovascular-stroke-studies-simulations-using-ims-interventional-management-of-stroke-iii-data
#5
Maarten G Lansberg, Ninad S Bhat, Sharon D Yeatts, Yuko Y Palesch, Joseph P Broderick, Gregory W Albers, Tze L Lai, Philip W Lavori
BACKGROUND AND PURPOSE: Adaptive trial designs that allow enrichment of the study population through subgroup selection can increase the chance of a positive trial when there is a differential treatment effect among patient subgroups. The goal of this study is to illustrate the potential benefit of adaptive subgroup selection in endovascular stroke studies. METHODS: We simulated the performance of a trial design with adaptive subgroup selection and compared it with that of a traditional design...
December 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27889194/usefulness-of-thromboelastography-in-the-detection-and-management-of-tissue-plasminogen-activator-associated-hyperfibrinolysis
#6
Francesca Rosafio, Laura Vandelli, Guido Bigliardi, Francesco Cavallieri, Maria Luisa Dell'Acqua, Livio Picchetto, Andrea Zini
Rotation thromboelastometry is a viscoelastometric method that provides a rapid assessment of a patient's hemostatic processes in emergency settings, allowing prompt identification of specific coagulation abnormalities. Its results thus might guide targeted replacement therapy in hemorrhagic conditions, in case of platelet or coagulation factor deficiency, or hyperfibrinolysis, which is difficult to identify otherwise. Although currently used in emergency and traumatic surgery, there are limited data about thromboelastometry in ischemic stroke, particularly in monitoring the coagulative response to recombinant tissue plasminogen activator after intravenous thrombolysis (IVT)...
November 23, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27876658/stenting-for-carotid-web-a-case-report
#7
R Martínez-Pérez, S P Lownie, S Pandey, M R Boulton
BACKGROUND: The carotid web is an intraluminal shelf-like projection arising from the posterior wall of the carotid bifurcation, and is an uncommon etiology of ischemic strokes. Our objective is to describe the feasibility of endovascular stenting to treat this condition CASE REPORT: In a 47-year-old female with a sudden occlusion of her right middle cerebral artery. CT angiogram and digital subtraction angiography showed the presence of a carotid web in the ipsilateral carotid bifurcation...
November 19, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27798324/intentional-subintimal-carotid-stenting-of-internal-carotid-dissection-in-a-patient-with-acute-ischaemic-stroke
#8
Nicola Limbucci, Sergio Nappini, Andrea Rosi, Leonardo Renieri, Arturo Consoli, Salvatore Mangiafico
Carotid artery dissection is a common cause of juvenile stroke. Endovascular treatment of acute stroke due to carotid dissection can be challenging, and endoluminal crossing of the dissection is sometimes impossible. We describe a case of intentional subintimal recanalisation of a cervical carotid dissection followed by intracranial thrombectomy and stenting. We report the case of a young woman with severe acute ischaemic stroke due to carotid artery dissection and intracranial embolism. After failure of endoluminal crossing of the dissected segment, intentional subintimal crossing with re-entry distally to the dissection was achieved and a stent was deployed...
October 26, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27785516/effect-of-conscious-sedation-vs-general-anesthesia-on-early-neurological-improvement-among-patients-with-ischemic-stroke-undergoing-endovascular-thrombectomy-a-randomized-clinical-trial
#9
Silvia Schönenberger, Lorenz Uhlmann, Werner Hacke, Simon Schieber, Sibu Mundiyanapurath, Jan C Purrucker, Simon Nagel, Christina Klose, Johannes Pfaff, Martin Bendszus, Peter A Ringleb, Meinhard Kieser, Markus A Möhlenbruch, Julian Bösel
Importance: Optimal management of sedation and airway during thrombectomy for acute ischemic stroke is controversial due to lack of evidence from randomized trials. Objective: To assess whether conscious sedation is superior to general anesthesia for early neurological improvement among patients receiving stroke thrombectomy. Design, Setting, and Participants: SIESTA (Sedation vs Intubation for Endovascular Stroke Treatment), a single-center, randomized, parallel-group, open-label treatment trial with blinded outcome evaluation conducted at Heidelberg University Hospital in Germany (April 2014-February 2016) included 150 patients with acute ischemic stroke in the anterior circulation, higher National Institutes of Health Stroke Scale (NIHSS) score (>10), and isolated/combined occlusion at any level of the internal carotid or middle cerebral artery...
November 15, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27781039/recanalization-and-angiographic-reperfusion-are-both-associated-with-a-favorable-clinical-outcome-in-the-ims-iii-trial
#10
Marie L Schmitz, Sharon D Yeatts, Thomas A Tomsick, David S Liebeskind, Achala Vagal, Joseph P Broderick, Pooja Khatri
BACKGROUND: Prompt revascularization is the main goal of acute ischemic stroke treatment. We examined which revascularization scale - reperfusion (modified Treatment in Cerebral Infarctions, mTICI) or recanalization (Arterial Occlusive Lesion, AOL) - better predicted the clinical outcome in ischemic stroke participants treated with endovascular therapy (EVT). Additionally, we determined the optimal thresholds for the predictive accuracy of each scale. METHODS: We included participants from the Interventional Management of Stroke (IMS) III trial with complete occlusion in the internal carotid artery terminus or proximal middle cerebral artery (M1 or M2) who completed EVT within 7 h of symptom onset...
September 2016: Interventional Neurology
https://www.readbyqxmd.com/read/27781037/rescue-thrombectomy-in-large-vessel-occlusion-strokes-leads-to-better-outcomes-than-intravenous-thrombolysis-alone-a-real-world-applicability-of-the-recent-trials
#11
Raul G Nogueira, Osama O Zaidat, Alicia C Castonguay, Diogo C Haussen, Coleman O Martin, William E Holloway, Nils Mueller-Kronast, Joey English, Italo Linfante, Guilherme Dabus, Tim W Malisch, Franklin A Marden, Hormozd Bozorgchami, Andrew Xavier, Ansaar T Rai, Michael T Froehler, Aamir Badruddin, Thanh N Nguyen, M Asif Taqi, Michael G Abraham, Vallabh Janardhan, Albert J Yoo, Hashem Shaltoni, Alex Abou-Chebl, Peng R Chen, Gavin W Britz, Roberta Novakovic, Ashish Nanda, Ritesh Kaushal, Mohammad A Issa, Michael R Frankel, Rishi Gupta
BACKGROUND: The Interventional Management of Stroke III (IMS-III) trial demonstrated no benefit for intravenous recombinant tissue plasminogen activator (IV rt-PA) followed by endovascular therapy versus IV rt-PA alone. However, IMS-III mostly included earlier generation devices. The recent thrombectomy trials have incorporated the stent-retriever technology, but their generalizability remains unknown. METHODS: The North American Solitaire Acute Stroke (NASA) registry recruited patients treated with the Solitaire FR™ device between March 2012 and February 2013...
September 2016: Interventional Neurology
https://www.readbyqxmd.com/read/27770074/stable-incidence-but-declining-case-fatality-rates-of-subarachnoid-hemorrhage-in-a-population
#12
Jason Mackey, Jane C Khoury, Kathleen Alwell, Charles J Moomaw, Brett M Kissela, Matthew L Flaherty, Opeolu Adeoye, Daniel Woo, Simona Ferioli, Felipe De Los Rios La Rosa, Sharyl Martini, Pooja Khatri, Joseph P Broderick, Mario Zuccarello, Dawn Kleindorfer
OBJECTIVE: To characterize temporal trends in subarachnoid hemorrhage (SAH) incidence and outcomes over 5 time periods in a large population-based stroke study in the United States. METHODS: All SAHs among residents of the Greater Cincinnati/Northern Kentucky region at least 20 years of age were identified and verified via study physician review in 5 distinct year-long study periods between 1988 and 2010. We abstracted demographics, care patterns, and outcomes, and we compared incidence and case-fatality rates across the study periods...
November 22, 2016: Neurology
https://www.readbyqxmd.com/read/27765740/endovascular-therapy-of-m2-occlusion-in-ims-iii-role-of-m2-segment-definition-and-location-on-clinical-and-revascularization-outcomes
#13
T A Tomsick, J Carrozzella, L Foster, M D Hill, R von Kummer, M Goyal, A M Demchuk, P Khatri, Y Palesch, J P Broderick, S D Yeatts, D S Liebeskind
BACKGROUND AND PURPOSE: Uncertainty persists regarding the safety and efficacy of endovascular therapy of M2 occlusions following IV tPA. We reviewed the impact of revascularization on clinical outcomes in 83 patients with M2 occlusions in the Interventional Management of Stroke III trial according to specific M1-M2 segment anatomic features. MATERIALS AND METHODS: Perfusion of any M2 branch distinguished M2-versus-M1 occlusion. Prespecified modified TICI and arterial occlusive lesion revascularization and clinical mRS 0-2 end points at 90 days for endovascular therapy-treated M2 occlusions were analyzed...
October 20, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27751333/bilateral-spontaneous-internal-carotid-artery-dissection-managed-with-endovascular-stenting-a-case-report
#14
Manoj Kumar Agarwala, Azeez Asad, Naveen Gummadi, Sundar Chidambaram, J Venkateswaralu
Carotid artery dissection (CAD) is a frequent cause of stroke, accounting for up to 25% of all ischemic strokes in young and middle-aged patients.(1,2) It may be traumatic or spontaneous, with multi-factorial etiology. A tear in the arterial wall causes intrusion of blood within its layers, producing intra-luminal stenosis, or aneurysmal dilatation.(3) Thrombo-embolism arising from this anatomic disruption has been postulated as the essential stroke mechanism in CAD.(4) Bilateral internal carotid artery dissection (ICAD) has been rarely reported...
September 2016: Indian Heart Journal
https://www.readbyqxmd.com/read/27750252/optimized-flat-detector-ct-in-stroke-imaging-ready-for-first-line-use
#15
Matthias Eckert, Philipp Gölitz, Hannes Lücking, Tobias Struffert, Frauke Knossalla, Arnd Doerfler
BACKGROUND: Using flat-detector CT (FD-CT) for stroke imaging has the advantage that both diagnostic imaging and endovascular therapy can be performed directly within the Angio Suite without any patient transfer and time delay. Thus, stroke management could be speeded up significantly, and patient outcome might be improved. But as precondition for using FD-CT as primary imaging modality, a reliable exclusion of intracranial hemorrhage (ICH) has to be possible. This study aimed to investigate whether optimized native FD-CT, using a newly implemented reconstruction algorithm, may reliably detect ICH in stroke patients...
October 18, 2016: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27707621/predictors-of-intervention-and-mortality-in-patients-with-uncomplicated-acute-type-b-aortic-dissection
#16
Hunter M Ray, Christopher A Durham, Daniel Ocazionez, Kristofer M Charlton-Ouw, Anthony L Estrera, Charles C Miller, Hazim J Safi, Ali Azizzadeh
OBJECTIVE: Patients with uncomplicated acute type B aortic dissection (uATBAD) have historically been managed with medical therapy. Recent studies suggest that high-risk patients with uATBAD may benefit from thoracic endovascular aortic repair. This study aims to determine the predictors of intervention and mortality in patients with uATBAD. METHODS: All patients admitted with uATBAD from 2000 to 2014 were reviewed, and those with computed tomographic angiography imaging were included...
October 1, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27692758/thoracic-endovascular-aortic-repair-tevar-in-proximal-type-a-aortic-dissection-ready-for-a-broader-application
#17
Christoph A Nienaber, Natzi Sakalihasan, Rachel E Clough, Mohamed Aboukoura, Enrico Mancuso, James S M Yeh, Jean-Olivier Defraigne, Nick Cheshire, Ulrich Peter Rosendahl, Cesare Quarto, John Pepper
OBJECTIVE: Thoracic endovascular aortic repair (TEVAR) has demonstrated encouraging results and is gaining increasing acceptance as a treatment option for aortic aneurysms and dissections. Yet, its role in managing proximal aortic pathologies is unknown-this is important because in proximal (Stanford type A) aortic dissections, 10% to 30% are not accepted for surgery and 30% to 50% are technically amenable for TEVAR. We describe our case series of type A aortic dissections treated by using TEVAR...
August 29, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27689245/vessel-preserving-stent-assisted-coil-embolization-of-an-extracranial-internal-carotid-artery-pseudoaneurysm-that-developed-after-tonsillectomy-in-a-pediatric-patient-initial-case-report
#18
Jeffrey Steinberg, Vincent Cheung, Gunjan Goel, J Scott Pannell, Javan Nation, Alexander Khalessi
Although there have been reports of carotid artery pseudoaneurysm formation after adenoidectomy and/or tonsillectomy secondary to iatrogenic injury, there are no case reports of successful endovascular reconstruction of the injured artery in the pediatric population. In most pediatric cases, the internal carotid artery (ICA) is sacrificed. The authors report on a 6-year-old girl who presented with odynophagia, left-sided Horner's syndrome, hematemesis, and severe anemia 6 months after a tonsillectomy. On examination she was found to have a pulsatile mass along the left posterior lateral oropharynx, and imaging demonstrated a dissection of the extracranial left ICA and an associated pseudoaneurysm...
September 30, 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27666802/initial-experiences-with-endovascular-management-of-submassive-pulmonary-embolism-is-it-safe
#19
Timothy J Fuller, Christopher M Paprzycki, Muhammad H Zubair, Lala R Hussain, Brian A Kuhn, Matthew H Recht, Patrick E Muck
BACKGROUND: Interventional strategies for massive and submassive Pulmonary Embolism (smPE) have historically included either systematic intravenous thrombolytic alteplase (IV TPA) or surgical embolectomy, both of which are associated with significant morbidity and mortality. However, with the advent of endovascular techniques, recent studies have suggested that an endovascular approach to the treatment of acute smPE may be both safe and effective with excellent outcomes. The purpose of this study was to evaluate the outcomes of patients who have undergone catheter directed thrombolysis (CDT) for smPE at our institution in an effort to determine the safety of the procedure...
September 22, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27618782/neurological-outcomes-following-iatrogenic-vascular-injury-during-posterior-atlanto-axial-instrumentation
#20
Oluwaseun O Akinduro, Griffin R Baum, Brian M Howard, Gustavo Pradilla, Jonathan A Grossberg, Gerald E Rodts, Faiz U Ahmad
BACKGROUND: Iatrogenic vascular injury is a feared complication of posterior atlanto-axial instrumentation. A better understanding of clinical outcome and management options following this injury will allow surgeons to better care for these patients. The object of the study was to systematically review the neurologic outcomes after iatrogenic vascular injury during atlanto-axial posterior instrumentation. METHODS: We performed a systematic review of the Medline database following PRISMA guidelines...
November 2016: Clinical Neurology and Neurosurgery
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