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Acute ischemic stroke AND mechanical thrombectomy

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https://www.readbyqxmd.com/read/28723732/role-of-anesthesia-in-endovascular-stroke-therapy
#1
Arthur Wang, Apolonia E Abramowicz
PURPOSE OF REVIEW: Recent randomized clinical trials have demonstrated strong efficacy of endovascular therapy (EVT) for acute ischemic stroke (AIS) from large vessel occlusions; in the USA alone, tens of thousands of patients annually may benefit. The impact of the type of anesthesia used during mechanical thrombectomy on patient outcomes remains controversial. This review discusses the current literature on the effects of anesthesia type on patient outcome following endovascular stroke therapy...
July 18, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28721332/to-stent-or-not-to-stent-a-tale-of-two-occlusions
#2
Ali S Haider, Lyndon K Lee, Tijani Osumah, Saira Alli, Umair Khan, Steven Vayalumkal, Aida Kafai Golahmadi, Richa Thakur, Phu Nguyen, Kennith F Layton
Stenting and balloon angioplasty, along with mechanical thrombectomy, have gained notability as adjunctive treatment options to intravenous tissue plasminogen activator (IV-tPA) for tandem internal carotid artery (ICA) and middle cerebral artery (MCA) occlusions (TIM occlusions). Acute ischemic strokes (AISs) secondary to TIM occlusions are associated with poor patient outcomes primarily due to low recanalization rates following intravenous thrombolysis, consequently prompting the need for more invasive recanalization efforts...
June 17, 2017: Curēus
https://www.readbyqxmd.com/read/28721323/endovascular-management-of-stroke-patients-with-large-vessel-occlusion-and-minor-stroke-symptoms
#3
REVIEW
Saeed A Alqahtani, Andrew B Stemer, Michael F McCullough, Randy S Bell, Jeffrey Mai, Ai-Hsi Liu, Rocco A Armonda
Endovascular mechanical thrombectomy for stroke patients with large vessel occlusion (LVO) in the anterior circulation has become the standard of care based on several major randomized clinical trials. The successful result reported by these trials constitutes what may be the largest achievement in the history of neurological sciences. However, most of these mechanical thrombectomy trials (except for the multicenter randomized clinical trial of endovascular treatment for acute ischemic stroke in the Netherlands, i...
June 15, 2017: Curēus
https://www.readbyqxmd.com/read/28712720/manual-aspiration-thrombectomy-in-patients-with-acute-stroke-related-calcified-cerebral-emboli
#4
Esther Koh, Hyo Sung Kwak, Gyung-Ho Chung
OBJECTIVE: The aim of this study was to evaluate the effectiveness of mechanical aspiration thrombectomy (MAT) in patients with acute ischemic stroke from calcified cerebral emboli. METHODS: Procedural results were reviewed for acute stroke patients with clinically neurological deficits who underwent recanalization from October 2012 through September 2015. Initial imaging studies and cerebral angiography were analyzed. RESULTS: Of the total number of patients with acute stroke, 5 patients were confirmed to have acute ischemic stroke by calcified cerebral emboli...
July 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28709707/endovascular-treatment-of-acute-ischemic-stroke-with-eric-device
#5
Laurent Pierot, Jean-Yves Gauvrit, Vincent Costalat, Michel Piotin, Charbel Mounayer, Denis Herbreteau, Sophie Gallas, René Anxionnat, Hubert Desal
BACKGROUND AND PURPOSE: After 6 positive randomized trials, mechanical thrombectomy with stent-retriever is now recommended as a first-line treatment for acute ischemic stroke (AIS). The ERIC device is a device with several interlinked cage-like spheres fixed on a pusher wire. Neurothrombectomy France (NTF) is a registry conducted in France to analyze the results of mechanical thrombectomy. In order to analyze its performances, the subgroup of patients treated with the ERIC device was analyzed...
July 11, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28702769/short-and-long-term-outcomes-after-combined-intravenous-thrombolysis-and-mechanical-thrombectomy-versus-direct-mechanical-thrombectomy-a-prospective-single-center-study
#6
Giovanni Merlino, Massimo Sponza, Benedetto Petralia, Alessandro Vit, Vladimir Gavrilovic, Andrea Pellegrin, Michele Rana, Iacopo Cancelli, Sara Naliato, Simone Lorenzut, Roberto Marinig, Ferdinando Calzolari, Roberto Eleopra
Recent clinical trials demonstrated that mechanical thrombectomy (MT) using second-generation endovascular devices has beneficial effects in acute ischemic stroke (AIS) due to large vessel occlusion (LVO). However, it remains controversial if intravenous thrombolysis (IVT) prior to MT is superior compared to direct mechanical thrombectomy (DMT). The aims of this study were to compare short and long-term outcomes between IVT + MT and DMT patients. We prospectively recruited AIS patients with LVO in the anterior or posterior circulation eligible for MT with and without prior IVT...
July 12, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28702117/balloon-angioplasty-for-intracranial-atherosclerotic-disease-a-multicenter-study
#7
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/28687721/blood-pressure-levels-post-mechanical-thrombectomy-and-outcomes-in-large-vessel-occlusion-strokes
#8
Nitin Goyal, Georgios Tsivgoulis, Abhi Pandhi, Jason J Chang, Kira Dillard, Muhammad Fawad Ishfaq, Katherine Nearing, Asim F Choudhri, Daniel Hoit, Anne W Alexandrov, Adam S Arthur, Lucas Elijovich, Andrei V Alexandrov
OBJECTIVE: There are limited data evaluating the effect of post mechanical thrombectomy (MT) blood pressure (BP) levels on early outcomes of patients with large vessel occlusions (LVO). We sought to investigate the association of BP course following MT with early outcomes in LVO. METHODS: Consecutive patients with LVO treated with MT during a 3-year period were evaluated. Hourly systolic BP (SBP) and diastolic BP (DBP) values were recorded for 24 hours following MT and maximum SBP and DBP levels were identified...
July 7, 2017: Neurology
https://www.readbyqxmd.com/read/28679854/acute-occlusions-of-dual-layer-carotid-stents-after-endovascular-emergency-treatment-of-tandem-lesions
#9
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...
July 5, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28673810/repeated-mechanical-thrombectomy-in-the-same-intracranial-artery-segment
#10
Herbert Tejada Meza, Maria Rosario Barrena Caballo, Santiago Guelbenzu Morte, Roberto Martínez García, Javier Marta Moreno
We report a patient with an important scenario that may arise in the management of an acute ischemic stroke: the need for a repeated mechanical thrombectomy in the same intracranial artery segment. The patient had a history of atrial fibrillation and a mechanical mitral valve replacement. In her first stroke, she had an occlusion of the proximal segment of the right middle cerebral artery; 58 days later, she presented with an occlusion in the same segment of that cerebral artery. In both instances, the thrombus was extracted by a stent retriever with good clinical and radiographic results...
June 30, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28655813/neurovascular-unit-protection-from-cerebral-ischemia-reperfusion-injury-by-radical-containing-nanoparticles-in-mice
#11
Hisayuki Hosoo, Aiki Marushima, Yukio Nagasaki, Aki Hirayama, Hiromu Ito, Sandra Puentes, Arnela Mujagic, Hideo Tsurushima, Wataro Tsuruta, Kensuke Suzuki, Hirofumi Matsui, Yuji Matsumaru, Tetsuya Yamamoto, Akira Matsumura
BACKGROUND AND PURPOSE: Reperfusion therapy by mechanical thrombectomy is used to treat acute ischemic stroke. However, reactive oxygen species generation after reperfusion therapy causes cerebral ischemia-reperfusion injury, which aggravates cerebral infarction. There is limited evidence for clinical efficacy in stroke for antioxidants. Here, we developed a novel core-shell type nanoparticle containing 4-amino-4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl (nitroxide radical-containing nanoparticles [RNPs]) and investigated its ability to scavenge reactive oxygen species and confer neuroprotection...
June 27, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28652053/mr-imaging-in-hyperacute-ischemic-stroke
#12
Carla Vert, Carmen Parra Fariñas, Àlex Rovira
Brain and vascular imaging are required components of the emergency assessment of patients with suspected stroke. Either CT or MRI may be used as the initial imaging test. MRI is more sensitive to the presence of acute and chronic ischemic lesions, and chronic microbleeds, but CT remains the most practical and used initial brain imaging test. Although, a non-enhanced CT or T2* MRI sequence showing no haemorrhage is sufficient for deciding intravenous treatment eligibility within the first 4.5h after stroke onset, a non-invasive intracranial vascular study is strongly recommended during the initial imaging evaluation of the acute stroke patient, particularly if mechanical thrombectomy is contemplated...
June 19, 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28645588/long-term-outcomes-of-mechanical-thrombectomy-for-treatment-of-acute-ischemic%C3%A2-stroke
#13
David J McCarthy, Christian Theodotou, Samir Sur, Brian Snelling, Stephanie Chen, Eric C Peterson, Robert M Starke
No abstract text is available yet for this article.
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28645587/dawn-of-an-even-newer-era-mechanical-thrombectomy-for-acute-ischemic-stroke-beyond-6-to-8-hours
#14
Christoph J Griessenauer, Clemens M Schirmer
No abstract text is available yet for this article.
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28644924/intravenous-thrombolysis-for-acute-ischemic-stroke-a-bridge-between-two-centuries
#15
Georgios Tsivgoulis, Odysseas Kargiotis, Andrei Alexandrov
Intravenous tissue-plasminogen activator (tPA) remains the only approved systemic reperfusion therapy suitable for most patients presenting timely with acute ischemic stroke. Accumulating real-word experience for over 20 years regarding tPA safety and effectiveness lead to re-appraisal of original contraindications for intravenous thrombolysis (IVT). Areas covered: This narrative review focuses on fast yet appropriate selection of patients for safe administration of tPA per recently expanded indications. Novel strategies for rapid patient assessment will be discussed...
June 23, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/28644260/intravenous-alteplase-for-acute-stroke-and-pulmonary-embolism-in-a-patient-with-recent-abdominoplasty
#16
Michael E Christiansen, Gyanendra Kumar, Raman C Mahabir, Richard A Helmers, Bernard R Bendok, Cumara B O'Carroll
INTRODUCTION: Major surgery in the past 14 days is a relative contraindication to treatment of acute stroke with intravenous (IV) alteplase. The 2016 American Heart Association/American Stroke Association scientific statement discussing inclusion and exclusion criteria for alteplase in acute stroke allows for provider judgment citing a lack of evidence to support surgery as an absolute contraindication. CASE REPORT: A 59-year-old woman presented with acute left hemiparesis, dysarthria, and acute respiratory failure...
July 2017: Neurologist
https://www.readbyqxmd.com/read/28611827/repeated-mechanical-thrombectomy-in-recurrent-large-vessel-occlusion-acute-ischemic-stroke
#17
Mehdi Bouslama, Diogo C Haussen, Leticia C Rebello, Jonathan A Grossberg, Michael R Frankel, Raul G Nogueira
BACKGROUND: Endovascular therapy has been proven effective for the treatment of large vessel occlusion strokes (LVOS). However, the feasibility and potential benefits of repeat thrombectomy for recurrent stroke is unclear. We aim to report our experience with repeat thrombectomy for recurrent LVOS. METHODS: We reviewed our prospectively collected endovascular database for patients who underwent repeated mechanical thrombectomy. Baseline characteristics, procedural data and outcomes were evaluated...
March 2017: Interventional Neurology
https://www.readbyqxmd.com/read/28605743/incomplete-large-vessel-occlusions-in-mechanical-thrombectomy-an-independent-predictor-of-favorable-outcome-in-ischemic-stroke
#18
Volker Maus, Seunghwa You, Alev Kalkan, Jan Borggrefe, Christoph Kabbasch, Utako Birgit Barnikol, Henning Stetefeld, Christian Dohmen, Thomas Liebig, Gereon Rudolf Fink, Anastasios Mpotsaris
BACKGROUND AND PURPOSE: Cerebral large vessel occlusion (LVO) in acute ischemic stroke (AIS) may be complete (CLVO) or incomplete (ILVO). The influence of ILVO on clinical outcome after mechanical thrombectomy (MT) remains unclear. We investigated primarily the clinical outcome in patients with AIS due to ILVO or CLVO. METHODS: Five hundred three consecutive AIS patients with LVO treated with stent-retriever or direct aspiration-based MT between 2010 and 2016 were analyzed...
June 13, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28600482/a-multicenter-study-evaluating-the-frequency-and-time-requirement-of-mechanical-thrombectomy
#19
Taylor A Wilson, Thabele Leslie-Mazwi, Joshua A Hirsch, Casey Frey, Teddy E Kim, Alejandro M Spiotta, Reade de Leacy, J Mocco, Felipe C Albuquerque, Andrew F Ducruet, Ahmed Cheema, Adam Arthur, Visish M Srinivasan, Peter Kan, Maxim Mokin, Travis Dumont, Ansaar Rai, Jasmeet Singh, Stacey Q Wolfe, Kyle M Fargen
INTRODUCTION: There are few published data evaluating the incidence of mechanical thrombectomy among stroke centers or the times at which they occur. METHODS: A multicenter retrospective study was performed to identify all patients undergoing emergent thrombectomy for acute ischemic stroke during a 3-month period (June through August 2016). Consultations that did not undergo thrombectomy were not included. RESULTS: Ten institutions participated in the study...
June 9, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28600481/optimal-thresholds-for-ischemic-penumbra-predicted-by-computed-tomography-perfusion-in-patients-with-acute-ischemic-stroke-treated-with-mechanical-thrombectomy
#20
Katsuharu Kameda, Junji Uno, Ryosuke Otsuji, Nice Ren, Shintaro Nagaoka, Kazushi Maeda, Yoshiaki Ikai, Hidefuku Gi
BACKGROUND AND PURPOSE: Optimal thresholds for ischemic penumbra detected by CT perfusion (CTP) in patients with acute ischemic stroke (AIS) have not been elucidated. In this study we investigated optimal thresholds for salvageable ischemic penumbra and the risk of hemorrhagic transformation (HT). METHODS: A total of 156 consecutive patients with AIS treated with mechanical thrombectomy (MT) at our hospital were enrolled. Absolute (a) and relative (r) CTP parameters including cerebral blood flow (aCBF and rCBF), cerebral blood volume (aCBV and rCBV), and mean transit time (aMTT and rMTT) were evaluated for their value in detecting ischemic penumbra in each of seven arbitrary regions of interest defined by the major supplying blood vessel...
June 9, 2017: Journal of Neurointerventional Surgery
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