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ESTUDIOS


18 agosto 2011

STROKE. Technological Advances in the Management of Unruptured Intracranial Aneurysms Fail to Improve Outcome in New York State

Brad E. Zacharia, MD; Andrew F. Ducruet, MD; Zachary L. Hickman, MD; Bartosz T. Grobelny, MD; Neeraj Badjatia, MD; Stephan A. Mayer, MD; Mitchell F. Berman, MD; Robert A. Solomon, MD; E. Sander Connolly Jr, MD

Background and Purpose—Unruptured intracranial aneurysms (UIAs) are being identified more frequently and endovascular coil embolization has become an increasingly popular treatment modality. Stroke. 2011; 42: 2844-2849 Published online before print August 18, 2011, doi: 10.1161/​STROKEAHA.111.619767. Copyright © 2011 American Heart Association, Inc. All rights reserved.

01 octubre 2012

NEUROSURGERY. Safety and Efficacy of Endovascular Treatment of Basilar Tip Aneurysms by Coiling With and Without Stent Assistance: A Review of 235 Cases

Chalouhi, Nohra MD; Jabbour, Pascal MD; Gonzalez, L. Fernando MD; Dumont, Aaron S. MD; Rosenwasser, Robert MD; Starke, Robert M. MD; Gordon, David MD; Hann, Shannon MD; Tjoumakaris, Stavropoula MD

BACKGROUND: Endovascular therapy is now the preferred treatment option for basilar tip aneurysms (BTAs). OBJECTIVE: To compare the safety and efficacy of common endovascular techniques in the treatment of BTAs. Neurosurgery: October 2012 - Volume 71 - Issue 4 - p 785–794 doi: 10.1227/NEU.0b013e318265a416 Copyright © by the Congress of Neurological Surgeons

01 octubre 2012

AMERICAN JOURNAL OF NEURORADIOLOGY. The Effect of Intracranial Stent Implantation on the Curvature of the Cerebrovasculature

R.M. King, J.-Y. Chueh, I.M.J. van der Bom, C.F. Silva, S.L. Carniato, G. Spilberg, A.K. Wakhloo and M.J. Gounis

BACKGROUND AND PURPOSE: Recently, the use of stents to assist in the coiling and repair of wide-neck aneurysms has been shown to be highly effective; however, the effect of these stents on the RC of the parent vessel has not been quantified. The purpose of this study was to quantify the effect of intracranial stenting on the RC of the implanted artery using 3D datasets. Published online before print April 26, 2012, doi: 10.3174/ajnr.A3062 AJNR 2012 33: 1657-1662 . Copyright © 2012 by American Journal of Neuroradiology

01 septiembre 2012

NEURORADIOLOGY. Preoperative liquid embolization of cerebeller hemangioblastomas using N-butyl cyanoacrylate

Yasuo Murai, Shushi Kominami, Yoichi Yoshida, Takayuki Mizunari, Koji Adachi, Kenta Koketsu, Shiro Kobayashi and Akira Teramoto

Introduction: We aim to present and discuss clinical outcomes of preoperative liquid embolization of hemangioblastomas (HB) using N-butyl cyanoacrylate (NBCA). NeuroradiologyA Journal Devoted to Neuroimaging and Interventional Neuroradiology. Copyright © Springer-Verlag 201110.1007/s00234-011-0985-5.

01 septiembre 2012

NEURORADIOLOGY. Retrieving microcatheters from Onyx casts in a series of brain arteriovenous malformations: a technical report

A. Alamri, A. Hyodo , K. Suzuki, Y. Tanaka, T. Uchida, I. Takano, K. Kowata, K. Iwatate and R. Suzuki

Introduction To date, the "monorail snare technique" for the retrieval of entombed microcatheter tips during OnyxTM (ev3, Irvine, CA) embolisation of brain arteriovenous malformations (BAVM) has not been described. We report our experiences and some technical aspects in using this technique for the retrieval of entombed MarathonTM microcatheter (ev3, Plymouth, MN) tips during Onyx embolisation of BAVM treatment. NeuroradiologyA Journal Devoted to Neuroimaging and Interventional Neuroradiology. Copyright © Springer-Verlag 201110.1007/s00234-011-0971-y

01 noviembre 2012

STROKE. Time is Brain(stem) in Basilar Artery Occlusion

Mervyn D. I. Vergouwen, MD, PhD; Ale Algra, MD, PhD; Thomas Pfefferkorn, MD; Christian Weimar, MD; Christina M. Rueckert, MD; Vincent Thijs, MD; L. Jaap Kappelle, MD, PhD; Wouter J. Schonewille, MD; on behalf of the Basilar Artery International Cooperation Study (BASICS) Study Group

Background and Purpose—The frequent use of a longer time window for recanalization therapy in patients with basilar artery occlusion (BAO) in daily practice is not supported by any scientific evidence. We investigated the relationship between time to recanalization therapy and functional outcome in BAO with data from the Basilar Artery International Cooperation Study (BASICS). Stroke. 2012; 43: 3003-3006 Published online before print September 18, 2012, doi: 10.1161/​STROKEAHA.112.666867. Copyright © 2012 American Heart Association, Inc. All rights reserved. Print ISSN: 0039-2499. Online ISSN: 1524-4628

01 octubre 2012

CIRCULATION. Anticoagulation With the Oral Direct Thrombin Inhibitor Dabigatran Does Not Enlarge Hematoma Volume in Experimental Intracerebral Hemorrhage

Arne Lauer, BSc; Flor A. Cianchetti, BSc; Elizabeth M. Van Cott, MD; Frieder Schlunk, BSc; Elena Schulz, BSc; Waltraud Pfeilschifter, MD; Helmuth Steinmetz, MD; Chris B. Schaffer, PhD; Eng H. Lo, PhD; Christian Foerch, MD

Background—The direct thrombin inhibitor dabigatran etexilate (DE) may constitute a future replacement of vitamin K antagonists for long-term anticoagulation. Whereas warfarin pretreatment is associated with greater hematoma expansion after intracerebral hemorrhage (ICH), it remains unclear what effect direct thrombin inhibitors would have. Using different experimental models of ICH, this study compared hematoma volume among DE-treated mice, warfarin-treated mice, and controls. Circulation. 2011; 124: 1654-1662 Published online before print September 12, 2011, doi: 10.1161/​CIRCULATIONAHA.111.035972. Copyright © 2011 American Heart Association, Inc. All rights reserved. Print ISSN: 0009-7322. Online ISSN: 1524-4539

01 octubre 2012

CVIR. Endovascular Acute Stroke Treatment Performed by Vascular Interventional Radiologists: Is It Safe and Efficacious?

Lars Fjetland, Sumit Roy, Kathinka D. Kurz, Jan Petter Larsen, Martin W. Kurz

Purpose: To evaluate the safety and efficacy of neurointerventional procedures in acute stroke patients performed by a team of vascular interventional radiologists in close cooperation with diagnostic neuroradiologists and stroke neurologists and to compare the results with those of previous reports from centres with specialised interventional neuroradiologists. CardioVascular and Interventional Radiology October 2012, Volume 35, Issue 5, pp 1029-1035. Copyright © Springer Science+Business Media, LLC and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2012

01 diciembre 2012

CVIR. Percutaneous Extraction of Cement Leakage After Vertebroplasty Under CT and Fluoroscopy Guidance: A New Technique

Nicolas Amoretti, Laurent Huwart

Purpose: We report a new minimally invasive technique of extraction of cement leakage following percutaneous vertebroplasty in adults. CardioVascular and Interventional Radiology December 2012, Volume 35, Issue 6, pp 1492-1495. Copyright © Springer Science+Business Media, LLC and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2012

01 noviembre 2011

CIRCULATION. Statins and Intracerebral Hemorrhage. Collaborative Systematic Review and Meta-Analysis

Daniel G. Hackam, MD, PhD; Mark Woodward, PhD; L. Kristin Newby, MD, MHS; Deepak L. Bhatt, MD, MPH; Mingyuan Shao, MS; Eric E. Smith, MD, MPH; Allan Donner, PhD; Muhammad Mamdani, PharmD, MA, MPH; James D. Douketis, MD; Hisatomi Arima, MD, PhD; John Chalmers, MD, PhD; Stephen MacMahon, DSc, PhD; David L. Tirschwell, MD, MSc; Bruce M. Psaty, MD, PhD; Cheryl D. Bushnell, MD, MHS; Maria I. Aguilar, MD; Dan J. Capampangan, MD; David J. Werring, MBBS, BSc, PhD; Paola De Rango, MD, PhD; Anand Viswanathan, MD, PhD; Nicolas Danchin, MD, PhD; Ching-Lan Cheng, PhD; Yea-Huei Kao Yang, BSPharm; B. Marianne Verdel, PharmD, PhD; Mei-Shu Lai, MD, PhD; James Kennedy, MBChB, MSc; Shinichiro Uchiyama, MD, PhD; Takenori Yamaguchi, MD, PhD; Yasuo Ikeda, MD, PhD; Marko Mrkobrada, MD

Background—A recent large, randomized trial suggested that statins may increase the risk of intracerebral hemorrhage. Accordingly, we systematically reviewed the association of statins with intracerebral hemorrhage in randomized and observational data. Circulation. 2011; 124: 2233-2242 Published online before print October 17, 2011, doi: 10.1161/​CIRCULATIONAHA.111.055269. Copyright © 2011 American Heart Association, Inc. All rights reserved. Print ISSN: 0009-7322. Online ISSN: 1524-4539

01 diciembre 2012

CVIR. Endovascular Mechanical Recanalisation After Intravenous Thrombolysis in Acute Anterior Circulation Stroke: The Impact of a New Temporary Stent

Gunther Fesl, Maximilian Patzig, Markus Holtmannspoetter, Thomas E. Mayer, Thomas Pfefferkorn, Christian Opherk, Hartmut Brueckmann, Martin Wiesmann

Purpose: Treatment of acute stroke by endovascular mechanical recanalisation (EMR) has shown promising results and continues to be further refined. We evaluated the impact of a temporary stent compared with our results using other mechanical devices. CardioVascular and Interventional Radiology December 2012, Volume 35, Issue 6, pp 1326-1331. Copyright © Springer Science+Business Media, LLC and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2011

01 noviembre 2012

JVIR. Does Age of Fracture Affect the Outcome of Vertebroplasty? Results from Data from a Prospective Multicenter FDA IDE Study

Mubin I. Syed, MD , Azim Shaikh, MD, MBA , Cortoss Study Group

Purpose: To evaluate whether the age of a fracture is a variable that can identify patients for whom vertebroplasty would be most beneficial. Journal of Vascular and Interventional Radiology Volume 23, Issue 11 , Pages 1416-1422, November 2012. Copyright © 2012 SIR. Published by Elsevier Inc. All rights reserved.

01 diciembre 2012

CVIR. Procedural Predictors of Outcome in Patients Undergoing Endovascular Therapy for Acute Ischemic Stroke

Ansaar T. Rai, Yahodeep Jhadhav, Jennifer Domico, Gerald R. Hobbs

Purpose: To identify factors impacting outcome in patients undergoing interventions for acute ischemic stroke (AIS). CardioVascular and Interventional Radiology December 2012, Volume 35, Issue 6, pp 1332-1339. Copyright © Springer Science+Business Media, LLC and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2011

01 noviembre 2011

JACC CARDIOVASCULAR INTERVENTIONS. Carotid Revascularization Immediately Before Urgent Cardiac Surgery

Creighton W. Don, MD, PhD; John House, MS; Christopher White, MD; Thomas Kiernan, MD; Mary Weideman, MS; Nicholas Ruggiero, MD; Andrew McCann, MD; Kenneth Rosenfield, MD

Practice Patterns Associated With the Choice of Carotid Artery Stenting or Endarterectomy: A Report From the CARE (Carotid Artery Revascularization and Endarterectomy) Registry J Am Coll Cardiol Intv. 2011;4(11):1200-1208. doi:10.1016/j.jcin.2011.09.010. Copyright © 2011 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

01 octubre 2012

CVIR. Posttraumatic Basilar Artery Herniation Associated with Dissecting Aneurysm Formation: Follow-up Over 20 Months

Jingqin Fang, Lianqin Kuang, Jinhua Chen, Yi Wang, Rong Chen, Kunlin Xiong, Weiguo Zhang

Introduction The fracture in the clivus of occipital bone, which might be longitudinal, transverse, or oblique, accounts for 0.36–0.57% of traumatic brain injuries found by computed tomography (CT) [1, 2]. Among these, the longitudinal clivus fracture has the highest mortality rate as a result of the direct injury of brain stem and vertebrobasilar artery [1–3]. Longitudinal clival fracture with the incarceration of vertebrobasilar artery at the fracture site is unusual. Only 15 cases had been reported previously [3, 4–15], and 10 patients died [3, 4, 6–11]. CardioVascular and Interventional Radiology October 2012, Volume 35, Issue 5, pp 1237-1241. Copyright © Springer Science+Business Media, LLC and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2012

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