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ABSTRACT


12 julio 2012

AMERICAN JOURNAL OF NEURORADIOLOGY. Efficacy and Safety of Flow Diversion for Paraclinoid Aneurysms: A Matched-Pair Analysis Compared with Standard Endovascular Approaches

G. Lanzino, E. Crobeddu, H.J. Cloft, R. Hanel and D.F. Kallmes

BACKGROUND AND PURPOSE: Flow diversion is a new strategy for the treatment of complex paraclinoid aneurysms. However, flow diverters have, to date, not been tested in direct comparison with other available treatments. We present a matched-pair comparison of paraclinoid aneurysms treated with the PED versus other endovascular techniques.

01 enero 2013

NEURORADIOLOGY. Stents and flow diverters in the treatment of aneurysms: device deformation in vivo may alter porosity and impact efficacy

Fabrice Bing, Tim E. Darsaut, Igor Salazkin, Alina Makoyeva, Guylaine Gevry, Jean Raymond

Introduction: High-porosity (HP) and flow-diverting (FD) stents are increasingly used to treat intracranial aneurysms. In vivo device deformations and their impact on the porosity of the segment of device lying over the aneurysm neck remain inadequately characterized.

17 mayo 2012

AMERICAN JOURNAL OF NEURORADIOLOGY. Effect of Cilostazol in Preventing Restenosis after Carotid Artery Stenting Using the Carotid Wallstent: A Multicenter Retrospective Study

K. Takayama, T. Taoka, H. Nakagawa, K. Myouchin, T. Wada, M. Sakamoto, K. Furuichi, S. Iwasaki, S. Kurokawa and K. Kichikawa

BACKGROUND AND PURPOSE: Restenosis after CAS is a postoperative problem, with a reported frequency of approximately 2%–8%. However differences in stent design, procedure, and the antiplatelet agent appear to affect the incidence of restenosis. We assessed the frequency of restenosis and the effect of the antiplatelet agent CLZ in preventing restenosis after CAS by the standard procedure using the CWS.

06 diciembre 2012

STROKE. Is Intra-Arterial Thrombolysis Beneficial for M2 Occlusions? Subgroup Analysis of the PROACT-II Trial

Ralph Rahme, MD; Todd A. Abruzzo, MD; Renee’ Hebert Martin, PhD; Thomas A. Tomsick, MD; Andrew J. Ringer, MD; Anthony J. Furlan, MD; Janice A. Carrozzella, RN; Pooja Khatri, MD, MSc

Background and Purpose—The role of endovascular therapy for acute M2 trunk occlusions is debatable. Through a subgroup analysis of Prolyse in Acute Cerebral Thromboembolism-II, we compared outcomes of M2 occlusions in treatment and control arms.

18 octubre 2012

STROKE. A Randomized Controlled Trial of Prophylactic Intra-aortic Balloon Counterpulsation in High-Risk Aneurysmal Subarachnoid Hemorrhage

Diederik Olivier Bulters, FRCS(SN); Anthony A. Birch, PhD; Edward Hickey, FRCS(C); Ian Tatlow; Karen Sumner, BNS(Hons); Robert Lamb, FRCS; Dorothy Lang, FRCS

Background and Purpose—To assess whether prophylactic postoperative intraaortic balloon counterpulsation (IABC) reduces the risk of poor outcome because of vasospasm following aneurysmal subarachnoid haemorrhage relative to conventional hypervolemic therapy (HT).

01 enero 2013

NEURORADIOLOGY. Is general anaesthesia preferable to conscious sedation in the treatment of acute ischaemic stroke with intra-arterial mechanical thrombectomy? A review of the literature

N. John, P. Mitchell, R. Dowling, B. Yan

Introduction: Intra-arterial mechanical thrombectomy (IAMT) is an endovascular technique that allows for the acute retrieval of intravascular thrombi and is increasingly being used for the treatment of acute ischaemic stroke (AIS). There are currently two anaesthetic options during IAMT: general anaesthesia (GA) and conscious sedation (CS). The decision to use GA versus CS is the source of controversy, as it requires careful balance between patient pain, movement and airway protection whilst minimising time delay and haemodynamic fluctuations. This review examines and summarises the evidence for the use of GA versus CS in the treatment of AIS by IAMT.

01 enero 2013

NEUROSURGERY. Transfemoral Transarterial Onyx Embolization of Carotid Body Paragangliomas: Technical Considerations, Results, and Strategies for Complication Avoidance

Kalani, M. Yashar S. MD, PhD; Ducruet, Andrew F. MD; Crowley, R. Webster MD; Spetzler, Robert F. MD; McDougall, Cameron G. MD; Albuquerque, Felipe C. MD

BACKGROUND: The association of carotid body paragangliomas with neurovascular structures can cause cranial nerve injury and significant intraoperative blood loss. Preoperative embolization may be performed either percutaneously or transarterially.

01 enero 2013

NEUROSURGERY. Double Arterial Catheterization Technique for Embolization of Brain Arteriovenous Malformations With Onyx

Renieri, Leonardo MD; Consoli, Arturo MD; Scarpini, Giulia MD; Grazzini, Giulia MD; Nappini, Sergio MD; Mangiafico, Salvatore MD

BACKGROUND: Arteriovenous malformation (AVM) treatment is multidisciplinary, and the patient may undergo embolization, neurosurgery, or radiosurgery combined. Great improvement in endovascular techniques was provided by the introduction of Onyx with different kinds of approach.

01 enero 2013

NEUROSURGERY. Transvenous Coil Embolization of an Intraorbital Arteriovenous Fistula: Case Report and Review of the Literature

Williamson, Richard W. MD; Ducruet, Andrew F. MD; Crowley, R. Webster MD; McDougall, Cameron G. MD; Albuquerque, Felipe C. MD

BACKGROUND AND IMPORTANCE: Purely intraorbital arteriovenous fistulas (AVFs), which are rare vascular malformations that clinically mimic carotid-cavernous fistulas (CCFs), involve a fistula from the ophthalmic artery to 1 of the draining ophthalmic veins. We describe a case of an intraorbital AVF treated with transvenous endovascular coil embolization via the inferior petrosal sinus (IPS) route and review the literature on this rare entity.

01 enero 2012

NEUROSURGERY. Long-term Tumor Control of Benign Intracranial Meningiomas After Radiosurgery in a Series of 4565 Patients

Santacroce, Antonio MD; Walier, Maja Dipl Math; Régis, Jean MD, PhD; Liščák, Roman MD, PhD; Motti, Enrico MD; Lindquist, Christer MD, PhD; Kemeny, Andras MD; Kitz, Klaus MD; Lippitz, Bodo MD; Álvarez, Roberto Martínez MD, PhD; Pedersen, Paal-Henning MD, PhD; Yomo, Shoji MD; Lupidi, Francesco MD; Dominikus, Karlheinz PhD; Blackburn, Philip MD; Mindermann, Thomas MD; Bundschuh, Otto MD; van Eck, A.T.C.J. MD; Fimmers, Rolf PhD; Horstmann, Gerhard A. MD

BACKGROUND: Radiosurgery is the main alternative to microsurgical resection for benign meningiomas.

01 enero 2012

NEUROSURGERY. The Modified Bose Method for the Endovascular Treatment of Intracranial Atherosclerotic Arterial Stenoses Using the Enterprise Stent

Vajda, Zsolt MD, PhD; Schmid, Elisabeth MD; Güthe, Thomas MD; Klötzsch, Christoph MD; Lindner, Alfred MD; Niehaus, Ludwig M; Sperber, Wolfgang MD; Peters, Jan MD; Arnold, Guy MD; Bäzner, Hansjörg MD; Henkes, Hans MD

BACKGROUND: Balloon dilatation and deployment of a self-expanding stent is a safe treatment for intracranial atherosclerotic stenoses. The significant recurrence rate might be related to the high radial force of the Wingspan stent.

01 enero 2012

NEUROSURGERY. Multicenter Analysis of Stenting in Symptomatic Intracranial Atherosclerosis

Jiang, Wei-Jian MD; Cheng-Ching, Esteban MD; Abou-Chebl, Alex MD; Zaidat, Osama O. MD, M; Jovin, Tudor G. MD; Kalia, Junaid MD; Hussain, Muhammad Shazam MD; Lin, Ridwan MD; Malik, Amer M. MD; Hui, Ferdinand MD; Gupta, Rishi MD‡,

BACKGROUND: Stenting for symptomatic intracranial atherosclerotic disease is a therapeutic option in patients in whom medical therapy fails.

01 enero 2012

NEUROSURGERY. Repeat Radiosurgery for Intracranial Arteriovenous Malformations

Stahl, John M. BA; Chi, Yueh-Yun PhD; Friedman, William A. MD

BACKGROUND: Despite a high success rate in the stereotactic radiosurgical treatment of intracranial arteriovenous malformations (AVMs) that cannot be safely resected with microsurgery, some patients must be managed after treatment failure.

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