Research Topics
| Raul G NogueiraSummaryAffiliation: Emory University Country: USA Publications
| Collaborators
|
Detail Information
Publications
The Trevo device: preclinical data of a novel stroke thrombectomy device in two different animal models of arterial thrombo-occlusive diseaseRaul G Nogueira
Department of Neurology, Grady Memorial Hospital, Emory University School of Medicine, Atlanta, Georgia, USA
J Neurointerv Surg 4:295-300. 2012..The currently available mechanical devices fail to achieve recanalization in as many as 20-40% of proximal arterial occlusion strokes...
Merci mechanical thrombectomy retriever for acute ischemic stroke therapy: literature reviewAmer Alshekhlee
Souers Stroke Institute, St Louis University, St Louis, MO, USA
Neurology 79:S126-34. 2012..This review focuses on the clinical and angiographic outcomes of mechanical thrombectomy with use of the Merci retriever device...- Periprocedural blood pressure management in neurointerventional surgeryThabele M Leslie-Mazwi
Department of Neurologic Critical Care, Massachusetts General Hospital, Boston, Massachusetts, USA
J Neurointerv Surg 3:66-73. 2011..Also included are parameters for conditions typically encountered in the neurointerventional suite based on best available evidence, with reference to blood pressure management before, during and after neurointerventional therapy... - Effect of time to reperfusion on clinical outcome of anterior circulation strokes treated with thrombectomy: pooled analysis of the MERCI and Multi MERCI trialsRaul G Nogueira
Department of Neurology, Neurosurgery, and Radiology, Emory University School of Medicine, Marcus Stroke and Neuroscience Center, Grady Memorial Hospital, Atlanta, GA, USA
Stroke 42:3144-9. 2011..We sought to establish how time influences outcomes in anterior circulation proximal arterial occlusions... - Restricted diffusion in spinal cord infarction demonstrated by magnetic resonance line scan diffusion imagingRaul G Nogueira
Department of Neuroradiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
Stroke 43:532-5. 2012..We report on the use of line scan diffusion magnetic resonance imaging in the evaluation of spinal cord infarctions... 
Predictors of functional outcome vary by the hemisphere of involvement in major ischemic stroke treated with intra-arterial therapy: a retrospective cohort studyAlbert J Yoo
Neuroradiology Division, Department of Radiology, Massachusetts General Hospital, Boston, Harvard Medical School, Boston, MA 02114, USA
BMC Neurol 10:25. 2010..The purpose of this study was to characterize the impact of stroke lateralization on both functional outcome and its predictors in a well-defined population of anterior circulation proximal artery occlusions treated with IAT...- Infarct volume is a pivotal biomarker after intra-arterial stroke therapyAlbert J Yoo
Departments of Radiology, Massachusetts General Hospital, Boston, MA, USA
Stroke 43:1323-30. 2012.... - Intra-arterial thrombolysis or stent placement during endovascular treatment for acute ischemic stroke leads to the highest recanalization rate: results of a multicenter retrospective studyRishi Gupta
Emory University School of Medicine, Marcus Stroke and Neuroscience Center, Grady Memorial Hospital, Atlanta, Georgia 30303, USA
Neurosurgery 68:1618-22; discussion 1622-3. 2011..Reperfusion therapy for acute ischemic stroke (AIS) is rapidly evolving, with the development of multiple endovascular modalities that can be used alone or in combination... - Onyx embolization for the treatment of spinal dural arteriovenous fistulae: initial experience with long-term follow-up. Technical case reportRaul G Nogueira
Division of Interventional Neuroradiology and Endovascular Neurosurgery, Massachusetts General Hospital, Boston, MA 02114, USA
Neurosurgery 64:E197-8; discussion E198. 2009..We report our initial experience with Onyx embolization in the treatment of SDAVFs... - Trevo versus Merci retrievers for thrombectomy revascularisation of large vessel occlusions in acute ischaemic stroke (TREVO 2): a randomised trialRaul G Nogueira
Department of Neurology, Grady Memorial Hospital, Emory University School of Medicine, Atlanta, GA 30303, USA
Lancet 380:1231-40. 2012..We compared efficacy and safety of the Trevo Retriever, a new stent-like device, with its US Food and Drug Administration-cleared predecessor, the Merci Retriever... - Predictors of good clinical outcomes, mortality, and successful revascularization in patients with acute ischemic stroke undergoing thrombectomy: pooled analysis of the Mechanical Embolus Removal in Cerebral Ischemia (MERCI) and Multi MERCI TrialsRaul G Nogueira
Department of Neurology, Massachusetts General Hospital, Boston, MA 02114, USA
Stroke 40:3777-83. 2009..We sought to determine the predictors of clinical and angiographic outcomes in these patients... - Microsurgical retrieval of an endovascular microcatheter trapped during Onyx embolization of a cerebral arteriovenous malformationBrian P Walcott
Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
J Neurointerv Surg 3:77-9. 2011..We report on a patient for whom surgery was combined with endovascular embolization to obliterate an AVM and retrieve an entrapped endovascular microcatheter... - The pattern of leptomeningeal collaterals on CT angiography is a strong predictor of long-term functional outcome in stroke patients with large vessel intracranial occlusionFabricio O Lima
Stroke Service, Department of Neurology, Massachusetts General Hospital, Boston, Mass 02114, USA
Stroke 41:2316-22. 2010..The role of noninvasive methods in the evaluation of collateral circulation has yet to be defined. We hypothesized that a favorable pattern of leptomeningeal collaterals, as identified by CT angiography, correlates with improved outcomes... - CT angiography source images acquired with a fast-acquisition protocol overestimate infarct core on diffusion weighted images in acute ischemic strokeAlbert J Yoo
Division of Neuroradiology, Massachusetts General Hospital, Harvard Medical School, Boston 02114, USA
J Neuroimaging 22:329-35. 2012..We sought to test this relationship using our current CTA protocol optimized for faster scan acquisition... - Conscious sedation versus general anesthesia during endovascular therapy for acute anterior circulation stroke: preliminary results from a retrospective, multicenter studyAlex Abou-Chebl
Department of Neurology, Vanderbilt Stroke Center, A 0118 Medical Center North, Nashville, TN 37232 2551, USA
Stroke 41:1175-9. 2010..We sought to determine whether there were differences in safety and outcomes in GA patients before initiation of IAT... - Low-pressure balloon angioplasty with adjuvant pharmacological therapy in patients with acute ischemic stroke caused by intracranial arterial occlusionsRaul G Nogueira
Department of Radiology, Endovascular Neurosurgery Interventional Neuroradiology Section, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
Neuroradiology 50:331-40. 2008..We report our experience using more compliant elastomer balloons for thrombus resistant to intraarterial (IA) pharmacological and mechanical thrombolysis in acute stroke... - Reversible parkinsonism after treatment of dural arteriovenous fistulaRaul G Nogueira
Neurocritical Care and Vascular Neurology Section, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
J Neuroimaging 19:183-4. 2009..We now report a case of parkinsonian syndrome reversed by treatment of a dural arteriovenous malformation... - CT angiography-source image hypoattenuation predicts clinical outcome in posterior circulation strokes treated with intra-arterial therapyPamela W Schaefer
Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
Stroke 39:3107-9. 2008..The aim of this study was to correlate CT angiography-source image (CTA-SI) parenchymal hypoattenuation with clinical outcome in patients with vertebrobasilar occlusion treated with intra-arterial thrombolysis... - Imaging-based endovascular therapy for acute ischemic stroke due to proximal intracranial anterior circulation occlusion treated beyond 8 hours from time last seen well: retrospective multicenter analysis of 237 consecutive patientsTudor G Jovin
Stroke Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
Stroke 42:2206-11. 2011..We sought to assess safety, procedural, and clinical outcomes of MRI or CT perfusion imaging-based endovascular therapy in patients with anterior circulation stroke treated beyond 8 hours from time last seen well... - Empty microcatheter technique for the deployment of a self-expanding stent to treat refractory middle cerebral artery occlusion in the setting of severe proximal tortuosityGuilherme Dabus
Department of Interventional Neuroradiology and Endovascular Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
J Neuroimaging 19:164-8. 2009..The artery was so tortuous that over-the-wire stent placement failed and a salvage technique was required to place the self-expanding stent... - Safety and efficacy of endovascular thrombectomy in patients with abnormal hemostasis: pooled analysis of the MERCI and multi MERCI trialsRaul G Nogueira
Departments of Vascular and Critical Care Neurology and Interventional Neuroradiology and Endovascular Neurosurgery, Massachusetts General Hospital, Boston, MA 02114, USA
Stroke 40:516-22. 2009..Patients with abnormal hemostasis are not considered candidates for thrombolysis. We analyzed the MERCI/Multi MERCI cohort as an attempt to establish the risks and benefits of thrombectomy in this patient population... - Evaluation of dual-energy CT for differentiating intracerebral hemorrhage from iodinated contrast material stainingRajiv Gupta
Department of Radiology, Massachusetts General Hospital, Neuroradiology GRB 273A, Boston, MA 02114, USA
Radiology 257:205-11. 2010..To evaluate the efficacy of dual-energy computed tomography (CT) in the differentiation of intracerebral hemorrhage (ICH) from iodinated contrast material in patients who received contrast material via intraarterial or intravenous delivery... - A systematic review of stenting and angioplasty of symptomatic extracranial vertebral artery stenosisAaron N Stayman
Departments of Neurolog, Vanderbilt University School of Medicine, Nashville, TN, USA
Stroke 42:2212-6. 2011..We sought to determine the risk of endovascular treatment for ECVAS with a systematic review of the literature... - High-dose bosentan in the prevention and treatment of subarachnoid hemorrhage-induced cerebral vasospasm: an open-label feasibility studyRaul G Nogueira
Neurocritical Care and Vascular Neurology, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
Neurocrit Care 7:194-202. 2007..To evaluate the safety of high-dosages of the endothelin ET(A/B )receptor antagonist bosentan in SAH patients at high-vasospasm risk... - Acute stroke: techniques and results with the Merci retrieverAli Reza Noorian
Department of Neurology, Emory University School of Medicine, Atlanta, GA, USA
Tech Vasc Interv Radiol 15:47-52. 2012..In this article, we review the indications for acute stroke endovascular treatment with the Merci retriever as well as the involved techniques and the results of research studies... - Factor XIII deficiency related recurrent spontaneous intracerebral hemorrhage: a case and literature reviewDavid L Perez
Department of Neurology, Massachusetts General Hospital, Boston, MA 02114, USA
Clin Neurol Neurosurg 113:142-5. 2011..Early diagnosis and initiation of factor replacement therapy offer the best strategies to reduce the morbidities associated with this disease... - Avoiding "pseudo-reversibility" of CT-CBV infarct core lesions in acute stroke patients after thrombolytic therapy: the need for algorithmically "delay-corrected" CT perfusion map postprocessing softwarePamela W Schaefer
Department of Radiology, Division of Neuroradiology, Gray 273A, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA
Stroke 40:2875-8. 2009..We sought to determine: (1) the prevalence of CT-CBV "reversibility" in AIS patients treated with thrombolytic therapy, and (2) whether the presumed tissue salvage of these CT-CBV lesions depends on the CTP software... - Balloon angioplasty for intracranial atherosclerotic disease: periprocedural risks and short-term outcomes in a multicenter studyThanh N Nguyen
Boston University School of Medicine, Boston, MA, USA
Stroke 42:107-11. 2011..The goal of this study is to report the immediate and 3-month outcomes of treating patients with intracranial atherosclerotic disease with angioplasty balloon catheters in a multicenter study... - Lateral sacral artery aneurysm of the lumbar spine: hemorrhage resulting in cauda equina syndromeRaul G Nogueira
Division of Interventional Neuroradiology and Endovascular Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, USA
J Neurointerv Surg 2:399-401. 2010..To describe the effective treatment of a ruptured lateral sacral artery aneurysm presenting as a spinal epidural hematoma... - Should clot composition affect choice of endovascular therapy?Brijesh P Mehta
Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
Neurology 79:S63-7. 2012..The objective of this article is to provide a review of clinical and experimental animal studies on the histology, imaging correlation, and ultrastructure of thromboemboli retrieved during acute ischemic stroke... - Novel use of prasugrel for intracranial stent thrombosisThabele M Leslie-Mazwi
Department of Interventional Neuroradiology Endovascular Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts, USA
J Neurointerv Surg 3:358-60. 2011....