Research Topics
| R G NogueiraSummaryAffiliation: Massachusetts General Hospital Country: USA Publications
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Detail Information
Publications
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...
Intra-arterial nicardipine infusion improves CT perfusion-measured cerebral blood flow in patients with subarachnoid hemorrhage-induced vasospasmR G Nogueira
Department of Interventional Neuroradiology and Endovascular Neurosurgery, Massachusetts General Hospital, 55 Fruit St, GRB 2 241, Boston, MA 02114, USA
AJNR Am J Neuroradiol 30:160-4. 2009....- 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... - 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... - Endovascular approaches to acute stroke, part 2: a comprehensive review of studies and trialsR G Nogueira
Endovascular Neurosurgery Interventional Neuroradiology Section, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
AJNR Am J Neuroradiol 30:859-75. 2009..The objective of this article is to provide a comprehensive review of the relevant past, current, and upcoming data on endovascular stroke therapy with a special focus on the prospective studies and randomized clinical trials... - 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... 
Bilateral tonic-clonic seizures with temporal onset and preservation of consciousnessR G Nogueira
Massachusetts General Hospital, Department of Neurology, 55 Fruit Street, Blake 12 Neuro-ICU, Boston, MA 02114, USA
Neurology 70:2188-90. 2008- 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... - 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... - Preliminary experience with onyx embolization for the treatment of intracranial dural arteriovenous fistulasR G Nogueira
Division of Interventional Neuroradiology and Endovascular Neurosurgery, Massachusetts General Hospital, Boston, Mass, USA
AJNR Am J Neuroradiol 29:91-7. 2008..We now report on the treatment of intracranial DAVFs using this nonadhesive liquid embolic agent... - 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... - The neurology of varicella-zoster virus: a historical perspectiveRaul G Nogueira
Department of Neurology, Massachusetts General Hospital, Blake 1291, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, USA
Arch Neurol 61:1974-7. 2004 - Endovascular approaches to acute stroke, part 1: Drugs, devices, and dataR G Nogueira
Endovascular Neurosurgery Interventional Neuroradiology Section, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass 02114, USA
AJNR Am J Neuroradiol 30:649-61. 2009..These range from wire disruption of thrombus to preclinical trials for novel mechanical solutions. This first installment of this 2-part series will end with an analysis of retrograde reperfusion techniques... - Case volumes of intra-arterial and intravenous treatment of ischemic stroke in the USAJ A Hirsch
Department of Neuroradiology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
J Neurointerv Surg 1:27-31. 2009..We seek to identify the numbers of patients with stroke treated with intravenous and intra-arterial therapies, as well as to estimate the potential number of intra-arterial cases in the foreseeable future... - 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... - 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 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... - Spontaneous hyperacute postischemic hemorrhage leading to deathEric E Smith
Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
J Neuroimaging 14:361-4. 2004..In patients with ischemic stroke, MRI findings such as hyperacute petechial hemorrhage or chronic cerebral microbleeds might predict subsequent parenchymal hemorrhage and thus have implications for tissue plasminogen activator use... - Revascularization grading in endovascular acute ischemic stroke therapyO O Zaidat
Department of Neurology, Medical College of Wisconsin Froedtert Hospital, Milwaukee, WI, USA
Neurology 79:S110-6. 2012..It is anticipated that clinical efficacy will be well correlated with revascularization of viable tissue in a timely manner... - Malignant CTA collateral profile is highly specific for large admission DWI infarct core and poor outcome in acute strokeL C S Souza
Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114 9567, USA
AJNR Am J Neuroradiol 33:1331-6. 2012.... - 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... - Differentiation of hemorrhage from iodinated contrast in different intracranial compartments using dual-energy head CTC M Phan
Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
AJNR Am J Neuroradiol 33:1088-94. 2012..This study evaluates the accuracy of DECT in distinguishing ICH from iodinated contrast in patients who received contrast via IA or IV delivery... - 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... - Relationship between hyperglycemia and symptomatic vasospasm after subarachnoid hemorrhageNeeraj Badjatia
Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
Crit Care Med 33:1603-9; quiz 1623. 2005..9% vs. 18.8%; p < .001). CONCLUSIONS: Mean inpatient blood glucose value is associated with the development of VSP and may represent a target for therapy to prevent VSP and improve clinical outcomes... - 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... - Gadolinium-enhanced CT angiography of the circle of Willis and neckJohn W Henson
Division of Neuroradiology, Massachusetts General Hospital, and Harvard Medical School, Boston, MA 02114, USA
AJNR Am J Neuroradiol 25:969-72. 2004..We report the use of gadolinium as contrast agent for CTA of the head and neck in three patients with contraindications to iodinated contrast agents... - Safety of heparinization for cerebral aneurysm coiling soon after external ventriculostomy drain placementBrian L Hoh
Endovascular Neurosurgery/Interventional Neuroradiology and Cerebrovascular Surgery, Neurosurgical Service, Massachusetts General Hospital, Harvard Medical School, Boston 02114, Massachusetts, USA
Neurosurgery 57:845-9; discussion 845-9. 2005..3 seconds. CONCLUSION: Heparinization for cerebral aneurysm coiling can be safely performed even after EVD placement within 24 hours, particularly if the activated prothrombin time is kept strictly controlled... - Images in clinical medicine. Herpes zoster ophthalmicus followed by contralateral hemiparesisRaul G Nogueira
Brigham and Women's Hospital, Boston, MA 02115, USA
N Engl J Med 346:1127. 2002 - A randomized, double-blind, placebo-controlled pilot study of simvastatin in aneurysmal subarachnoid hemorrhageSherry H-Y Chou
Stroke 39:2891-3. 2008..CONCLUSIONS: Simvastatin for the prevention of delayed cerebral ischemia is safe and feasible after SAH. A larger study is needed to test its efficacy...