Olivier Naggara

Summary

Affiliation: Centre Hospitalier Sainte-Anne
Country: France

Publications

  1. ncbi request reprint [Diffusion-weighted MR imaging of the brain]
    O Naggara
    Unité de Recherche en Neuroradiologie Interventionnelle, Departement de Radiologie, Centre Hospitalier de l Universite de Montreal, Hopital Notre Dame, Montreal, Canada
    J Radiol 91:329-49; quiz 350-1. 2010
  2. ncbi request reprint [Subarachnoid hemorrhage in young patients]
    Olivier Naggara
    Service d imagerie morphologique et fonctionnelle, INSERM UMR S894, Hopital Sainte Anne, 75014 Paris, France
    Rev Prat 63:951-9. 2013
  3. doi request reprint Endovascular treatment of intracranial unruptured aneurysms: a systematic review of the literature on safety with emphasis on subgroup analyses
    Olivier N Naggara
    Department of Neuroradiology, Universite Paris Descartes, Sorbonne Paris Cité, INSERM U894, Centre Hospitalier Sainte Anne, 1 rue Cabanis, Paris 75014, France
    Radiology 263:828-35. 2012
  4. doi request reprint Stroke occurrence and patterns are not influenced by the degree of stenosis in cervical artery dissection
    Olivier Naggara
    Neuroradiology, Hopital Sainte Anne, 1 rue Cabanis, 75014 Paris, France
    Stroke 43:1150-2. 2012
  5. doi request reprint Added value of high-resolution MR imaging in the diagnosis of vertebral artery dissection
    O Naggara
    Department of Neuroradiology, Paris Descartes University, Centre Hospitalier Sainte Anne, 1 rue Cabanis, Paris, France
    AJNR Am J Neuroradiol 31:1707-12. 2010
  6. ncbi request reprint [Imaging of intracranial metastases in adults]
    O Naggara
    Département d Imagerie Morphologique et Fonctionnelle, Centre Hospitalier Sainte Anne, 1, rue Cabanis, 75674 Paris Cedex 14
    J Radiol 87:792-806. 2006
  7. ncbi request reprint Diffusion tensor imaging in early Alzheimer's disease
    Olivier Naggara
    University Paris Descartes, Faculty of Medecine, Department of Neuroradiology, Sainte Anne Hospital, 1 rue Cabanis, 75674 Paris, France
    Psychiatry Res 146:243-9. 2006
  8. ncbi request reprint [Inflammatory presentation of a cavernous dural fistula: diagnosis with color and pulse Doppler imaging]
    O Naggara
    Departement de Neuroradiologie, Centre Hospitalier Sainte Anne, Paris
    J Fr Ophtalmol 29:e1. 2006
  9. doi request reprint High-resolution MR imaging of periarterial edema associated with biological inflammation in spontaneous carotid dissection
    Olivier Naggara
    Department of Neuroradiology, Paris Descartes University, EA 4055, INSERM U894, Centre Hospitalier Sainte Anne, 1 rue Cabanis, Paris 75014, France
    Eur Radiol 19:2255-60. 2009
  10. ncbi request reprint Suprasellar paraganglioma: a case report and review of the literature
    O Naggara
    Department of Neuroradiology, Centre Hospitalier Sainte Anne, 1 rue Cabanis, 75013 Paris, France
    Neuroradiology 47:753-7. 2005

Detail Information

Publications43

  1. ncbi request reprint [Diffusion-weighted MR imaging of the brain]
    O Naggara
    Unité de Recherche en Neuroradiologie Interventionnelle, Departement de Radiologie, Centre Hospitalier de l Universite de Montreal, Hopital Notre Dame, Montreal, Canada
    J Radiol 91:329-49; quiz 350-1. 2010
    ..Quantitative diffusion-weighted imaging provides additional information in the characterization of tumors or inflammatory, degenerative and metabolic lesions. Finally, diffusion-weighted imaging data also has prognostic value...
  2. ncbi request reprint [Subarachnoid hemorrhage in young patients]
    Olivier Naggara
    Service d imagerie morphologique et fonctionnelle, INSERM UMR S894, Hopital Sainte Anne, 75014 Paris, France
    Rev Prat 63:951-9. 2013
    ..Treatment of cerebral vasospasm associates maintenance of cerebral perfusion and more invasive techniques such as chemical or mechanical angioplasty...
  3. doi request reprint Endovascular treatment of intracranial unruptured aneurysms: a systematic review of the literature on safety with emphasis on subgroup analyses
    Olivier N Naggara
    Department of Neuroradiology, Universite Paris Descartes, Sorbonne Paris Cité, INSERM U894, Centre Hospitalier Sainte Anne, 1 rue Cabanis, Paris 75014, France
    Radiology 263:828-35. 2012
    ....
  4. doi request reprint Stroke occurrence and patterns are not influenced by the degree of stenosis in cervical artery dissection
    Olivier Naggara
    Neuroradiology, Hopital Sainte Anne, 1 rue Cabanis, 75014 Paris, France
    Stroke 43:1150-2. 2012
    ..In stroke attributable to spontaneous dissection of the cervical artery, it is unclear whether the occurrence and pattern of stroke depend on the degree of stenosis...
  5. doi request reprint Added value of high-resolution MR imaging in the diagnosis of vertebral artery dissection
    O Naggara
    Department of Neuroradiology, Paris Descartes University, Centre Hospitalier Sainte Anne, 1 rue Cabanis, Paris, France
    AJNR Am J Neuroradiol 31:1707-12. 2010
    ..The optimal imaging method for the diagnosis of VAD remains undefined. Our aim was to evaluate the added value of HR-MR imaging for the diagnosis of VAD...
  6. ncbi request reprint [Imaging of intracranial metastases in adults]
    O Naggara
    Département d Imagerie Morphologique et Fonctionnelle, Centre Hospitalier Sainte Anne, 1, rue Cabanis, 75674 Paris Cedex 14
    J Radiol 87:792-806. 2006
    ..This article discusses optimal CT and MR imaging protocols and describes imaging features and distinguishing characteristics of cerebral and meningeal metastases...
  7. ncbi request reprint Diffusion tensor imaging in early Alzheimer's disease
    Olivier Naggara
    University Paris Descartes, Faculty of Medecine, Department of Neuroradiology, Sainte Anne Hospital, 1 rue Cabanis, 75674 Paris, France
    Psychiatry Res 146:243-9. 2006
    ..Findings of DTI reveal abnormalities in the frontal and temporal WM in early AD patients. These changes are compatible with early temporal-to-frontal disconnections...
  8. ncbi request reprint [Inflammatory presentation of a cavernous dural fistula: diagnosis with color and pulse Doppler imaging]
    O Naggara
    Departement de Neuroradiologie, Centre Hospitalier Sainte Anne, Paris
    J Fr Ophtalmol 29:e1. 2006
    ..We will attempt to show the advantage of color Doppler imaging for the diagnosis of this infrequent lesion. The only indication of digitalized angiography is for endovascular treatment...
  9. doi request reprint High-resolution MR imaging of periarterial edema associated with biological inflammation in spontaneous carotid dissection
    Olivier Naggara
    Department of Neuroradiology, Paris Descartes University, EA 4055, INSERM U894, Centre Hospitalier Sainte Anne, 1 rue Cabanis, Paris 75014, France
    Eur Radiol 19:2255-60. 2009
    ..5-50.1], p = 0.002) values. Interobserver agreement was 0.84 or higher for PAE identification. sCAD was associated with PAE and biological inflammation. Our results support the hypothesis of an underlying arterial inflammation in sCAD...
  10. ncbi request reprint Suprasellar paraganglioma: a case report and review of the literature
    O Naggara
    Department of Neuroradiology, Centre Hospitalier Sainte Anne, 1 rue Cabanis, 75013 Paris, France
    Neuroradiology 47:753-7. 2005
    ..Following subtotal surgical excision, the diagnosis of paraganglioma was confirmed by pathology. In this case report we describe the MRI pattern of suprasellar paraganglioma and review the literature of this uncommon lesion...
  11. doi request reprint Can DWI-ASPECTS substitute for lesion volume in acute stroke?
    Constance de Margerie-Mellon
    From the Departments of Radiology C d M M, M T, O N, L L, J F M, C O and Neurology G T, D C, J L M, J C B, Centre de psychiatrie et Neurosciences, INSERM S894, Centre Hospitalier Sainte Anne, Université Paris Descartes Sorbonne Paris Cité, Paris, France
    Stroke 44:3565-7. 2013
    ..However, estimating diffusion-weighted imaging (DWI) lesion volume (VolDWI) in the acute setting may be cumbersome. We aimed to determine whether the DWI-Alberta Stroke Program Early CT Score (DWI-ASPECTS) can substitute for VolDWI...
  12. doi request reprint Asymmetry of intracranial internal carotid artery on 3D TOF MR angiography: a sign of unilateral extracranial stenosis
    Olivier Naggara
    Faculté de Médecine René Descartes, Université Paris 5 Centre Hospitalier Sainte Anne, Department of Neuroradiology, 1 rue Cabanis, 75674 Paris Cedex 14, France
    Eur Radiol 18:1038-42. 2008
    ..This sign may allow an early detection of high-grade cervical carotid stenosis in stroke patients before dedicated neck imaging is performed...
  13. doi request reprint Clot burden score on admission T2*-MRI predicts recanalization in acute stroke
    Laurence Legrand
    Department of Radiology, Centre Hospitalier Sainte Anne, Université Paris Descartes Sorbonne Paris Cité, Centre de psychiatrie et Neurosciences, INSERM S894, Paris, France
    Stroke 44:1878-84. 2013
    ..5 hours from onset...
  14. doi request reprint Total mismatch in anterior circulation stroke patients before thrombolysis
    Anne Fustier
    Inserm UMR 894, Department of Neuroradiology, Centre Hospitalier Sainte Anne, Universite Paris Descartes, Sorbonne Paris Cité, Paris, France
    J Neuroradiol 40:158-63. 2013
    ....
  15. doi request reprint Mechanism of ischemic infarct in spontaneous cervical artery dissection
    Audrey Morel
    Neuroradiology, Hopital Sainte Anne, Paris, France
    Stroke 43:1354-61. 2012
    ..The aim of this study was to identify the most likely mechanism of stroke using cervical and cerebral imaging parameters in patients with CAD...
  16. pmc Clinical and magnetic resonance imaging predictors of very early neurological response to intravenous thrombolysis in patients with middle cerebral artery occlusion
    Marion Apoil
    Université Paris Descartes Sorbonne Paris Cité, INSERM UMR S894, Hopital Sainte Anne, Paris, France
    J Am Heart Assoc 2:e000511. 2013
    ..Given that very early neurological improvement (VENI) is a reliable surrogate of early recanalization, we assessed the clinical and magnetic resonance imaging predictors of lack of VENI...
  17. doi request reprint Magnetic Resonance Imaging-DRAGON score: 3-month outcome prediction after intravenous thrombolysis for anterior circulation stroke
    Guillaume Turc
    Service de Neurologie, Hopital Sainte Anne, 1 rue Cabanis, 75674 Paris Cedex 14, France
    Stroke 44:1323-8. 2013
    ..We adapted the score for patients undergoing MRI as the first-line diagnostic tool...
  18. doi request reprint Relationships between recent intraplaque hemorrhage and stroke risk factors in patients with carotid stenosis: the HIRISC study
    Guillaume Turc
    Department of Neurology Hôpital Sainte Anne, 1 rue Cabanis, 75014 Paris, France
    Arterioscler Thromb Vasc Biol 32:492-9. 2012
    ..However, little is known about the relationships between IPH and traditional risk factors and whether these relationships differ between symptomatic and asymptomatic disease...
  19. doi request reprint High-resolution MR imaging of the cervical arterial wall: what the radiologist needs to know
    Catherine Oppenheim
    Department of Imaging, Universite Paris Descartes, EA 4055, Centre Hospitalier Sainte Anne, 1, rue Cabanis, 75674 Paris Cedex 14, France
    Radiographics 29:1413-31. 2009
    ..Finally, the role of high-resolution MR imaging in the diagnosis of cervical dissection and inflammatory disease of the arterial wall is emphasized...
  20. doi request reprint 3T MRI improves the detection of transmantle sign in type 2 focal cortical dysplasia
    Charles Mellerio
    Department of Neuroimaging, Sainte Anne Hospital Center, Paris Descartes Sorbonne Paris Cité University, Paris, France
    Epilepsia 55:117-22. 2014
    ..This study aimed to elucidate whether 3T MRI offers better detection and characterization of FCD2 than 1.5T, using similar coils and acquisition time...
  21. ncbi request reprint Three-dimensional dynamic magnetic resonance angiography for the evaluation of radiosurgically treated cerebral arteriovenous malformations
    Jean Yves Gauvrit
    Department of Neuroradiology, EA 2691, Roger Salengro Hospital, rue du Pr E Laine, 59037, Lille, France
    Eur Radiol 16:583-91. 2006
    ....
  22. doi request reprint Intracranial solitary fibrous tumor: imaging findings
    Frédéric Clarençon
    Department of Neuroradiology, Pitie Salpetriere Hospital, APHP, 75013 Paris, France
    Eur J Radiol 80:387-94. 2011
    ..To study the neuroimaging features of intracranial solitary fibrous tumors (ISFTs)...
  23. doi request reprint Anatomical and technical factors associated with stroke or death during carotid angioplasty and stenting: results from the endarterectomy versus angioplasty in patients with symptomatic severe carotid stenosis (EVA-3S) trial and systematic review
    Olivier Naggara
    Universite Paris Descartes, Inserm UMR 894, Department of Neurology, Hopital Sainte Anne, 75014 Paris, France
    Stroke 42:380-8. 2011
    ....
  24. doi request reprint MR Selective Flow-Tracking Cartography: A Postprocessing Procedure Applied to Four-dimensional Flow MR Imaging for Complete Characterization of Cranial Dural Arteriovenous Fistulas
    Myriam Edjlali
    From the Department of Morphologic and Functional Imaging, Universite Paris Descartes, Inserm UMR 894, Hopital Sainte Anne, 1 rue Cabanis, 75014 Paris, France M E, P R, D T, C Rodriguez Régent, J F M, O N, C O, Clinical Science Development Group, GE Healthcare, Buc, France C Rabrait and Departments of Medical Physics K M J, O W, P T and Radiology P T, University of Wisconsin, Madison, Wis
    Radiology 270:261-8. 2014
    ..35). Conclusion MR selective flow-tracking cartography enabled the noninvasive characterization of cranial DAVFs. © RSNA, 2013 Online supplemental material is available for this article. ..
  25. pmc T2* "susceptibility vessel sign" demonstrates clot location and length in acute ischemic stroke
    Olivier Naggara
    Department of Neuroradiology, Universite Paris Descartes, Inserm UMR 894, Centre Hospitalier Sainte Anne, Paris, Ile de France, France
    PLoS ONE 8:e76727. 2013
    ....
  26. doi request reprint Mechanical and structural characteristics of carotid plaques by combined analysis with echotracking system and MR imaging
    Hélène Beaussier
    Department of Pharmacology and INSERM U970, Hopital Europeen Georges Pompidou, Paris, France
    JACC Cardiovasc Imaging 4:468-77. 2011
    ..The purpose of this study was to correlate the arterial mechanics of carotid atherosclerotic plaques assessed from echotracking with their composition by high-resolution magnetic resonance imaging (HR-MRI)...
  27. ncbi request reprint Diffusion-weighted MR imaging in transient ischaemic attacks
    C Lamy
    Service de Neurologie, de l Hôpital Sainte Anne, 1, rue Cabanis, 75674 Paris Cedex 14, France
    Eur Radiol 16:1090-5. 2006
    ..1; 95% CI, 1.5-17.8) were independent predictors of DWI lesions. Prolonged TIA duration, aphasia and motor deficits are associated with DWI lesions. More than half of TIA patients with symptoms lasting more than 60 min have DWI lesions...
  28. doi request reprint Endarterectomy Versus Angioplasty in Patients with Symptomatic Severe Carotid Stenosis (EVA-3S) trial: results up to 4 years from a randomised, multicentre trial
    Jean Louis Mas
    Hôpitaux Sainte Anne, Universite Paris Descartes, Paris, France
    Lancet Neurol 7:885-92. 2008
    ..We now report the results up to 4 years...
  29. ncbi request reprint [Cervical arteries dissection: diagnostic Color Doppler US criteria at the acute phase]
    M P Gobin-Metteil
    Département d Imagerie Morphologique et Fonctionnelle, Centre Hospitalier Sainte Anne, 1 rue Cabanis 74674 Paris cedex 14
    J Radiol 87:367-73. 2006
    ..To estimate the value of duplex color-coded ultrasonography in the initial diagnosis of acute cervical artery dissection...
  30. doi request reprint Safety and occlusion rates of surgical treatment of unruptured intracranial aneurysms: a systematic review and meta-analysis of the literature from 1990 to 2011
    Marc Kotowski
    Department of Radiology, Centre Hospitalier de l Universite de Montreal CHUM, Notre Dame Hospital, Montreal, Canada
    J Neurol Neurosurg Psychiatry 84:42-8. 2013
    ..We performed an updated systematic review and meta-analysis on the surgical treatment of UIAs, in an attempt to determine the aneurysm occlusion rates and safety of surgery in the modern era...
  31. ncbi request reprint [Imaging of acute stroke]
    O Naggara
    Département d Imagerie Morphologique et Fonctionnelle, Centre Hospitalier Sainte Anne, CHU Paris, 1 rue Cabanis, 75674 Paris Cedex 14
    J Mal Vasc 31:252-9. 2006
    ..The ischemic origin of symptoms can be confirmed with magnetic resonance imaging which also contributes to for therapeutic decision making, prognosis assessment and etiological screening...
  32. ncbi request reprint Comparison of optimized and standard diffusion-weighted imaging at 1.5T for the detection of acute lesions in patients with transient ischemic attack
    A Bertrand
    Department of Neuroradiology, Universite Paris Descartes, Centre Hospitalier Sainte Anne, Paris, France
    AJNR Am J Neuroradiol 29:363-5. 2008
    ..Optimized DWI was positive in more patients than standard DWI (19 versus 16; P < .001) and showed more lesions (56 versus 42; P = .002). At 1.5T, optimizing DWI decreases the rate of false-negative DWI in patients with TIA...
  33. doi request reprint Pulsed arterial spin labeling applications in brain tumors: practical review
    T Tourdias
    Département d Imagerie Morphologique et Fonctionnelle, centre hospitalier de Sainte Anne, 1, rue Cabanis, 75674 Paris cedex, France
    J Neuroradiol 35:79-89. 2008
    ..5-T MR unit. We will discuss and illustrate the use of ASL in tumoral diseases for diagnosis, gliomas grading, stereotactic biopsy guidance and for follow-up after treatment...
  34. ncbi request reprint [Dementia: role of imaging]
    J F Meder
    Département d Imagerie Morphologique et Fonctionnelle, Hopital Sainte Anne, 1, rue Cabanis, 75674 Paris
    J Radiol 84:1819-28. 2003
    ....
  35. ncbi request reprint [Diffusion tensor MR imaging of the brain. Clinical applications]
    C Oppenheim
    Département d Imagerie Morphologique et Fonctionnelle, CH Sainte Anne, 1 rue Cabanis, 75674 Paris 14
    J Radiol 85:287-96. 2004
    ....
  36. ncbi request reprint Human subinsular asymmetry studied by diffusion tensor imaging and fiber tracking
    S Rodrigo
    Département d Imagerie Morphologique et Fonctionnelle, Faculte de Medecine, Universite Paris Descartes, Centre Hospitalier Sainte Anne, Paris, France
    AJNR Am J Neuroradiol 28:1526-31. 2007
    ..Besides the known gray matter asymmetries, white matter asymmetries could also play a key role in the understanding of hemispheric specialization, notably that of language...
  37. ncbi request reprint [Imaging of postoperative failures and complications in stapes surgery for otosclerosis]
    O Naggara
    Département d Imagerie Morphologique et Fonctionnelle, CH Sainte Anne, Paris
    J Radiol 86:1749-61. 2005
    ..CT and MRI are complementary for the work up of these complications...
  38. doi request reprint In vivo experimental intracranial aneurysm models: a systematic review
    F Bouzeghrane
    Research Center, Centre Hospitalier de l Universite de Montreal, Notre Dame Hospital, Montreal, Quebec, Canada
    AJNR Am J Neuroradiol 31:418-23. 2010
    ..A standardized multicenter study is needed to improve the preclinical evaluation of endovascular devices in aneurysm therapy...
  39. ncbi request reprint [MRI of acute ischemic stroke]
    C Oppenheim
    Département d Imagerie Morphologique et Fonctionnelle, Centre Hospitalier Sainte Anne, 1, rue Cabanis, 75014 Paris
    J Radiol 86:1069-78. 2005
    ....
  40. doi request reprint A new canine carotid artery bifurcation aneurysm model for the evaluation of neurovascular devices
    O Naggara
    Interventional Neuroradiology Research Unit, Department of Radiology, Centre Hospitalier de l Universite de Montreal, Notre Dame Hospital, Montreal, Canada
    AJNR Am J Neuroradiol 31:967-71. 2010
    ..Our first task was to verify that recurrences occurred after satisfactory coiling. A second aim of this preliminary work was to assess if the new model could recreate the technical challenges involved in bifurcation aneurysms...
  41. ncbi request reprint [Vascular tumours and malformation of the orbit]
    O Naggara
    Département d Imagerie Morphologique et Fonctionnelle, Centre Hospitalier Sainte Anne, Paris
    J Radiol 87:17-27. 2006
    ..The objective of this work is, using the current classification, to illustrate the different imaging aspects of the most frequent vascular diseases of the orbit...
  42. ncbi request reprint [Cerebral arterial infarction and diffusion tensor imaging]
    S Rodrigo
    Département d Imagerie Morphologique et Fonctionnelle, Centre Hospitalier Sainte Anne, 1 rue Cabanis, 75674 Paris Cedex 14
    J Neuroradiol 33:51-6. 2006
    ..Diffusion-weighted imaging (3 directions) and diffusion tensor imaging (9 directions) were compared for their sensitivity to detect ischemic lesion...
  43. ncbi request reprint Asymptomatic spontaneous acute vertebral artery dissection: diagnosis by high-resolution magnetic resonance images with a dedicated surface coil
    Olivier Naggara
    Eur Radiol 17:2434-5. 2007