Index by author
Riquelme, C.
- FELLOWS' JOURNAL CLUBInterventionalYou have accessMulticentric Experience in Distal-to-Proximal Revascularization of Tandem Occlusion Stroke Related to Internal Carotid Artery DissectionG. Marnat, M. Bühlmann, O.F. Eker, J. Gralla, P. Machi, U. Fischer, C. Riquelme, M. Arnold, A. Bonafé, S. Jung, V. Costalat and P. MordasiniAmerican Journal of Neuroradiology June 2018, 39 (6) 1093-1099; DOI: https://doi.org/10.3174/ajnr.A5640
Prospectively managed stroke data bases from 2 separate centers were retrospectively studied between 2009 and 2014 for records of tandem occlusions related to internal carotid dissection. The first step in the revascularization procedure was intracranial thrombectomy. Then, cervical carotid stent placement was performed depending on the functionality of the circle of Willis and the persistence of residual cervical ICA occlusion, severe stenosis, or thrombus apposition. Efficiency, complications, and radiologic and clinical outcomes were recorded. Thirty-four patients presenting with tandem occlusion stroke secondary to internal carotid dissection were treated during the study period. The mean age was 52.5 years, the mean initial NIHSS score was 17, and the mean delay between onset and groin puncture was 3.58 hours. Recanalization of TICI 2b/3 was obtained in 21 cases (62%). Fifteen patients underwent cervical carotid stent placement. There was no recurrence of ipsilateral stroke in the nonstented subgroup. The authors conclude that endovascular treatment of internal carotid dissection-related tandem occlusion stroke using the distal-to-proximal recanalization strategy appears to be feasible, with low complication rates and considerable rates of successful recanalization.
- InterventionalYou have accessTreatment of Distal Anterior Cerebral Artery Aneurysms with Flow-Diverter Stents: A Single-Center ExperienceF. Cagnazzo, M. Cappucci, C. Dargazanli, P.-H. Lefevre, G. Gascou, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology June 2018, 39 (6) 1100-1106; DOI: https://doi.org/10.3174/ajnr.A5615
Robert, T.
- Extracranial VascularYou have accessAnatomic and Angiographic Analyses of Ophthalmic Artery Collaterals in Moyamoya DiseaseT. Robert, G. Cicciò, P. Sylvestre, A. Chiappini, A.G. Weil, S. Smajda, C. Chaalala, R. Blanc, M. Reinert, M. Piotin and M.W. BojanowskiAmerican Journal of Neuroradiology June 2018, 39 (6) 1121-1126; DOI: https://doi.org/10.3174/ajnr.A5622
Rodriguez, A.
- FELLOWS' JOURNAL CLUBHead & NeckOpen AccessCavitary Plaques in Otospongiosis: CT Findings and Clinical ImplicationsP. Puac, A. Rodríguez, H.-C. Lin, V. Onofrj, F.-C. Lin, S.-C. Hung, C. Zamora and M. CastilloAmerican Journal of Neuroradiology June 2018, 39 (6) 1135-1139; DOI: https://doi.org/10.3174/ajnr.A5613
Cross-sectional CT images and clinical records of 47 patients (89 temporal bones) were evaluated for the presence, location, and imaging features of cavitary and noncavitaryotospongiotic plaques, as well as clinical symptoms and complications in those who underwent cochlear implantation. Noncavitaryotospongiotic plaques were present in 86 (97%) temporal bones and cavitary plaques in 30 (35%). Cavitary plaques predominated with increasing age, mostly involving the anteroinferior wall of the internal auditory canal, and their presence was not associated with a higher grade of otospongiosis by imaging or with a specific type of hearing loss. The authors conclude that cavitary plaques occurred in one-third of patients with otospongiosis.
Rogerson, S.
- PediatricsOpen AccessPostnatal Brain Growth Assessed by Sequential Cranial Ultrasonography in Infants Born <30 Weeks' Gestational AgeR. Cuzzilla, A.J. Spittle, K.J. Lee, S. Rogerson, F.M. Cowan, L.W. Doyle and J.L.Y. CheongAmerican Journal of Neuroradiology June 2018, 39 (6) 1170-1176; DOI: https://doi.org/10.3174/ajnr.A5679
Roos, Y.B.W.E.M.
- Adult BrainYou have accessAssociation of Quantified Location-Specific Blood Volumes with Delayed Cerebral Ischemia after Aneurysmal Subarachnoid HemorrhageW.E. van der Steen, I.A. Zijlstra, D. Verbaan, A.M.M. Boers, C.S. Gathier, R. van den Berg, G.J.E. Rinkel, B.A. Coert, Y.B.W.E.M. Roos, C.B.L.M. Majoie and H.A. MarqueringAmerican Journal of Neuroradiology June 2018, 39 (6) 1059-1064; DOI: https://doi.org/10.3174/ajnr.A5626
- FELLOWS' JOURNAL CLUBInterventionalYou have accessValue of Quantitative Collateral Scoring on CT Angiography in Patients with Acute Ischemic StrokeA.M.M. Boers, R. Sales Barros, I.G.H. Jansen, O.A. Berkhemer, L.F.M. Beenen, B.K. Menon, D.W.J. Dippel, A. van der Lugt, W.H. van Zwam, Y.B.W.E.M. Roos, R.J. van Oostenbrugge, C.H. Slump, C.B.L.M. Majoie and H.A. Marquering on behalf of the MR CLEAN investigatorsAmerican Journal of Neuroradiology June 2018, 39 (6) 1074-1082; DOI: https://doi.org/10.3174/ajnr.A5623
From the MR CLEAN data base, all baseline thin-slice CTA images of patients with acute ischemic stroke with intracranial large-vessel occlusion were retrospectively collected. The quantitative collateral score was calculated as the ratio of the vascular appearance of both hemispheres and was compared with the visual collateral score. Primary outcomes were 90-day mRS score and follow-up infarct volume. A total of 442 patients were included. The quantitative collateral score strongly correlated with the visual collateral score and was an independent predictor of mRS and follow-up infarct volume per 10% increase. The quantitative collateral score showed areas under the curve of 0.71 and 0.69 for predicting functional independence (mRS 0-2) and follow-up infarct volume of greater than 90 mL, respectively. The authors conclude that automated quantitative collateral scoring in patients with acute ischemic stroke is a reliable and user-independent measure of the collateral capacity on baseline CTA and has the potential to augment the triage of patients with acute stroke for endovascular therapy.
Ross, B.
- EDITOR'S CHOICEAdult BrainOpen AccessMultisite Concordance of DSC-MRI Analysis for Brain Tumors: Results of a National Cancer Institute Quantitative Imaging Network Collaborative ProjectK.M. Schmainda, M.A. Prah, S.D. Rand, Y. Liu, B. Logan, M. Muzi, S.D. Rane, X. Da, Y.-F. Yen, J. Kalpathy-Cramer, T.L. Chenevert, B. Hoff, B. Ross, Y. Cao, M.P. Aryal, B. Erickson, P. Korfiatis, T. Dondlinger, L. Bell, L. Hu, P.E. Kinahan and C.C. QuarlesAmerican Journal of Neuroradiology June 2018, 39 (6) 1008-1016; DOI: https://doi.org/10.3174/ajnr.A5675
DSC-MR imaging data were collected after a preload and during a bolus injection of gadolinium contrast agent using a gradient recalled-echo-EPI sequence. Forty-nine low-grade and high-grade glioma datasets were uploaded to The Cancer Imaging Archive. Datasets included a predetermined arterial input function, enhancing tumor ROIs, and ROIs necessary to create normalized relative CBV and CBF maps. Seven sites computed 20 different perfusion metrics. For normalized relative CBV and normalized CBF, 93% and 94% of entries showed good or excellent cross-site agreement. All metrics could distinguish low- from high-grade tumors.
Rossi, A.
- PediatricsYou have accessNoninvasive Assessment of Hemodynamic Stress Distribution after Indirect Revascularization for Pediatric Moyamoya VasculopathyD. Tortora, M. Severino, M. Pacetti, G. Morana, M.M. Mancardi, V. Capra, A. Cama, M. Pavanello and A. RossiAmerican Journal of Neuroradiology June 2018, 39 (6) 1157-1163; DOI: https://doi.org/10.3174/ajnr.A5627
Rufenacht, D.A.
- You have accessMultisociety Consensus Quality Improvement Revised Consensus Statement for Endovascular Therapy of Acute Ischemic StrokeFrom the American Association of Neurological Surgeons (AANS), American Society of Neuroradiology (ASNR), Cardiovascular and Interventional Radiology Society of Europe (CIRSE), Canadian Interventional Radiology Association (CIRA), Congress of Neurological Surgeons (CNS), European Society of Minimally Invasive Neurological Therapy (ESMINT), European Society of Neuroradiology (ESNR), European Stroke Organization (ESO), Society for Cardiovascular Angiography and Interventions (SCAI), Society of Interventional Radiology (SIR), Society of NeuroInterventional Surgery (SNIS), and World Stroke Organization (WSO), D. Sacks, B. Baxter, B.C.V. Campbell, J.S. Carpenter, C. Cognard, D. Dippel, M. Eesa, U. Fischer, K. Hausegger, J.A. Hirsch, M.S. Hussain, O. Jansen, M.V. Jayaraman, A.A. Khalessi, B.W. Kluck, S. Lavine, P.M. Meyers, S. Ramee, D.A. Rüfenacht, C.M. Schirmer and D. VorwerkAmerican Journal of Neuroradiology June 2018, 39 (6) E61-E76; DOI: https://doi.org/10.3174/ajnr.A5638
Saaybi, S.R.
- You have accessREPLY:C.E. Al-Haddad, M.G. Sebaaly, R.N. Tutunji, C.J. Mehanna, S.R. Saaybi, A.M. Khamis and R.G. HouraniAmerican Journal of Neuroradiology June 2018, 39 (6) E81; DOI: https://doi.org/10.3174/ajnr.A5647
Sacks, D.
- You have accessMultisociety Consensus Quality Improvement Revised Consensus Statement for Endovascular Therapy of Acute Ischemic StrokeFrom the American Association of Neurological Surgeons (AANS), American Society of Neuroradiology (ASNR), Cardiovascular and Interventional Radiology Society of Europe (CIRSE), Canadian Interventional Radiology Association (CIRA), Congress of Neurological Surgeons (CNS), European Society of Minimally Invasive Neurological Therapy (ESMINT), European Society of Neuroradiology (ESNR), European Stroke Organization (ESO), Society for Cardiovascular Angiography and Interventions (SCAI), Society of Interventional Radiology (SIR), Society of NeuroInterventional Surgery (SNIS), and World Stroke Organization (WSO), D. Sacks, B. Baxter, B.C.V. Campbell, J.S. Carpenter, C. Cognard, D. Dippel, M. Eesa, U. Fischer, K. Hausegger, J.A. Hirsch, M.S. Hussain, O. Jansen, M.V. Jayaraman, A.A. Khalessi, B.W. Kluck, S. Lavine, P.M. Meyers, S. Ramee, D.A. Rüfenacht, C.M. Schirmer and D. VorwerkAmerican Journal of Neuroradiology June 2018, 39 (6) E61-E76; DOI: https://doi.org/10.3174/ajnr.A5638