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Index by author

December 01, 2020; Volume 41,Issue 12

  1. Zahra, K.

    1. FELLOWS' JOURNAL CLUBInterventional
      Open Access
      Characteristics of Large-Vessel Occlusion Associated with COVID-19 and Ischemic Stroke
      S. John, P. Kesav, V.A. Mifsud, B. Piechowski-Jozwiak, J. Dibu, A. Bayrlee, H. Elkambergy, F. Roser, M.S. Elhammady, K. Zahra and S.I. Hussain
      American Journal of Neuroradiology December 2020, 41 (12) 2263-2268; DOI: https://doi.org/10.3174/ajnr.A6799

      Consecutive ischemic stroke and TIA admissions (COVID and non-COVID) to the authors' hospital during a 10-week period from March 1 to May 10, 2020 were collected and compared with data from the same time period in 2019. Among 20 patients with COVID-19 and acute ischemic stroke, 15 (75%) had large-vessel occlusion. These patients were young (mean age, 46.5 years), male (93%), without major burden of traditional cardiovascular risk factors, and had a severe stroke presentation. Large vessel occlusions were observed in multiple vessels (40%), uncommonly affected vessels, and atypical locations with a large thrombus burden.

  2. Zampolin, R.

    1. Interventional
      Open Access
      The Impact of COVID-19 on Emergent Large-Vessel Occlusion: Delayed Presentation Confirmed by ASPECTS
      D.J. Altschul, N. Haranhalli, C. Esenwa, S.R. Unda, R. de La Garza Ramos, J. Dardick, J. Fernandez-Torres, A. Toma, D. Labovitz, N. Cheng, S.K. Lee, A. Brook and R. Zampolin
      American Journal of Neuroradiology December 2020, 41 (12) 2271-2273; DOI: https://doi.org/10.3174/ajnr.A6800

  3. Zamvil, S.S.

    1. EDITOR'S CHOICEAdult Brain
      Open Access
      Neurite Orientation Dispersion and Density Imaging for Assessing Acute Inflammation and Lesion Evolution in MS
      S. Sacco, E. Caverzasi, N. Papinutto, C. Cordano, A. Bischof, T. Gundel, S. Cheng, C. Asteggiano, G. Kirkish, J. Mallott, W.A. Stern, S. Bastianello, R.M. Bove, J.M. Gelfand, D.S. Goodin, A.J. Green, E. Waubant, M.R. Wilson, S.S. Zamvil, B.A. Cree, S.L. Hauser, R.G. Henry, and and University of California, San Francisco MS-EPIC Team
      American Journal of Neuroradiology December 2020, 41 (12) 2219-2226; DOI: https://doi.org/10.3174/ajnr.A6862

      Neurite orientation dispersion and density imaging (NODDI) assesses microstructural features of neurites contributing to diffusion imaging signals. Twenty-one subjects with MS underwent serial enhanced MRIs including NODDI, the key metrics of which are the neurite density and orientation dispersion index. Twenty-one age- and sex-matched healthy controls underwent unenhanced MR imaging with the same protocol. NODDI is a promising tool with the potential to detect acute MS inflammation. The observed heterogeneity among lesions may correspond to gradients in severity and clinical recovery after the acute phase.

  4. Zimmer, C.

    1. Head & Neck
      Open Access
      Gadolinium-Enhanced 3D T1-Weighted Black-Blood MR Imaging for the Detection of Acute Optic Neuritis
      I. Riederer, N. Sollmann, M. Mühlau, C. Zimmer and J.S. Kirschke
      American Journal of Neuroradiology December 2020, 41 (12) 2333-2338; DOI: https://doi.org/10.3174/ajnr.A6807

  5. Zins, M.

    1. Adult Brain
      Open Access
      Unusual Brain MRI Pattern in 2 Patients with COVID-19 Acute Respiratory Distress Syndrome
      S. Toledano-Massiah, N. Badat, A. Leberre, C. Bruel, A. Ray, S. Gerber, M. Zins and J. Hodel
      American Journal of Neuroradiology December 2020, 41 (12) 2204-2205; DOI: https://doi.org/10.3174/ajnr.A6817
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