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Index by author

August 01, 2017; Volume 38,Issue 8

  1. Nagel, S.

    1. INTERVENTIONAL
      Open Access
      e-ASPECTS Correlates with and Is Predictive of Outcome after Mechanical Thrombectomy
      J. Pfaff, C. Herweh, S. Schieber, S. Schönenberger, J. Bösel, P.A. Ringleb, M. Möhlenbruch, M. Bendszus and S. Nagel
      American Journal of Neuroradiology August 2017, 38 (8) 1594-1599; DOI: https://doi.org/10.3174/ajnr.A5236
    2. EDITOR'S CHOICEINTERVENTIONAL
      The Impact of Conscious Sedation versus General Anesthesia for Stroke Thrombectomy on the Predictive Value of Collateral Status: A Post Hoc Analysis of the SIESTA Trial
      S. Schönenberger, J. Pfaff, L. Uhlmann, C. Klose, S. Nagel, P.A. Ringleb, W. Hacke, M. Kieser, M. Bendszus, M.A. Möhlenbruch and J. Bösel
      American Journal of Neuroradiology August 2017, 38 (8) 1580-1585; DOI: https://doi.org/10.3174/ajnr.A5243

      Using imaging data from the Sedation versus Intubation for Endovascular Stroke TreAtment (SIESTA) trial, the authors assessed collateral status with the score of Tan et al and graded it from absent to good collaterals (0–3). They examined the association of collateral status with 24-hour improvement of the NIHSS score, infarct volume, and mRS at 3 months according to the sedation regimen in a cohort of 104 patients. The sedation mode, conscious sedation or general anesthesia, did not influence the predictive value of collaterals in patients with large-vessel occlusion anterior circulation stroke undergoing thrombectomy in the SIESTA trial.

  2. Nair, G.

    1. FELLOWS' JOURNAL CLUBAdult Brain
      Open Access
      Volumetric Analysis from a Harmonized Multisite Brain MRI Study of a Single Subject with Multiple Sclerosis
      R.T. Shinohara, J. Oh, G. Nair, P.A. Calabresi, C. Davatzikos, J. Doshi, R.G. Henry, G. Kim, K.A. Linn, N. Papinutto, D. Pelletier, D.L. Pham, D.S. Reich, W. Rooney, S. Roy, W. Stern, S. Tummala, F. Yousuf, A. Zhu, N.L. Sicotte, R. Bakshi and the NAIMS Cooperative
      American Journal of Neuroradiology August 2017, 38 (8) 1501-1509; DOI: https://doi.org/10.3174/ajnr.A5254

      The North American Imaging in Multiple Sclerosis Cooperative steering committee developed a uniform high-resolution 3T MR imaging protocol relevant to the quantification of cerebral lesions and atrophy and implemented it at 7 sites across the United States. They assessed intersite variability in scan data, by imaging a volunteer with relapsing-remitting MS with a scan-rescan at each site. In multicenter studies with consistent scanner field strength and manufacturer after protocol harmonization, systematic differences can lead to severe biases in volumetric analyses.

  3. Nawfel, R.D.

    1. Reply:
      R.D. Nawfel and G.S. Young
      American Journal of Neuroradiology August 2017, 38 (8) E56; DOI: https://doi.org/10.3174/ajnr.A5242
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