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Index by author

August 01, 2017; Volume 38,Issue 8

  1. Katsuse, O.

    1. ADULT BRAIN
      Head-to-Head Visual Comparison between Brain Perfusion SPECT and Arterial Spin-Labeling MRI with Different Postlabeling Delays in Alzheimer Disease
      T. Kaneta, O. Katsuse, T. Hirano, M. Ogawa, K. Yoshida, T. Odawara, Y. Hirayasu and T. Inoue
      American Journal of Neuroradiology August 2017, 38 (8) 1562-1568; DOI: https://doi.org/10.3174/ajnr.A5238

  2. Kieser, M.

    1. 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.

  3. Kikuchi, Y.

    1. EDITOR'S CHOICEADULT BRAIN
      Differentiation between Treatment-Induced Necrosis and Recurrent Tumors in Patients with Metastatic Brain Tumors: Comparison among 11C-Methionine-PET, FDG-PET, MR Permeability Imaging, and MRI-ADC—Preliminary Results
      N. Tomura, M. Kokubun, T. Saginoya, Y. Mizuno and Y. Kikuchi
      American Journal of Neuroradiology August 2017, 38 (8) 1520-1527; DOI: https://doi.org/10.3174/ajnr.A5252

      The authors evaluated the feasibility of MR permeability imaging by comparison with 11C-methionine-PET, FDG-PET, and DWI for differentiating radiation necrosis from recurrent tumors in 15 patients with 18 lesions following gamma knife radiosurgery. The area under the ROC curve for differentiating radiation necrosis from recurrent tumors was the best for the 11C-methionine ratio (0.90) followed by the contrast-enhancement ratio (0.81), maximum slope of increase (millimole/second) (0.80), and the initial area under the signal intensity–time curve (0.78). They conclude that PET using 11C-methionine may be superior to MR permeability imaging, ADC, and FDG-PET for differentiating radiation necrosis from recurrent tumors after gamma knife radiosurgery for metastatic brain tumors.

  4. Kim, E.H.

    1. ADULT BRAIN
      The Initial Area Under the Curve Derived from Dynamic Contrast-Enhanced MRI Improves Prognosis Prediction in Glioblastoma with Unmethylated MGMT Promoter
      Y.S. Choi, S.S. Ahn, H.-J. Lee, J.H. Chang, S.-G. Kang, E.H. Kim, S.H. Kim and S.-K. Lee
      American Journal of Neuroradiology August 2017, 38 (8) 1528-1535; DOI: https://doi.org/10.3174/ajnr.A5265

  5. Kim, 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.

  6. Kim, G.S.

    1. FELLOWS' JOURNAL CLUBINTERVENTIONAL
      Acute Basilar Artery Occlusion: Differences in Characteristics and Outcomes after Endovascular Therapy between Patients with and without Underlying Severe Atherosclerotic Stenosis
      Y.Y. Lee, W. Yoon, S.K. Kim, B.H. Baek, G.S. Kim, J.T. Kim and M.S. Park
      American Journal of Neuroradiology August 2017, 38 (8) 1600-1604; DOI: https://doi.org/10.3174/ajnr.A5233

      Sixty-two patients with acute basilar artery occlusion underwent multimodal endovascular therapy with stent-retriever thrombectomy as a first-line endovascular therapy. Patients with underlying intracranial atherosclerotic stenosis underwent additional intracranial angioplasty and stent placement. Underlying intracranial atherosclerotic stenosis was identified at the occlusion site in 15 patients (24.1%). Occlusion in the proximal segment of the basilar artery was more common in patients with intracranial atherosclerotic stenosis (60% versus 6.4%), whereas occlusion in the distal segment was more common in those without it. Patients with and without underlying intracranial atherosclerotic stenosis who underwent endovascular therapy had similar outcomes.

  7. Kim, J.T.

    1. FELLOWS' JOURNAL CLUBINTERVENTIONAL
      Acute Basilar Artery Occlusion: Differences in Characteristics and Outcomes after Endovascular Therapy between Patients with and without Underlying Severe Atherosclerotic Stenosis
      Y.Y. Lee, W. Yoon, S.K. Kim, B.H. Baek, G.S. Kim, J.T. Kim and M.S. Park
      American Journal of Neuroradiology August 2017, 38 (8) 1600-1604; DOI: https://doi.org/10.3174/ajnr.A5233

      Sixty-two patients with acute basilar artery occlusion underwent multimodal endovascular therapy with stent-retriever thrombectomy as a first-line endovascular therapy. Patients with underlying intracranial atherosclerotic stenosis underwent additional intracranial angioplasty and stent placement. Underlying intracranial atherosclerotic stenosis was identified at the occlusion site in 15 patients (24.1%). Occlusion in the proximal segment of the basilar artery was more common in patients with intracranial atherosclerotic stenosis (60% versus 6.4%), whereas occlusion in the distal segment was more common in those without it. Patients with and without underlying intracranial atherosclerotic stenosis who underwent endovascular therapy had similar outcomes.

  8. Kim, S.H.

    1. ADULT BRAIN
      The Initial Area Under the Curve Derived from Dynamic Contrast-Enhanced MRI Improves Prognosis Prediction in Glioblastoma with Unmethylated MGMT Promoter
      Y.S. Choi, S.S. Ahn, H.-J. Lee, J.H. Chang, S.-G. Kang, E.H. Kim, S.H. Kim and S.-K. Lee
      American Journal of Neuroradiology August 2017, 38 (8) 1528-1535; DOI: https://doi.org/10.3174/ajnr.A5265

  9. Kim, S.K.

    1. FELLOWS' JOURNAL CLUBINTERVENTIONAL
      Acute Basilar Artery Occlusion: Differences in Characteristics and Outcomes after Endovascular Therapy between Patients with and without Underlying Severe Atherosclerotic Stenosis
      Y.Y. Lee, W. Yoon, S.K. Kim, B.H. Baek, G.S. Kim, J.T. Kim and M.S. Park
      American Journal of Neuroradiology August 2017, 38 (8) 1600-1604; DOI: https://doi.org/10.3174/ajnr.A5233

      Sixty-two patients with acute basilar artery occlusion underwent multimodal endovascular therapy with stent-retriever thrombectomy as a first-line endovascular therapy. Patients with underlying intracranial atherosclerotic stenosis underwent additional intracranial angioplasty and stent placement. Underlying intracranial atherosclerotic stenosis was identified at the occlusion site in 15 patients (24.1%). Occlusion in the proximal segment of the basilar artery was more common in patients with intracranial atherosclerotic stenosis (60% versus 6.4%), whereas occlusion in the distal segment was more common in those without it. Patients with and without underlying intracranial atherosclerotic stenosis who underwent endovascular therapy had similar outcomes.

  10. Klose, C.

    1. 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.

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