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    Index by author — October 01, 2018, 39 (10) | American Journal of Neuroradiology  
    
















    





















    
  
  




    
    

  

      


    

      

  
  
  

    

  

    

  

                
    

      

  

    

  
      
  
  

    


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Index by author
  	
      
October 01, 2018; Volume 39,Issue 10 

  
  
   

  
  



  


  
  



			

		

	
	
 	
	  
  

		
		

			

			  

  
      
  
  

    
  1. Hamzei-sichani, F.
    1. 
  
  
      
      Interventional 
      
  
      
      Open Access
      
  
      Identification of Hostile Hemodynamics and Geometries of Cerebral Aneurysms: A Case-Control Study  
    	
      B.J. Chung, F. Mut, C.M. Putman, F. Hamzei-Sichani, W. Brinjikji, D. Kallmes, C.M. Jimenez and J.R. Cebral
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1860-1866; DOI: https://doi.org/10.3174/ajnr.A5764 
      
  
  
  

      

  2. Han, M.
    1. 
  
  
      
      Pediatrics 
      
  
      
      Open Access
      
  
      Multidelay Arterial Spin-Labeling MRI in Neonates and Infants: Cerebral Perfusion Changes during Brain Maturation  
    	
      H.G. Kim, J.H. Lee, J.W. Choi, M. Han, S.-M. Gho and Y. Moon
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1912-1918; DOI: https://doi.org/10.3174/ajnr.A5774 
      
  
  
  

      

  3. Hanakita, S.
    1. 
  
  
      
      Interventional 
      
  
      
      Open Access
      
  
      Integrating 3D Rotational Angiography into Gamma Knife Planning  
    	
      H. Hasegawa, S. Hanakita, M. Shin, M. Kawashima, T. Kin, W. Takahashi, M. Shojima, A.K. Nomoto, S. Aoki and N. Saito
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1867-1870; DOI: https://doi.org/10.3174/ajnr.A5763 
      
  
  
  

      

  4. Harrison, D.M.
    1. 
  
  
      
      EDITOR'S CHOICEAdult Brain 
      
  
      
      Open Access
      
  
      Longitudinal Persistence of Meningeal Enhancement on Postcontrast 7T 3D-FLAIR MRI in Multiple Sclerosis  
    	
      S.N. Jonas, I. Izbudak, A.A. Frazier and D.M. Harrison
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1799-1805; DOI: https://doi.org/10.3174/ajnr.A5796 
      
  
    	
      Thirty-one subjects with MS were prospectively scanned before and after intravenous contrast administration at 2 time points, approximately 1 year apart. Fifteen subjects in the cohort were scanned at another time approximately 1 year later. Foci of enhancement were categorized into 4 subtypes: subarachnoid spread/fill, subarachnoid nodular, vessel wall, and dural foci. Persistence ranged from 71%–100% at 1 year and 73%–100% at 2 years, depending on the enhancement pattern. Subarachnoid spread/fill and subarachnoid nodular subtypes persisted less often than vessel wall and dural foci. Longitudinal persistence of meningeal enhancement on 3D-FLAIR at 7T in MS varies by pattern of enhancement and correlates with worsening disability; however, it is not significantly different in those on/off treatment.
      
  
  

      

  5. Hasegawa, H.
    1. 
  
  
      
      Interventional 
      
  
      
      Open Access
      
  
      Integrating 3D Rotational Angiography into Gamma Knife Planning  
    	
      H. Hasegawa, S. Hanakita, M. Shin, M. Kawashima, T. Kin, W. Takahashi, M. Shojima, A.K. Nomoto, S. Aoki and N. Saito
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1867-1870; DOI: https://doi.org/10.3174/ajnr.A5763 
      
  
  
  

      

  6. Hattingen, E.
    1. 
  
  
      
      FELLOWS' JOURNAL CLUBAdult Brain 
      
  
      
      
  
      Cerebrovascular Reactivity during Prolonged Breath-Hold in Experienced Freedivers  
    	
      V.C. Keil, L. Eichhorn, H.J.M.M. Mutsaerts, F. Träber, W. Block, B. Mädler, K. van de Ven, J.C.W. Siero, B.J. MacIntosh, J. Petr, R. Fimmers, H.H. Schild and E. Hattingen
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1839-1847; DOI: https://doi.org/10.3174/ajnr.A5790 
      
  
    	
      Fifteen male freedivers underwent repetitive 3T pseudocontinuous ASL and 31P-/1H-MR spectroscopy before, during, and after a 5-minute breath-hold (split into early and late phases) and gave temporally matching venous blood gas samples. The spatial coefficient of variation of CBF (by arterial spin-labeling) decreased during the early breath-hold phase whereas CBF remained almost stable during this phase and increased in the late phase. Cerebrovascular reactivity differed between the anterior and the posterior circulation during all phases. The cerebral energy metabolism of trained freedivers withstands severe hypoxic hypercarbia in prolonged breath-hold due to a complex cerebrovascular hemodynamic response.
      
  
  

      

  7. Heldner, M.R.
    1. 
  
  
      
      FELLOWS' JOURNAL CLUBInterventional 
      
  
      
      Open Access
      
  
      Reasons for Reperfusion Failures in Stent-Retriever-Based Thrombectomy: Registry Analysis and Proposal of a Classification System  
    	
      J. Kaesmacher, J. Gralla, P.J. Mosimann, F. Zibold, M.R. Heldner, E. Piechowiak, T. Dobrocky, M. Arnold, U. Fischer and P. Mordasini
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1848-1853; DOI: https://doi.org/10.3174/ajnr.A5759 
      
  
    	
      An intention-to-treat single-center cohort (n= 592) was re-evaluated for all patients in whom no reperfusion could be achieved (n = 63). Baseline characteristics were compared between patients with and without reperfusion failures. After qualitative review of all cases with reperfusion failures, a classification system was proposed and relative frequencies were reported. Reasons for reperfusion failure in stent-retriever thrombectomy are heterogeneous. The failure to establish intracranial or cervical access is almost as common as stent-retriever failure after establishing intracranial access. Systematic reporting standards of reasons may help to further estimate relative frequencies and thereby guide priorities.
      
  
  

      

  8. Heron, D.E.
    1. 
  
  
      
      Head & Neck 
      
  
      
      
  
      Negative Predictive Value of NI-RADS Category 2 in the First Posttreatment FDG-PET/CT in Head and Neck Squamous Cell Carcinoma  
    	
      P. Wangaryattawanich, B.F. Branstetter, M. Hughes, D.A. Clump, D.E. Heron and T.J. Rath
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1884-1888; DOI: https://doi.org/10.3174/ajnr.A5767 
      
  
  
  

      

  9. Hilditch, C.A.
    1. 
  
  
      
      Spine 
      
  
      
      
  
      Dilated Vein of the Filum Terminale on MRI: A Marker for Deep Lumbar and Sacral Dural and Epidural Arteriovenous Fistulas  
    	
      W. Brinjikji, C.A. Hilditch, J.M. Morris, A.A. Dmytriw, H. Cloft, V. Mendes Pereira, G. Lanzino and T. Krings
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1953-1956; DOI: https://doi.org/10.3174/ajnr.A5784 
      
  
  
  

      

  10. Hirsch, J.A.
    1. 
  
  
  
      
      
  
      Comparison of Advanced Imaging Resources, Radiology Workforce, and Payment Methodologies between the United States and Canada  
    	
      H.A. Valand, S. Chu, R. Bhala, R. Foley, J.A. Hirsch and R.K. Tu
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) 1785-1790; DOI: https://doi.org/10.3174/ajnr.A5755 
      
  
  
  

      

    2. 
  
  
      
      LETTER 
      
  
      
      
  
      Reply:  
    	
      R.V. Chandra, J. Maingard, H. Asadi, L.-A. Slater and J.A. Hirsch
      
  
    	
      American Journal of Neuroradiology October 2018, 39 (10) E110-E111; DOI: https://doi.org/10.3174/ajnr.A5781 
      
  
  
  

      

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