1naresh
Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)
1naresh
Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)
1naresh
Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)
1naresh
Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)
1naresh
Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => FreeToRead
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)


  
    















































































































    Functional MR Imaging in Patients with Carotid Artery Stenosis before and after Revascularization | American Journal of Neuroradiology  
    

















    





























    
  
  




    
    

  

      


    

      

  
  
  

    

  

    

  

                
    

      

  

    

  
      
  
  

    


Advertisement



  



  


  
  



  



    

  


  


  


  
  
  
  
  
  

  	      



          


    
      

    
  
    
        
    

  

    
                        

  

                
    

      

	  

		
		

			

			  

  
      
  
  

    

  
  
      
Research ArticleFunctionalE

  
      

  
      
Functional MR Imaging in Patients with Carotid Artery Stenosis before and after Revascularization
  
    	
M. Schaaf, G. Mommertz, A. Ludolph, S. Geibprasert, G. Mühlenbruch, M. Das and T. Krings

  
    	
American Journal of Neuroradiology November 2010,  31 (10) 1791-1798; DOI: https://doi.org/10.3174/ajnr.A2219 

  
  
  



  


  
  



			

		

	
	
 	
	  
  

		
		

			

			  

  
      
  
  

    
  


  
  



  
      
  
  

    

  

    

  
      
  
  

    
References
  1. 1.↵


    1. Caplan  LR, 
    2. Wong  KS, 
    3. Gao  S, 
    4. et al
    . Is hypoperfusion an important cause of strokes? If so, how? Cerebrovasc Dis 2006;21:145–53
    CrossRefPubMedWeb of Science
  2. 2.↵


    1. Powers  WJ, 
    2. Press  GA, 
    3. Grubb  RL  Jr., 
    4. et al
    . The effect of hemodynamically significant carotid artery disease on the hemodynamic status of the cerebral circulation. Ann Intern Med 1987;106:27–34
    CrossRefPubMedWeb of Science
  3. 3.↵


    1. Doerfler  A, 
    2. Eckstein  HH, 
    3. Eichbaum  M, 
    4. et al
    . Perfusion-weighted magnetic resonance imaging in patients with carotid artery disease before and after carotid endarterectomy. J Vasc Surg 2001;34:587–93
    CrossRefPubMed
  4. 4.↵


    1. Pineiro  R, 
    2. Pendlebury  S, 
    3. Johansen-Berg  H, 
    4. et al
    . Altered hemodynamic responses in patients after subcortical stroke measured by functional MRI. Stroke 2002;33:103–09
    Abstract/FREE Full Text
  5. 5.↵


    1. Gordon  GR, 
    2. Mulligan  SJ, 
    3. MacVicar  BA
    . Astrocyte control of the cerebrovasculature. Glia 2007;55:1214–21
    CrossRefPubMedWeb of Science
  6. 6.↵


    1. Rossi  DJ, 
    2. Brady  JD, 
    3. Mohr  C
    . Astrocyte metabolism and signaling during brain ischemia. Nat Neurosci 2007;10:1377–86
    CrossRefPubMedWeb of Science
  7. 7.↵


    1. Kwong  KK, 
    2. Belliveau  JW, 
    3. Chesler  DA, 
    4. et al
    . Dynamic magnetic resonance imaging of human brain activity during primary sensory stimulation. Proc Natl Acad Sci U S A 1992;89:5675–79
    Abstract/FREE Full Text
  8. 8.↵


    1. D'Esposito  M, 
    2. Deouell  LY, 
    3. Gazzaley  A
    . Alterations in the BOLD fMRI signal with ageing and disease: a challenge for neuroimaging. Nat Rev Neurosci 2003;4:863–72
    CrossRefPubMedWeb of Science
  9. 9.↵


    1. Ogawa  S, 
    2. Lee  TM, 
    3. Kay  AR, 
    4. et al
    . Brain magnetic resonance imaging with contrast dependent on blood oxygenation. Proc Natl Acad Sci U S A 1990;87:9868–72
    Abstract/FREE Full Text
  10. 10.↵


    1. Ziyeh  S, 
    2. Rick  J, 
    3. Reinhard  M, 
    4. et al
    . Blood oxygen level-dependent MRI of cerebral CO2 reactivity in severe carotid stenosis and occlusion. Stroke 2005;36:751–56
    Abstract/FREE Full Text
  11. 11.↵


    MRC European Carotid Surgery Trial: interim results for symptomatic patients with severe (70–99%) or with mild (0–29%) carotid stenosis—European Carotid Surgery Trialists' Collaborative Group. Lancet 1991;337:1235–43
    CrossRefPubMedWeb of Science
  12. 12.↵


    Endarterectomy for asymptomatic carotid artery stenosis: Executive Committee for the Asymptomatic Carotid Atherosclerosis Study. JAMA 1995;273:1421–28
    CrossRefPubMedWeb of Science
  13. 13.↵


    1. Hino  A, 
    2. Tenjin  H, 
    3. Horikawa  Y, 
    4. et al
    . Hemodynamic and metabolic changes after carotid endarterectomy in patients with high-degree carotid artery stenosis. J Stroke Cerebrovasc Dis 2005;14:234–38
    CrossRefPubMed
  14. 14.↵


    1. Fox  AJ
    . How to measure carotid stenosis. Radiology 1993;186:316–18
    PubMedWeb of Science
  15. 15.↵


    Beneficial effect of carotid endarterectomy in symptomatic patients with high-grade carotid stenosis: North American Symptomatic Carotid Endarterectomy Trial Collaborators. N Engl J Med 1991;325:445–53
    CrossRefPubMedWeb of Science
  16. 16.↵


    1. Mansfield  P
    . Real-time echo-planar imaging by NMR. Br Med Bull 1984;40:187–90
    FREE Full Text
  17. 17.↵


    1. Talairach  J, 
    2. Tournoux  P
    . Co-planar Stereotaxic Atlas of the Human Brain: 3-Dimensional Proportional System-an Approach to Cerebral Imaging. New York: Thieme, 1988
  18. 18.↵


    1. Yousry  TA, 
    2. Schmid  UD, 
    3. Alkadhi  H, 
    4. et al
    . Localization of the motor hand area to a knob on the precentral gyrus: a new landmark. Brain 1997;120(pt 1):141–57
    Abstract/FREE Full Text
  19. 19.↵


    1. Haller  S, 
    2. Bonati  LH, 
    3. Rick  J, 
    4. et al
    . Reduced cerebrovascular reserve at CO2 BOLD MR imaging is associated with increased risk of periinterventional ischemic lesions during carotid endarterectomy or stent placement: preliminary results. Radiology 2008;249:251–58
    CrossRefPubMed
  20. 20.↵


    1. Jensen  U, 
    2. Boersch  K, 
    3. Stingele  R, 
    4. et al
    . Hemodynamic assessment of carotid stenosis by functional magnetic resonance imaging. Cerebrovasc Dis 2008;26:231–36
    CrossRefPubMed
  21. 21.↵


    1. Wilkinson  ID, 
    2. Griffiths  PD, 
    3. Hoggard  N, 
    4. et al
    . Short-term changes in cerebral microhemodynamics after carotid stenting. AJNR Am J Neuroradiol 2003;24:1501–07
    Abstract/FREE Full Text
  22. 22.↵


    1. Prabhakaran  V, 
    2. Raman  SP, 
    3. Grunwald  MR, 
    4. et al
    . Neural substrates of word generation during stroke recovery: the influence of cortical hypoperfusion. Behav Neurol 2007;18:45–52
    PubMed
  23. 23.↵


    1. Hund-Georgiadis  M, 
    2. Mildner  T, 
    3. Georgiadis  D, 
    4. et al
    . Impaired hemodynamics and neural activation? A fMRI study of major cerebral artery stenosis. Neurology 2003;61:1276–79
    Abstract/FREE Full Text
  24. 24.↵


    1. Chmayssani  M, 
    2. Lazar  RM, 
    3. Hirsch  J, 
    4. et al
    . Reperfusion normalizes motor activation patterns in large-vessel disease. Ann Neurol 2009;65:203–08
    CrossRefPubMed
  25. 25.↵


    1. Krakauer  JW, 
    2. Radoeva  PD, 
    3. Zarahn  E, 
    4. et al
    . Hypoperfusion without stroke alters motor activation in the opposite hemisphere. Ann Neurol 2004;56:796–802
    CrossRefPubMedWeb of Science
  26. 26.↵


    1. Carusone  LM, 
    2. Srinivasan  J, 
    3. Gitelman  DR, 
    4. et al
    . Hemodynamic response changes in cerebrovascular disease: implications for functional MR imaging. AJNR Am J Neuroradiol 2002;23:1222–28
    Abstract/FREE Full Text
  27. 27.↵


    1. Schmidt  P, 
    2. Krings  T, 
    3. Willmes  K, 
    4. et al
    . Determination of cognitive hemispheric lateralization by “functional” transcranial Doppler cross-validated by functional MRI. Stroke 1999;30:939–45
    Abstract/FREE Full Text
  28. 28.↵


    1. Silvestrini  M, 
    2. Troisi  E, 
    3. Matteis  M, 
    4. et al
    . Transcranial Doppler assessment of cerebrovascular reactivity in symptomatic and asymptomatic severe carotid stenosis. Stroke 1996;27:1970–73
    Abstract/FREE Full Text
  29. 29.↵


    1. Terborg  C, 
    2. Gora  F, 
    3. Weiller  C, 
    4. et al
    . Reduced vasomotor reactivity in cerebral microangiopathy: a study with near-infrared spectroscopy and transcranial Doppler sonography. Stroke 2000;31:924–29
    Abstract/FREE Full Text
  30. 30.↵


    1. Ko  NU, 
    2. Achrol  AS, 
    3. Chopra  M, 
    4. et al
    . Cerebral blood flow changes after endovascular treatment of cerebrovascular stenoses. AJNR Am J Neuroradiol 2005;26:538–42
    Abstract/FREE Full Text
  31. 31.↵


    1. Guix  FX, 
    2. Uribesalgo  I, 
    3. Coma  M, 
    4. et al
    . The physiology and pathophysiology of nitric oxide in the brain. Prog Neurobiol 2005;76:126–52
    CrossRefPubMedWeb of Science
  32. 32.↵


    1. Rutgers  DR, 
    2. Klijn  CJ, 
    3. Kappelle  LJ, 
    4. et al
    . Sustained bilateral hemodynamic benefit of contralateral carotid endarterectomy in patients with symptomatic internal carotid artery occlusion. Stroke 2001;32:728–34
    Abstract/FREE Full Text
  33. 33.↵


    1. Hesselmann  V, 
    2. Zaro Weber  O, 
    3. Wedekind  C, 
    4. et al
    . Age-related signal decrease in functional magnetic resonance imaging during motor stimulation in humans. Neurosci Lett 2001;308:141–44
    CrossRefPubMedWeb of Science
  34. 34.↵


    1. Kluytmans  M, 
    2. van der Grond  J, 
    3. Eikelboom  BC, 
    4. et al
    . Long-term hemodynamic effects of carotid endarterectomy. Stroke 1998;29:1567–72
    Abstract/FREE Full Text
  35. 35.↵


    1. Mandell  DM, 
    2. Han  JS, 
    3. Poublanc  J, 
    4. et al
    . Mapping cerebrovascular reactivity using blood oxygen level-dependent MRI in patients with arterial steno-occlusive disease: comparison with arterial spin labeling MRI. Stroke 2008;39:2021–28
    Abstract/FREE Full Text
  


  
  



  




  


  
  



  
      
  
  

    
  


  
  



  
      
  
  

     Back to top  


  
  



			

		

		
		

			

			  

  
        
In this issue

    
  
  

    
  


  
  



  
      
  
  

    

  

    

  
      
  
  

    


Advertisement



  



  


  
  



  



  


  
  



  
      
  
  

    

	  
  

		

          

            

  
      
  
  

     Print  


  
  



  
      
  
  

     Download PDF  


  
  



  
      
  
  

    
 Email Article
  


  
  



  
      
  
  

    
 Citation Tools
  


  
  



          

        

        
        

          

            



  
      
  
  

    

  

    

  
      
  
  

    

  
  
  
  
      
Functional MR Imaging in Patients with Carotid Artery Stenosis before and after Revascularization
  
    	
M. Schaaf, G. Mommertz, A. Ludolph, S. Geibprasert, G. Mühlenbruch, M. Das, T. Krings

  
    	
American Journal of Neuroradiology Nov 2010, 31 (10) 1791-1798; DOI: 10.3174/ajnr.A2219 

  
  
  



  


  
  



  
      
  
  

    

  
    
  
  
    
  
  
    
  


  


  
  



  
      
  
  

    
del.icio.us logo Twitter logo Facebook logo Mendeley logo
  


  
  



  



  


  
  



  
      
  
  

    
  


  
  



          

        

	
 	
	
	


  


  
  



  
      
  
  

    
              Purchase  


  
  



  
        
Jump to section

    
  
  

    
  


  
  



  
      
  
  

    
  


  
  



			

		

	
	
 	
	
	


    

  



  

                
    

      

  

    

  
      
  
  

    


Advertisement