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Items: 1 to 20 of 217


CT cerebral blood flow maps optimally correlate with admission diffusion-weighted imaging in acute stroke but thresholds vary by postprocessing platform.

Kamalian S, Kamalian S, Maas MB, Goldmacher GV, Payabvash S, Akbar A, Schaefer PW, Furie KL, Gonzalez RG, Lev MH.

Stroke. 2011 Jul;42(7):1923-8. doi: 10.1161/STROKEAHA.110.610618. Epub 2011 May 5.


Perfusion computer tomography: imaging and clinical validation in acute ischaemic stroke.

Bivard A, Spratt N, Levi C, Parsons M.

Brain. 2011 Nov;134(Pt 11):3408-16. doi: 10.1093/brain/awr257.


Cerebral blood flow is the optimal CT perfusion parameter for assessing infarct core.

Campbell BC, Christensen S, Levi CR, Desmond PM, Donnan GA, Davis SM, Parsons MW.

Stroke. 2011 Dec;42(12):3435-40. doi: 10.1161/STROKEAHA.111.618355. Epub 2011 Oct 6.


CT perfusion mean transit time maps optimally distinguish benign oligemia from true "at-risk" ischemic penumbra, but thresholds vary by postprocessing technique.

Kamalian S, Kamalian S, Konstas AA, Maas MB, Payabvash S, Pomerantz SR, Schaefer PW, Furie KL, González RG, Lev MH.

AJNR Am J Neuroradiol. 2012 Mar;33(3):545-9. doi: 10.3174/ajnr.A2809. Epub 2011 Dec 22.


Influence of the arterial input function on absolute and relative perfusion-weighted imaging penumbral flow detection: a validation with ¹⁵O-water positron emission tomography.

Zaro-Weber O, Moeller-Hartmann W, Heiss WD, Sobesky J.

Stroke. 2012 Feb;43(2):378-85. doi: 10.1161/STROKEAHA.111.635458. Epub 2011 Dec 1.


Perfusion CT in acute stroke: predictive value of perfusion parameters in assessing tissue viability versus infarction.

Sparacia G, Iaia A, Assadi B, Lagalla R.

Radiol Med. 2007 Feb;112(1):113-22. Epub 2007 Feb 22. English, Italian.


Perfusion-CT assessment of infarct core and penumbra: receiver operating characteristic curve analysis in 130 patients suspected of acute hemispheric stroke.

Wintermark M, Flanders AE, Velthuis B, Meuli R, van Leeuwen M, Goldsher D, Pineda C, Serena J, van der Schaaf I, Waaijer A, Anderson J, Nesbit G, Gabriely I, Medina V, Quiles A, Pohlman S, Quist M, Schnyder P, Bogousslavsky J, Dillon WP, Pedraza S.

Stroke. 2006 Apr;37(4):979-85. Epub 2006 Mar 2.


Comparison of computed tomography perfusion and magnetic resonance imaging perfusion-diffusion mismatch in ischemic stroke.

Campbell BC, Christensen S, Levi CR, Desmond PM, Donnan GA, Davis SM, Parsons MW.

Stroke. 2012 Oct;43(10):2648-53. Epub 2012 Aug 2.


Comparison of perfusion computed tomography with diffusion-weighted magnetic resonance imaging in hyperacute ischemic stroke.

Bisdas S, Donnerstag F, Ahl B, Bohrer I, Weissenborn K, Becker H.

J Comput Assist Tomogr. 2004 Nov-Dec;28(6):747-55.


Admission CT perfusion is an independent predictor of hemorrhagic transformation in acute stroke with similar accuracy to DWI.

Souza LC, Payabvash S, Wang Y, Kamalian S, Schaefer P, Gonzalez RG, Furie KL, Lev MH.

Cerebrovasc Dis. 2012;33(1):8-15. doi: 10.1159/000331914. Epub 2011 Nov 30.


Perfusion CT in acute stroke: a comprehensive analysis of infarct and penumbra.

Bivard A, Levi C, Spratt N, Parsons M.

Radiology. 2013 May;267(2):543-50. doi: 10.1148/radiol.12120971. Epub 2012 Dec 21.


Value of perfusion computed tomography in acute ischemic stroke: diagnosis of infarct core and penumbra.

Pan J, Zhang J, Huang W, Cheng X, Ling Y, Dong Q, Geng D.

J Comput Assist Tomogr. 2013 Sep-Oct;37(5):645-9. doi: 10.1097/RCT.0b013e31829866fc.


Perfusion MRI (Tmax and MTT) correlation with xenon CT cerebral blood flow in stroke patients.

Olivot JM, Mlynash M, Zaharchuk G, Straka M, Bammer R, Schwartz N, Lansberg MG, Moseley ME, Albers GW.

Neurology. 2009 Mar 31;72(13):1140-5. doi: 10.1212/01.wnl.0000345372.49233.e3.


Comparison of admission perfusion computed tomography and qualitative diffusion- and perfusion-weighted magnetic resonance imaging in acute stroke patients.

Wintermark M, Reichhart M, Cuisenaire O, Maeder P, Thiran JP, Schnyder P, Bogousslavsky J, Meuli R.

Stroke. 2002 Aug;33(8):2025-31.


Multiphasic perfusion computed tomography in hyperacute ischemic stroke: comparison with diffusion and perfusion magnetic resonance imaging.

Na DG, Ryoo JW, Lee KH, Moon CH, Yi CA, Kim EY, Lee SJ, Yi BY, Kim JH, Byun HS.

J Comput Assist Tomogr. 2003 Mar-Apr;27(2):194-206.


Regional ischemic vulnerability of the brain to hypoperfusion: the need for location specific computed tomography perfusion thresholds in acute stroke patients.

Payabvash S, Souza LC, Wang Y, Schaefer PW, Furie KL, Halpern EF, Gonzalez RG, Lev MH.

Stroke. 2011 May;42(5):1255-60. doi: 10.1161/STROKEAHA.110.600940. Epub 2011 Apr 14.


Quantitative assessment of core/penumbra mismatch in acute stroke: CT and MR perfusion imaging are strongly correlated when sufficient brain volume is imaged.

Schaefer PW, Barak ER, Kamalian S, Gharai LR, Schwamm L, Gonzalez RG, Lev MH.

Stroke. 2008 Nov;39(11):2986-92. doi: 10.1161/STROKEAHA.107.513358. Epub 2008 Aug 21.


Do acute diffusion- and perfusion-weighted MRI lesions identify final infarct volume in ischemic stroke?

Rivers CS, Wardlaw JM, Armitage PA, Bastin ME, Carpenter TK, Cvoro V, Hand PJ, Dennis MS.

Stroke. 2006 Jan;37(1):98-104. Epub 2005 Dec 1.


Reperfusion phenomenon masking acute and subacute infarcts at dynamic perfusion CT: confirmation by fusion of CT and diffusion-weighted MR images.

Nagar VA, McKinney AM, Karagulle AT, Truwit CL.

AJR Am J Roentgenol. 2009 Dec;193(6):1629-38. doi: 10.2214/AJR.09.2664.


White matter thresholds for ischemic penumbra and infarct core in patients with acute stroke: CT perfusion study.

Murphy BD, Fox AJ, Lee DH, Sahlas DJ, Black SE, Hogan MJ, Coutts SB, Demchuk AM, Goyal M, Aviv RI, Symons S, Gulka IB, Beletsky V, Pelz D, Chan RK, Lee TY.

Radiology. 2008 Jun;247(3):818-25. doi: 10.1148/radiol.2473070551. Epub 2008 Apr 18.

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