Ostergaard L - Search Results

1

High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part II: Experimental comparison and preliminary results.

Ostergaard L, Sorensen AG, Kwong KK, Weisskoff RM, Gyldensted C, Rosen BR. Ostergaard L, et al. Magn Reson Med. 1996 Nov;36(5):726-36. doi: 10.1002/mrm.1910360511. Magn Reson Med. 1996. PMID: 8916023

2

Tracer arrival timing-insensitive technique for estimating flow in MR perfusion-weighted imaging using singular value decomposition with a block-circulant deconvolution matrix.

Wu O, Østergaard L, Weisskoff RM, Benner T, Rosen BR, Sorensen AG. Wu O, et al. Among authors: ostergaard l. Magn Reson Med. 2003 Jul;50(1):164-74. doi: 10.1002/mrm.10522. Magn Reson Med. 2003. PMID: 12815691 Free article.

3

Effects of tracer arrival time on flow estimates in MR perfusion-weighted imaging.

Wu O, Østergaard L, Koroshetz WJ, Schwamm LH, O'Donnell J, Schaefer PW, Rosen BR, Weisskoff RM, Sorensen AG. Wu O, et al. Among authors: ostergaard l. Magn Reson Med. 2003 Oct;50(4):856-64. doi: 10.1002/mrm.10610. Magn Reson Med. 2003. PMID: 14523973 Free article.

4

MR perfusion studies with T1-weighted echo planar imaging.

Kwong KK, Chesler DA, Weisskoff RM, Donahue KM, Davis TL, Ostergaard L, Campbell TA, Rosen BR. Kwong KK, et al. Among authors: ostergaard l. Magn Reson Med. 1995 Dec;34(6):878-87. doi: 10.1002/mrm.1910340613. Magn Reson Med. 1995. PMID: 8598815

5

High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part I: Mathematical approach and statistical analysis.

Ostergaard L, Weisskoff RM, Chesler DA, Gyldensted C, Rosen BR. Ostergaard L, et al. Magn Reson Med. 1996 Nov;36(5):715-25. doi: 10.1002/mrm.1910360510. Magn Reson Med. 1996. PMID: 8916022

6

Contrast agents in functional MR imaging.

Sorensen AG, Tievsky AL, Ostergaard L, Weisskoff RM, Rosen BR. Sorensen AG, et al. Among authors: ostergaard l. J Magn Reson Imaging. 1997 Jan-Feb;7(1):47-55. doi: 10.1002/jmri.1880070108. J Magn Reson Imaging. 1997. PMID: 9039593 Review.

7

Perfusion-weighted imaging defects during spontaneous migrainous aura.

Cutrer FM, Sorensen AG, Weisskoff RM, Ostergaard L, Sanchez del Rio M, Lee EJ, Rosen BR, Moskowitz MA. Cutrer FM, et al. Among authors: ostergaard l. Ann Neurol. 1998 Jan;43(1):25-31. doi: 10.1002/ana.410430108. Ann Neurol. 1998. PMID: 9450765

8

Early changes measured by magnetic resonance imaging in cerebral blood flow, blood volume, and blood-brain barrier permeability following dexamethasone treatment in patients with brain tumors.

Ostergaard L, Hochberg FH, Rabinov JD, Sorensen AG, Lev M, Kim L, Weisskoff RM, Gonzalez RG, Gyldensted C, Rosen BR. Ostergaard L, et al. J Neurosurg. 1999 Feb;90(2):300-5. doi: 10.3171/jns.1999.90.2.0300. J Neurosurg. 1999. PMID: 9950501

9

Hyperacute stroke: simultaneous measurement of relative cerebral blood volume, relative cerebral blood flow, and mean tissue transit time.

Sorensen AG, Copen WA, Ostergaard L, Buonanno FS, Gonzalez RG, Rordorf G, Rosen BR, Schwamm LH, Weisskoff RM, Koroshetz WJ. Sorensen AG, et al. Among authors: ostergaard l. Radiology. 1999 Feb;210(2):519-27. doi: 10.1148/radiology.210.2.r99fe06519. Radiology. 1999. PMID: 10207439

10

Combined diffusion-weighted and perfusion-weighted flow heterogeneity magnetic resonance imaging in acute stroke.

Ostergaard L, Sorensen AG, Chesler DA, Weisskoff RM, Koroshetz WJ, Wu O, Gyldensted C, Rosen BR. Ostergaard L, et al. Stroke. 2000 May;31(5):1097-103. doi: 10.1161/01.str.31.5.1097. Stroke. 2000. PMID: 10797171

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