Assessment of regional cerebral blood flow by dynamic susceptibility contrast MRI using different deconvolution techniques

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Wirestam, RonnieLund University,Lunds universitet,Medicinsk strålningsfysik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Medical Radiation Physics, Lund,Section V,Department of Clinical Sciences, Lund,Faculty of Medicine (author)

Assessment of regional cerebral blood flow by dynamic susceptibility contrast MRI using different deconvolution techniques

Article/chapterEnglish2000

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2000

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LIBRIS-ID:oai:lup.lub.lu.se:5e61b821-9cfd-42d1-9529-724bf148c5c5
https://lup.lub.lu.se/record/1116291URI
https://doi.org/10.1002/(SICI)1522-2594(200005)43:5<691::AID-MRM11>3.0.CO;2-BDOI

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Language:English
Summary in:English

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Regional cerebral blood flow (rCBF) was assessed using dynamic susceptibility-contrast MRI at 1.5 T. A simultaneous dual FLASH pulse sequence and Gd-DTPA-BMA (0.3 mmol/kg b.w.) were used for examination of 43 volunteers, measuring rCBF in frontal white matter (WM) and in gray matter in the thalamus (GM). Arterial input functions (AIFs) were registered 1) in the carotid artery and 2) in an artery within the GM/WM slice. The measured concentration-vs. -time curve was deconvolved with the AIF using both Fourier Transform (FT) and Singular Value Decomposition (SVD). Relative rCBF was given by the height of the deconvolved response curve. For each volunteer, eight different rCBF maps were calculated, representing different combinations of deconvolution techniques, AIFs, and filters. The average GM-WM rCBF ratios ranged from 2.0-2.2, depending on methodology. Absolute rCBF was 68 +/- 28 ml/(min 100 g) in GM and 35 +/- 13 ml/(min 100g) in WM (mean +/- SD, n = 39). GM-WM rCBF ratios obtained using SVD were 6-10% higher than corresponding ratios obtained using FT.

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MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Radiologi och bildbehandling hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Radiology, Nuclear Medicine and Medical Imaging hsv//eng
cerebral blood flow (CBF)
dynamic susceptibility-contrast magnetic resonance imaging (MRI)
nonparametric deconvolution
arterial input function

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Knutsson, LindaLund University,Lunds universitet,Medicinsk strålningsfysik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,MR Physics,Forskargrupper vid Lunds universitet,Medical Radiation Physics, Lund,Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund University Research Groups(Swepub:lu)rafy-lan (author)
Ostergaard, Leif (author)
Bolling, Max (author)
Aunola, Juha-Petri (author)
Lindgren, ArneLund University,Lunds universitet,Neurologi, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Neurology, Lund,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)neur-ali (author)
Geijer, BoLund University,Lunds universitet,Diagnostisk radiologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Diagnostic Radiology, (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)drad-bge (author)
Holtås, StigLund University,Lunds universitet,Diagnostisk radiologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Diagnostic Radiology, (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)drad-sho (author)
Ståhlberg, FreddyLund University,Lunds universitet,Diagnostisk radiologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Medicinsk strålningsfysik, Lund,Institutionen för kliniska vetenskaper, Lund,Diagnostic Radiology, (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Medical Radiation Physics, Lund,Department of Clinical Sciences, Lund(Swepub:lu)rafy-fst (author)
Medicinsk strålningsfysik, LundSektion V (creator_code:org_t)

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In:Magnetic Resonance in Medicine43:5, s. 691-7001522-2594

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By the author/editor: Wirestam, Ronnie; Knutsson, Linda; Ostergaard, Leif; Bolling, Max; Aunola, Juha-Pet ...; Lindgren, Arne; show more...; Geijer, Bo; Holtås, Stig; Ståhlberg, Fredd ...; show less...

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