Correction for arterial-tissue delay and dispersion in absolute quantitative cerebral perfusion DSC MR imaging

Jessy J. Mouannes-Srour, Wanyong Shin, Sameer A. Ansari, Michael C. Hurley, Parmede Vakil, Bernard Bendok, John L. Lee, Colin P. Derdeyn, Timothy J. Carroll

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The singular value decomposition deconvolution of cerebral tissue concentration-time curves with the arterial input function is commonly used in dynamic susceptibility contrast cerebral perfusion MR imaging. However, it is sensitive to the time discrepancy between the arrival of the bolus in the tissue concentration-time curve and the arterial input function signal. This normally causes inaccuracy in the quantitative perfusion maps due to delay and dispersion effects. A comprehensive correction algorithm has been achieved through slice-dependent time-shifting of the arterial input function, and a delay-dependent dispersion correction model. The correction algorithm was tested in 11 healthy subjects and three ischemic stroke patients scanned with a quantitative perfusion pulse sequence at 1.5 T. A validation study was performed on five patients with confirmed cerebrovascular occlusive disease scanned with MRI and positron emission tomography at 3.0 T. A significant effect (P < 0.05) was reported on the quantitative cerebral blood flow and mean transit time measurements (up to 50%). There was no statistically significant effect on the quantitative cerebral blood volume values. The in vivo results were in agreement with the simulation results, as well as previous literature. This minimizes the bias in patient diagnosis due to the existing errors and artifacts in dynamic susceptibility contrast imaging. Magn Reson Med, 2012. © 2011 Wiley Periodicals, Inc.

Original languageEnglish (US)
Pages (from-to)495-506
Number of pages12
JournalMagnetic Resonance in Medicine
Volume68
Issue number2
DOIs
StatePublished - Aug 2012
Externally publishedYes

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Perfusion
Cerebrovascular Circulation
Cerebrovascular Disorders
Perfusion Imaging
Validation Studies
Positron-Emission Tomography
Artifacts
Healthy Volunteers
Stroke

Keywords

  • arterial-tissue delay and dispersion
  • ischemic stroke
  • quantitative cerebral perfusion
  • singular value decomposition

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Correction for arterial-tissue delay and dispersion in absolute quantitative cerebral perfusion DSC MR imaging. / Mouannes-Srour, Jessy J.; Shin, Wanyong; Ansari, Sameer A.; Hurley, Michael C.; Vakil, Parmede; Bendok, Bernard; Lee, John L.; Derdeyn, Colin P.; Carroll, Timothy J.

In: Magnetic Resonance in Medicine, Vol. 68, No. 2, 08.2012, p. 495-506.

Research output: Contribution to journalArticle

Mouannes-Srour, JJ, Shin, W, Ansari, SA, Hurley, MC, Vakil, P, Bendok, B, Lee, JL, Derdeyn, CP & Carroll, TJ 2012, 'Correction for arterial-tissue delay and dispersion in absolute quantitative cerebral perfusion DSC MR imaging', Magnetic Resonance in Medicine, vol. 68, no. 2, pp. 495-506. https://doi.org/10.1002/mrm.23257
Mouannes-Srour, Jessy J. ; Shin, Wanyong ; Ansari, Sameer A. ; Hurley, Michael C. ; Vakil, Parmede ; Bendok, Bernard ; Lee, John L. ; Derdeyn, Colin P. ; Carroll, Timothy J. / Correction for arterial-tissue delay and dispersion in absolute quantitative cerebral perfusion DSC MR imaging. In: Magnetic Resonance in Medicine. 2012 ; Vol. 68, No. 2. pp. 495-506.
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