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Title

Continuous arterial spin labeling of mouse cerebral blood flow using an actively-detuned two-coil system at 9.4T.

Authors
Pilloud, Yves
Magill, Arthur W
Published in Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 2011, vol. 2011, p. 6993-6
Abstract Among numerous magnetic resonance imaging (MRI) techniques, perfusion MRI provides insight into the passage of blood through the brain's vascular network non-invasively. Studying disease models and transgenic mice would intrinsically help understanding the underlying brain functions, cerebrovascular disease and brain disorders. This study evaluates the feasibility of performing continuous arterial spin labeling (CASL) on all cranial arteries for mapping murine cerebral blood flow at 9.4 T. We showed that with an active-detuned two-coil system, a labeling efficiency of 0.82 ± 0.03 was achieved with minimal magnetization transfer residuals in brain. The resulting cerebral blood flow of healthy mouse was 99 ± 26 mL/100g/min, in excellent agreement with other techniques. In conclusion, high magnetic fields deliver high sensitivity and allowing not only CASL but also other MR techniques, i.e. (1)H MRS and diffusion MRI etc, in studying murine brains.
Keywords AnimalsArtifactsBlood-Brain BarrierBrain/blood supply/pathologyBrain Mapping/methodsCerebrovascular CirculationImage Processing, Computer-AssistedMagnetic FieldsMagnetic Resonance Imaging/methodsMagnetic Resonance Spectroscopy/methodsMaleMiceMice, Inbred C57BLModels, AnatomicModels, StatisticalReproducibility of ResultsSpin Labels
Identifiers
PMID: 22255948
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Article (Published version) (750 Kb) - public document Free access
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Research group CIBM (863)
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LEI, Hongxia et al. Continuous arterial spin labeling of mouse cerebral blood flow using an actively-detuned two-coil system at 9.4T. In: Conference proceedings : IEEE Engineering in Medicine and Biology Society, 2011, vol. 2011, p. 6993-6. https://archive-ouverte.unige.ch/unige:32993

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Deposited on : 2014-01-09

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