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The Kety-Schmidt technique for quantitative perfusion and oxygen metabolism measurements in the MR imaging
J J Lee1, W J Powers, C B Faulkner
1Mallinckrodt Institute of Radiology.
Summary:
The Kety-Schmidt technique provides quantitative measurement of whole-brain CBF. CBF is measured as the area between the arterial and venous washout curves of a diffusible tracer. Oxygen extraction and metabolism may be calculated from arterial and venous samples. In this report, we present a method for performing these measurements in an MR imaging environment. This technique could be useful for validation of MR imaging methods of hemodynamic and metabolic measurements in humans.
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