PRECISION OF CEREBRAL BLOOD FLOW (CBF) MEASUREMENT BY NEAR INFRARED SPECTROSCOPY (NIRS)

Nature

PRECISION OF CEREBRAL BLOOD FLOW (CBF) MEASUREMENT BY NEAR INFRARED SPECTROSCOPY (NIRS)"


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We recently described a new method for the cotside measurement of CBF in sick newborn infants using NIRS (Lancet 1988;ii:770). The method is based on the Fick principle and uses small


changes of inspired oxygen concentration to cause changes in cerebral oxyhaemoglobin concentration (DHbO2). DHbO2 behaves as an intravascular tracer which can be observed using NIRS.


Measurements made on the adult forearm by this method and be venous occlusion plethysmography showed good correspondence (n=14, y=0.91x+0.16, r=0.94, p


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PRECISION OF CEREBRAL BLOOD FLOW (CBF) MEASUREMENT BY NEAR INFRARED SPECTROSCOPY (NIRS)

We recently described a new method for the cotside measurement of CBF in sick newborn infants using NIRS (Lancet 1988;ii...

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