Near-infrared spectroscopy measurement of the pulsatile component of cerebral blood flow and volume from arterial oscillations.

@article{Themelis2007NearinfraredSM,
  title={Near-infrared spectroscopy measurement of the pulsatile component of cerebral blood flow and volume from arterial oscillations.},
  author={George Themelis and Helen D'Arceuil and Solomon Gilbert Diamond and Sonal Thaker and Theodore J. Huppert and David A. Boas and Maria Angela Franceschini},
  journal={Journal of biomedical optics},
  year={2007},
  volume={12 1},
  pages={014033}
}
We describe a near-infrared spectroscopy (NIRS) method to noninvasively measure relative changes in the pulsate components of cerebral blood flow (pCBF) and volume (pCBV) from the shape of heartbeat oscillations. We present a model that is used and data to show the feasibility of the method. We use a continuous-wave NIRS system to measure the arterial oscillations originating in the brains of piglets. Changes in the animals' CBF are induced by adding CO(2) to the breathing gas. To study the… CONTINUE READING
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