Muscle capillary blood flow kinetics estimated from pulmonary O2 uptake and near-infrared spectroscopy.

@article{Ferreira2005MuscleCB,
  title={Muscle capillary blood flow kinetics estimated from pulmonary O2 uptake and near-infrared spectroscopy.},
  author={Leonardo F Ferreira and Dana K Townsend and Barbara J. Lutjemeier and Thomas Barstow},
  journal={Journal of applied physiology},
  year={2005},
  volume={98 5},
  pages={
          1820-8
        }
}
The near-infrared spectroscopy (NIRS) signal (deoxyhemoglobin concentration; [HHb]) reflects the dynamic balance between muscle capillary blood flow (Q(cap)) and muscle O(2) uptake (Vo(2)(m)) in the microcirculation. The purposes of the present study were to estimate the time course of Q(cap) from the kinetics of the primary component of pulmonary O(2) uptake (Vo(2)(p)) and [HHb] throughout exercise, and compare the Q(cap) kinetics with the Vo(2)(p) kinetics. Nine subjects performed moderate… CONTINUE READING

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