Reflectance Photoplethysmography as Noninvasive Monitoring of Tissue Blood Perfusion

@article{Abay2015ReflectancePA,
  title={Reflectance Photoplethysmography as Noninvasive Monitoring of Tissue Blood Perfusion},
  author={Tomas Ysehak Abay and Panayiotis A. Kyriacou},
  journal={IEEE Transactions on Biomedical Engineering},
  year={2015},
  volume={62},
  pages={2187-2195}
}
In the last decades, photoplethysmography (PPG) has been used as a noninvasive technique for monitoring arterial oxygen saturation by pulse oximetry (PO), whereas near-infrared spectroscopy (NIRS) has been employed for monitoring tissue blood perfusion. While NIRS offers more parameters to evaluate oxygen delivery and consumption in deep tissues, PO only assesses the state of oxygen delivery. For a broader assessment of blood perfusion, this paper explores the utilization of dual-wavelength PPG… CONTINUE READING

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