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Peripheral oxygenation in term neonates
  1. G Pichler1,
  2. K Grossauer1,
  3. P Klaritsch2,
  4. J Kutschera1,
  5. H Zotter1,
  6. W Müller1,
  7. B Urlesberger1
  1. 1Division of Neonatology, Department of Pediatrics University of Graz, Medical University, Graz, Austria
  2. 2Department of Obstetrics and Gynecology, Division of Obstetrics, Medical University
  1. Correspondence to:
    G Pilcher
    Department of Paediatrics, University of Graz, Auenbruggerplatz 30, 8036 Graz, Austria;Gerhard.Pichler2{at}


The aim of this study was to analyse changes in peripheral oxygenation in healthy term neonates within the first week of life with near-infrared spectroscopy and venous occlusion. Oxygen delivery did not change with increasing age. Oxygen consumption and fractional oxygen extraction increased, whereas tissue oxygenation index decreased with increasing age.

  • DO2, oxygen delivery
  • FOE, fractional oxygen extraction
  • Hbflow, haemoglobin flow
  • MAP, mean arterial pressure
  • NIRS, near-infrared spectroscopy
  • SaO2, oxygen saturation (haemoglobin)
  • SvO2, mixed venous oxygenation
  • TOI, tissue oxygenation index
  • VO2, oxygen consumption

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  • Competing interests: None declared.