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Comparison of peripheral and cerebral tissue oxygenation index in neonates
  1. K Grossauer,
  2. G Pichler,
  3. G Schmölzer,
  4. H Zotter,
  5. W Mueller,
  6. B Urlesberger
  1. Division of Neonatology, Department of Pediatrics, Medical University of Graz, Austria
  1. Dr G Pichler, Division of Neonatology, Department of Pediatrics, University of Graz, Auenbruggerplatz 30, A-8036 Graz, Austria; pichler.gerhard{at}klinikum-graz.at

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Near-infrared spectroscopy (NIRS) is a non-invasive method to measure haemoglobin and tissue oxygenation continuously. Measurement of “cerebral tissue oxygenation index” (c-TOI)1 and “peripheral tissue oxygenation index” (p-TOI)2 is based on spatially resolved spectroscopy (SRS). SRS is realised with one light detector having sensors at different distances. The aim of the present study was to measure c-TOI and p-TOI simultaneously to compare the two values.

NIRS measurements were carried out in 20 term and preterm infants (gestational age >29 weeks and birth weight >1200 g) within the first 8 weeks after birth. At time of measurements the infants had …

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