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Arterialisation of transcutaneous oxygen and carbon dioxide.
  1. E Broadhurst,
  2. P Helms,
  3. H Vyas,
  4. G Cheriyan
  1. Hospital for Sick Children, Institute of Child Health, London.


    We compared previously calculated global correction factors for oxygen and carbon dioxide arterial/transcutaneous ratios with individual in vivo calibrations from the first arterial sample. In infants beyond the neonatal period and older children in vivo calibration confers little benefit over the use of a global calibration correction factor for transcutaneous carbon dioxide, and may reduce the precision with which arterial oxygen can be estimated from transcutaneous oxygen.

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