Patient characteristics, vital signs and tcpCO2 dynamics significantly influence tcpCO2 accuracy in extremely preterm infants: an observational study - Takeaways - MDSpire

Patient characteristics, vital signs and tcpCO2 dynamics significantly influence tcpCO2 accuracy in extremely preterm infants: an observational study

  • By

  • Lena Olivier

  • Camelia Lauterbach Oprea

  • André Stollenwerk

  • Valerie Pfannschmidt

  • Thorsten Orlikowsky

  • Mark Schoberer

  • July 2, 2026

  • 0 min

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  • 1

    The study analyzed factors influencing the accuracy of tcpCO2 measurements in extremely preterm infants during their first week of life.

  • 2

    500 tcpCO2 measurements from 29 extremely preterm infants were evaluated using linear mixed-effects models.

  • 3

    Postnatal age, mean fraction of inspired oxygen, and tcpCO2 were positively associated with the difference between tcpCO2 and capillary pCO2.

  • 4

    Gestational age and hemoglobin levels were found to be negatively associated with the difference between tcpCO2 and capillary pCO2.

  • 5

    The findings suggest that specific patient characteristics and vital signs may enhance non-invasive pCO2 estimation from tcpCO2.

Original Source(s)

Patient characteristics, vital signs and tcpCO2 dynamics significantly influence tcpCO2 accuracy in extremely preterm infants: an observational study

  • by Lena Olivier, Camelia Lauterbach Oprea, André Stollenwerk, Valerie Pfannschmidt, Thorsten Orlikowsky, Mark Schoberer

  • July 2, 2026

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