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Related Experiment Videos

The neonate with unexpected acidemia

R C Goodlin1, W L Freedman, J G McFee

  • 1Department of Obstetrics and Gynecology, Denver General Hospital, University of Colorado Medical School.

The Journal of Reproductive Medicine
|February 1, 1994
PubMed
Summary
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Routine umbilical cord pH testing in neonates is not clinically or legally beneficial. Unexpected acidemia in healthy newborns rarely leads to adverse outcomes, questioning the necessity of widespread testing.

Area of Science:

  • Neonatal Medicine
  • Clinical Chemistry

Background:

  • Neonatal acidemia is a critical condition requiring careful evaluation.
  • The clinical significance of unexpected acidemia in otherwise healthy neonates remains unclear.

Purpose of the Study:

  • To determine the etiology and clinical significance of unexpected neonatal acidemia.
  • To evaluate the clinical and legal utility of routine umbilical cord pH measurements.

Main Methods:

  • Retrospective review of 11,203 deliveries at Denver General Hospital.
  • Defined neonatal acidemia as umbilical artery pH < 7.13.
  • Analyzed cases with expected (fetal distress) and unexpected acidemia.

Main Results:

  • Identified 59 neonates with unexpected acidemia and no clear etiology.

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  • 96% of neonates with unexpected acidemia were discharged with their mothers.
  • Routine testing cost over $880,000 with no apparent clinical or legal benefit.

    • Conclusions:

    • Unexpected neonatal acidemia in healthy newborns has minimal adverse outcomes.
    • Routine umbilical cord blood gas analysis is not clinically or legally indicated for all neonates.