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Am J Obstet Gynecol. 1994 Apr;170(4):1081-7.

Newborn complications after intrapartum asphyxia with metabolic acidosis in the term fetus.

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1
Department of Obstetrics and Gynecology, Queen's University, Kingston, Ontario, Canada.

Abstract

OBJECTIVES:

Our purpose was to determine the newborn complications after respiratory or metabolic acidosis at delivery and to demonstrate the characteristics of an asphyxial insult predictive of these complications.

STUDY DESIGN:

Fifty-nine term fetuses with metabolic acidosis were matched with 59 fetuses with normal blood gas measures at delivery. Fifty-one fetuses with respiratory acidosis were also examined. A complication score expressed the magnitude of newborn complications during the 10 days after delivery.

RESULTS:

Newborn complications were not increased after respiratory acidosis. Newborn complications after metabolic acidosis increase in frequency and severity with the increasing severity and duration of the metabolic acidosis. Thirty-two of the 59 newborns in the metabolic acidosis group had a high complication score. The index values predictive of high scores were the duration of the metabolic acidosis and the Apgar score at 1 minute.

CONCLUSIONS:

Intrapartum fetal asphyxia with a severe metabolic acidosis accounts for complications in all newborn systems. The probability of a high complication score increases from 14% with favorable index values to 85% with unfavorable index values.

PMID:
8166190
[Indexed for MEDLINE]
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