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Br J Obstet Gynaecol. 1997 Oct;104(10):1123-7.

Long term outcome after umbilical artery acidaemia at term birth: influence of gender and duration of fetal heart rate abnormalities.

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  • 1Department of Obstetrics and Gynaecology, University Hospital, Lund, Sweden.

Abstract

OBJECTIVE:

To study the outcome after acidaemia at term birth, and the relation to gender and duration of pathological fetal heart rate changes.

DESIGN:

Population based study of 154 infants with umbilical artery pH < 7.05 at term birth. Neonatal outcome and the result of developmental screening at age four years were compared with a control group with pH > 7.10. Fetal heart rate traces in infants with acidaemia were reviewed, and the relation between duration of fetal heart rate changes and outcome was analysed.

RESULTS:

Of the 154 newborns with acidaemia at birth, 10 had encephalopathy, of which two died and two developed cerebral palsy. Nine of these 10 infants were boys, and eight had pH < 7.00. Male newborns (n = 39) more often had pronounced acidaemia (pH < 7.00) than females (n = 22). Although few infants had severe impairment, infants born with acidaemia significantly more often had speech problems at follow up than controls (19/102 versus 8/98; P = 0.03). In infants with acidaemia, duration of abnormal fetal heart rate changes was significantly associated with neonatal encephalopathy and speech problems at age four years.

CONCLUSIONS:

Acidaemia at term birth was associated with neonatal encephalopathy and with speech problems at four years of age. Boys had more often pronounced acidaemia and a complicated course. A protracted abnormal fetal heart rate trace was associated with poor outcome.

PMID:
9332988
[PubMed - indexed for MEDLINE]
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