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PubMed2004

Frequency and natural history of subdural haemorrhages in babies and relation to obstetric factors.

BACKGROUND: Subdural haematomas are thought to be uncommon in babies born at term. This view is mainly based on findings in symptomatic neonates and babies in whom subdural haemorrhages are detected fortuitously. We aimed to establish the frequency of subdural haemorrhages in asymptomatic term neonates; to study the natural history of such subdural haematomas; and to ascertain which obstetric factors, if any, are associated with presence of subdural haematoma. METHODS: We did a prospective study in babies who were born in the Jessop wing of the Central Sheffield University Hospitals between March, 2001, and November, 2002. We scanned neonates with a 0.2 T magnetic resonance machine. FINDINGS: 111 babies underwent MRI in this study. 49 were born by normal vertex delivery without instrumentation, 25 by caesarean section, four with forceps, 13 ventouse, 18 failed ventouse leading to forceps, one failed ventouse leading to caesarean section, and one failed forceps leading to caesarean section. Nine babies had subdural haemorrhages: three were normal vaginal deliveries (risk 6.1%), five were delivered by forceps after an attempted ventouse delivery (27.8%), and one had a traumatic ventouse delivery (7.7%). All babies with subdural haemorrhage were assessed clinically but no intervention was needed. All were rescanned at 4 weeks and haematomas had completely resolved. INTERPRETATION: Presence of unilateral and bilateral subdural haemorrhage is not necessarily indicative of excessive birth trauma.

Apgar Score↗
PubMed1985

Anaesthesia for suction termination of pregnancy.

The effect of three anaesthetic techniques on blood loss and intra-uterine pressure changes in response to Syntocinon were studied in patients undergoing routine first trimester suction termination of pregnancy. All patients received a standard premedication, a bolus dose of fentanyl, intravenous induction of anaesthesia and maintenance with nitrous oxide and oxygen plus either intravenous supplementation or 0.5% halothane. Intra-uterine pressure was related to the anaesthetic technique used although blood loss was unrelated either to anaesthetic technique or to intra-uterine pressure changes.

Abortion, Induced↗