• M W Davies, J C Harrison, and T D Ryan.
• Department of Anaesthesia, Liverpool Maternity Hospital, Merseyside.
• Anaesthesia. 1993 Jan 1;48(1):63-5.

AbstractA postal survey of all maternity units in the United Kingdom was conducted to gain information regarding policies for epidural analgesia for labour. The average epidural rate was 19.7% and 78% of units offered a 24-h service. The majority of units inserted the epidural with the patient in the lateral position, using a midline approach, with loss of resistance to air and saline being used almost equally. Most units used 3 ml of 0.5% bupivacaine as a test dose, and only 10% of units used adrenaline in the test dose. The use of adrenaline in subsequent top-ups was infrequent. Bupivacaine 0.5% was used most frequently for the initial and the second stage top-up, whereas 0.25% was most often used during the first stage of labour. Midwife top-ups were allowed in 75% of units and in only 14% of cases was this from a local anaesthetic reservoir. Epidural analgesia using a continuous infusion of anaesthetic was routinely used in 28% of units, mostly with 0.125% bupivacaine; about half of these units did so because midwives were unable to perform top-ups. Routine use of epidural opioids was most frequent when anaesthetic infusions were used, otherwise it was uncommon.

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