Comparison of low-dose epidural with combined spinal-epidural analgesia for labour

M. Dresner, J. Bamber, C. Calow, J. Freeman, P. Charlton

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

We have performed a randomized comparison of two low-dose epidural regimens for analgesia in labour, differing only in the manner in which initial analgesia was established. In the epidural (EPI) group, 484 women received a loading dose of 20 ml of 0.1% bupivacaine with fentanyl 2 μg ml-1. In the combined spinal-epidural (CSE) group, 524 women received a spinal injection of plain bupivacaine 2.5 mg with fentanyl 25 μg. In both groups, these initial doses were followed by 0.1% bupivacaine with fentanyl 2 μg ml-1 infused at a rate of 12 ml h-1, with 20-ml top-ups for breakthrough pain. The groups were compared for midwife assessment of analgesic efficacy, delivery mode, patient assessments of first stage analgesia, second stage analgesia, overall analgesia, motor block and complications. Midwives, who were not blinded to the treatment groups, assessed 61.6% of CSE as providing 'excellent' analgesia compared with 56.4% of epidurals (P = 0.02). Patients assessed overall analgesia as 'excellent' in 74.8% of CSE compared with 71.7% of epidurals (P = 0.14). Other comparisons between groups revealed no differences. These findings may have been affected by an uneven distribution of multiparous women between the groups (25% in the EPI group and 34.2% in the CSE group; P = 0.002). However, subgroup analysis of primiparous and multiparous women did not alter the results.

Original languageEnglish (US)
Pages (from-to)756-760
Number of pages5
JournalBritish journal of anaesthesia
Volume83
Issue number5
DOIs
StatePublished - Nov 1999

Keywords

  • Anaesthesia, obstetric
  • Analgesia, obstetric
  • Analgesic techniques, epidural
  • Analgesic techniques, subarachnoid

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

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