• P Ruban, A T Sia, and J L Chong.
• Department of Anaesthesia, KK Women's and Children's Hospital, Singapore, Singapore.
• Anaesth Intensive Care. 2000 Oct 1;28(5):517-21.

AbstractThe use of patient-controlled epidural analgesia (PCEA) for labour analgesia is rapidly gaining acceptance. However, the ideal PCEA solution and PCEA program remains uncertain. We studied the effect of adding fentanyl 2 micrograms/ml on demand-only PCEA using ropivacaine 0.125% for labour analgesia. With the approval of the Hospital Ethics Committee, this prospective randomized controlled trial was conducted on 36 nulliparous ASA 1/2 parturients in early, but established, labour. Upon written consent, epidural analgesia was started with 10 ml ropivacaine 0.2%. The parturients subsequently were randomized to receive either ropivacaine 0.125% (n = 18) or ropivacaine 0.125% with fentanyl 2 micrograms/ml (n = 18). The PCEA was programmed to a demand-only mode with bolus of 5 ml, lockout time of 10 minutes and maximum volume per hour of 20 ml. The degree of pain relief was similar in both groups. However, the total amount of ropivacaine used per hour was lower in the group that received fentanyl (median 7.1 vs 10.1 mg, P < 0.05). This was not associated with a decrease in motor blockade or a decrease in instrumental deliveries. The ratio of successful PCEA demand to total number of demands, the satisfaction score and the maternal-fetal outcome were similar in both groups. In conclusion, the addition of fentanyl had a dose-sparing effect on the requirement of ropivacaine. This PCEA regimen produced a low incidence of motor block, good labour pain relief and excellent patient satisfaction.

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