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  • Title: Fentanyl added to bupivacaine 0.05% or ropivacaine 0.05% in patient-controlled epidural analgesia in labour.
    Author: Pirbudak L, Tuncer S, Koçoğlu H, Göksu S, Celik C.
    Journal: Eur J Anaesthesiol; 2002 Apr; 19(4):271-5. PubMed ID: 12074416.
    Abstract:
    BACKGROUND AND OBJECTIVE: Epidural analgesia is the most effective method for pain relief during labour. The aim was to elucidate the efficacy of ropivacaine 0.05% and bupivacaine 0.05%, which were both combined with fentanyl 0.00015% to provide analgesia in labour. METHODS: Forty nulliparous females were enrolled into the study. After insertion of an epidural catheter, patients were randomly assigned into two groups. Once the os uteri had dilated to 4-5 cm, a bolus of bupivacaine 0.125% 10mL + fentanyl 50 microg (1 mL) in Group 1 patients, and ropivacaine 0.125% 10mL + fentanyl 50 microg (1 mL) in Group 2 patients was administered via the epidural catheter. Then, patient-controlled epidural analgesia was started with a basal infusion of bupivacaine 0.05% 10 mLh(-1) + fentanyl 0.00015% 1.5 pgmL(-1) in Group 1, and ropivacaine 0.05% + fentanyl 1.5 microgmL(-1) in Group 2. When needed, a 10 mL bolus infusion could be given and the lockout time was 20 min. Maternal and fetal haemodynamic variables were monitored before induction and subsequently at 5 min intervals. Using a visual analogue scale assessed the degree of pain. RESULTS: Maternal haemodynamic variables and Apgar scores were not different between the two groups. The second stage of the labour was shorter in Group 2 (P < 0.01). There were no significant differences in patients' assessment of motor block or mode of delivery between groups. CONCLUSIONS: An epidural infusion (10 mLh(-1)) of bupivacaine 0.05% or ropivacaine 0.05% together with fentanyl 1.5 microg mL(-1) provided good and safe analgesia during labour.
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