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- W2091938504 abstract "Background: The best combination of bolus size and lockout interval for patient-controlled epidural analgesia (PCEA) is not known. This study compared a 5-min with a 15-min lockout interval. Methods: Parturients were randomly assigned to receive PCEA with either a 5-min or a 15-min interval. All had a 15-mL loading dose, continuous background infusion 6 mL/h of 0.125% bupivacaine plus fentanyl 2 μg/mL, PCEA bolus volume 5 mL, maximum hourly dose 26 mL. Visual analogue scores for pain, nausea and pruritus, sensory levels to ice, sacral analgesia, motor power, blood pressure and fetal heart rate were assessed pre-epidural and regularly thereafter until delivery. The numbers of boluses and attempts and patient satisfaction were recorded. Results: 29 patients were assigned to the 5-min group and 31 to the 15-min group, but the 15-min group contained twice as many nulliparous women. Side-effect and complication rates did not differ between groups. VAS pain scores were reduced from a median of 79 in the 15-min group and 82 in the 5-min group to a median of zero 30 min after epidural insertion. Bolus/attempt ratio was 0.88 in the 5-min vs. 0.70 in the 15-min group. The numbers of requests for physician intervention were similar. No differences in pain scores, side-effects, drug use or patient satisfaction were demonstrated. Conclusion: The 5-min lockout interval appears the more efficient and has been used safely in our practice for 15 000 parturients, although a larger study is required to confirm the relative efficacy, efficiency and safety of this regimen." @default.
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- W2091938504 date "2005-07-01" @default.
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- W2091938504 title "A randomized comparison of a five-minute versus fifteen-minute lockout interval for PCEA during labor" @default.
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- W2091938504 doi "https://doi.org/10.1016/j.ijoa.2004.12.008" @default.
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