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Labour pain with remifentanil patient‐controlled analgesia versus epidural analgesia: a randomised equivalence trial
Author(s) -
Logtenberg SLM,
Oude Rengerink K,
Verhoeven CJ,
Freeman LM,
Akker ESA,
Godfried MB,
Beek E,
Borchert OWHM,
Schuitemaker N,
Woerkens ECSM,
Hostijn I,
Middeldorp JM,
Post JA,
Mol BW
Publication year - 2017
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/1471-0528.14181
Subject(s) - medicine , remifentanil , anesthesia , visual analogue scale , patient satisfaction , pain relief , randomized controlled trial , clinical endpoint , surgery , propofol
Objective To distinguish satisfaction with pain relief using remifentanil patient‐controlled analgesia ( RPCA ) compared with epidural analgesia ( EA ) in low‐risk labouring women. Design Randomised controlled equivalence trial. Setting Eighteen midwifery practices and six hospitals in the Netherlands. Population A total of 408 pregnant women at low risk for obstetric complications initially under the care of primary‐care midwives. Methods Women randomised before active labour to receive analgesia with RPCA or EA , if requested. Main outcome measures Primary outcome was satisfaction with pain relief measured hourly using a visual analogue scale and summed as area under the curve ( AUC ). Secondary outcomes were overall satisfaction with pain relief, pain intensity scores during labour, mode of delivery, and maternal and neonatal outcomes. Results We randomised 418 women, of whom 409 could be followed for the primary endpoint. Analgesia was received by 46% (94/203) in the remifentanil group and 37% (76/206) in the epidural group. The AUC for satisfaction with pain relief was 32 in the remifentanil group and 31 in the epidural group (mean difference −0.50; 95% CI −6.8 to 5.9). Among women who actually received analgesia, these values were 23 and 35, respectively (mean difference −12; 95% CI −22 to −1.5). Secondary outcomes were comparable. Conclusions In low‐risk labouring women, we could not demonstrate equivalence between a strategy with RPCA to EA with respect to satisfaction with pain relief assessed during the total duration of labour. However, once applied satisfaction was higher in women who received epidural analgesia. Tweetable abstract Satisfaction with pain relief is higher in women receiving epidural analgesia compared with Remifentanil PCA .