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dc.contributor.authorHaidl, Frans Felxi
dc.contributor.authorRosseland, Leiv Arne
dc.contributor.authorSpigset, Olav
dc.contributor.authorDahl, Vegard
dc.date.accessioned2019-03-13T15:16:52Z
dc.date.available2019-03-13T15:16:52Z
dc.date.created2018-06-26T11:44:18Z
dc.date.issued2018
dc.identifier.citationActa Anaesthesiologica Scandinavica. 2018, 62 (9), 1267-1273.nb_NO
dc.identifier.issn0001-5172
dc.identifier.urihttp://hdl.handle.net/11250/2589904
dc.description.abstractBackground The combination of low‐dose local anesthesia and lipophilic opioids such as fentanyl is established as a standard solution for labor epidural analgesia. Fentanyl increases efficacy, but may have negative effects on the neonate in terms of reduced neonatal neurologic and adaptive capacity scores and breast feeding. We hypothesized that addition of adrenaline 2 μg/mL to a solution of bupivacaine 1 mg/mL and fentanyl 2 μg/mL would reduce the systemic uptake of fentanyl, resulting in reduced serum fentanyl in the fetus at birth. Methods Forty‐one nulliparous women requesting epidural analgesia were randomized to epidural analgesia with or without adrenaline. Blood samples were drawn from the mother with regular intervals, and at delivery. An umbilical vein blood sample (used as a proxy for fetal exposure) was drawn after clamping. Results There were no significant differences between the groups in fentanyl concentrations in the umbilical vein and maternal serum at birth. There was a significantly lower mean area under the maternal serum‐concentration curve for the first 2 hours of treatment in the adrenaline group (mean difference 0.161 nmol h/L [0.034; 0.289], P = .015), implying slower systemic uptake in the adrenaline group initially. There were no significant differences in treatment duration, motor block, Apgar scores, umbilical pH and base excess, or mode of delivery. Conclusions The addition of adrenaline to an epidural solution containing fentanyl lowered maternal systemic serum fentanyl concentration during the first 2 hours, but did not lower serum fentanyl concentration in the umbilical vein and mother at delivery.nb_NO
dc.language.isoengnb_NO
dc.publisherWileynb_NO
dc.rightsNavngivelse-Ikkekommersiell 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/deed.no*
dc.titleEffects of Adrenaline on maternal and fetal fentanyl absorption in epidural analgesia: a randomized trialnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionpublishedVersionnb_NO
dc.source.pagenumber1267-1273nb_NO
dc.source.volume62nb_NO
dc.source.journalActa Anaesthesiologica Scandinavicanb_NO
dc.source.issue9nb_NO
dc.identifier.doi10.1111/aas.13175
dc.identifier.cristin1593963
dc.description.localcode© 2018 The Authors. Acta Anaesthesiologica Scandinavica published by John Wiley & Sons Ltd on behalf of Acta Anaesthesiologica Scandinavica Foundation. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.nb_NO
cristin.unitcode194,65,15,0
cristin.unitnameInstitutt for klinisk og molekylær medisin
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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Navngivelse-Ikkekommersiell 4.0 Internasjonal
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