3Feng S W,Xu S Q,Ma L,et al.Regular intermittent bolus provides similar incidence of maternal fever compared with continuous infusion during epidural labor analgesia[J].Saudi Med J,2014,35(10):1237-1242.
4Herrera-Gómez A,García-Marítnez O,Ramos-Torrecillas J,et al.Retrospective study of the association between epidural analgesia during labour and complications for the newborn[J].Midwifery,2015,31(6):613-616.
5Vaida S,Cattano D,Hurwitz D,et al.Algorithm for the anesthetic management of cesarean delivery in patients with unsatisfactory laborepidural analgesia[J].F1000Res,2015,52(4):98.
6Lovach-Chepujnoska M,Nojkov J,Joshevska-Jovanovska S,et al.Continuous versus patient-controlled epidural analgesia for labour analgesia and their effects on maternal motor function and ambulation[J].Prilozi,2014,35(2):76-84.
7Karhade S S,Sardesai S P.0.2%ropivacaine with fentanyl in the management of labor analgesia:A case study of 30 parturients[J].Anesth Essays Res,2015,9(1):83-87.
8Patkar C S,Vora K,Patel H,et al.A comparison of continuous infusion and intermittent bolus administration of 0.1%ropivacaine with 0.0002%fentanyl for epidural labor analgesia[J].J Anaesthesiol Clin Pharmacol,2015,31(2):234-238.
9Sultan P,Murphy C,Halpern S,et al.The effect of low concentrations versus high concentrations of local anesthetics for labour analgesia on obstetric and anesthetic outcomes:a metaanalysis[J].Can J Anaesth,2013,60(9):840-854.
10Kim J W,Kim Y H,Cho H Y,et al.The effect of inflatable obstetric belts in nulliparous pregnant women receiving patientcontrolled epidural analgesia during the second stage of labor[J].J Matern Fetal Neonatal Med,2013,26(16):1623-1627.