• Leone Roberti Maggiore U U Unit of Obstetrics and Gynecology, IRCCS AOU San Martino - IST, Genova, Italy. Electronic address: ulrm@me.com., R Silanos, S Carlevaro, A Gratarola, P L Venturini, S Ferrero, and P Pelosi.
• Unit of Obstetrics and Gynecology, IRCCS AOU San Martino - IST, Genova, Italy. Electronic address: ulrm@me.com.
• Int J Obstet Anesth. 2016 Feb 1; 25: 37-44.

BackgroundPain is a major concern during medical abortion but no evidence-based recommendations for optimal analgesia during medical termination of pregnancy are available. We compared two methods of epidural analgesia during second trimester termination of pregnancy, with the primary aim of assessing the incidence of motor block.MethodsWomen were randomly assigned to receive continuous epidural infusion (CEI Group; n=52) or programmed intermittent epidural bolus (PIEB Group; n=52). Assessment of motor block was performed every hour. Patients with a modified Bromage score <6 were considered to have motor block.ResultsMotor block occurred more frequently in the CEI Group compared with the PIEB Group (46.2% vs. 5.8%, P<0.001). Pain scores were low and comparable between groups. Patients in the CEI Group experienced nausea more frequently than those in the PIEB Group (34.6% vs. 13.5%, P=0.022). The degree of satisfaction was higher in the PIEB Group compared with the CEI Group.ConclusionsDuring second trimester termination of pregnancy in our patient groups, a programmed intermittent epidural bolus technique was associated with less motor block and greater patient satisfaction than continuous epidural infusion. Both techniques had similar analgesic efficacy.Copyright © 2015 Elsevier Ltd. All rights reserved.

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