British Journal of Anaesthesia, 2000, Vol. 85, No. 4 615-617
© 2000 The Board of Management and Trustees of the British Journal of Anaesthesia
Fentanyl versus sufentanil: plasma concentrations during continuous epidural postoperative infusion in children
1Department of Anaesthesiology, Hôtel-Dieu, CHR Nantes, France. 2Janssen Research Foundation, Val de Reuil, France
No pharmacokinetic data are available with respect to the plasma concentrations and fentanyl or sufentanil during epidural administration in children. This double-blind randomized study included 12 children (512 yr). Patients in group F were given an epidural loading dose of fentanyl 1.5 µg kg1 and in group S sufentanil 0.6 µg kg1. Both groups then received a continuous epidural infusion of bupivacaine 5 mg kg1 day1 with either fentanyl 5 µg kg1 day1 or sufentanil 2 µg kg1 day1. An epidural PCA system was also given to the children (bolus: bupivacaine 0.2 mg kg1 and fentanyl 0.2 µg kg1 or sufentanil 0.08 µg kg1). Maximal median concentrations of plasma (0.1170.247 ng ml1 for fentanyl and 0.0270.074 ng ml1 for sufentanil) were reached approximately 30 and 20 min respectively after the loading doses. These values were similar to those measured after 48 h.
Br J Anaesth 2000; 85: 6157
* Corresponding author: Service dAnesthésie et de Réanimation Chirurgicale, Hôtel-Dieu, F-44093 Nantes cedex 01, France