• M Dauri, M Polzoni, E Fabbi, T Sidiropoulou, S Servetti, F Coniglione, P Mariani, and A F Sabato.
• Department of Anesthesia and Intensive Care Medicine, University of Rome 'Tor Vergata', Italy. md2888@mclink.it
• Acta Anaesthesiol Scand. 2003 Jan 1;47(1):20-5.

BackgroundThe purpose of this study was to compare three locoregional techniques of pain management after arthroscopic anterior cruciate ligament reconstruction (ACLR).MethodsSixty ASA I-II subjects were enrolled after obtaining written informed consent. Patients were randomly allocated to three groups of 20 subjects. The first group (EPI) received epidural ropivacaine 0.2% plus sufentanil 0.2 micro g ml-1, at 5 ml h-1. Patients in the second group (CFB) were given a continuous infusion of the same analgesic mixture through a femoral catheter. The third group (IA) received a continuous intraarticular infusion of ropivacaine 0.2% plus sufentanil 0.2 micro g ml-1, at 5 ml h-1. All subjects were allowed PCA boluses of 5 ml of local anesthetic. Analgesia was assessed for 36 h after the end of surgery by means of a visual analog scale (VAS) and a verbal scale (VS), as well as the number of PCA boluses administered and the amount of supplementary i.v. ketorolac, if given.ResultsThe VAS and VS scores were significantly higher in group IA during the 24 h following surgery. Ketorolac requirement was higher in group IA throughout the postoperative observation. Adverse effects were similar in all groups except for urinary retention, which was significantly more frequent in group EPI.ConclusionsWe conclude that either epidural or continuous femoral nerve block provide adequate pain relief in patients who undergo ACLR, whereas intraarticular analgesia seems unable to cope satisfactorily with the analgesic requirements of this surgical procedure.

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