Comparison of equipotent doses of ropivacaine-fentanyl and bupivacaine-fentanyl in spinal anaesthesia for lower abdominal surgery

Abstract

The aim of this randomised, double-blind study was to compare equipotent doses of plain ropivacaine and bupivacaine (19.5 mg and 73 mg respectively), both with fentanyl 20 mu g, for spinal anaesthesia in lower abdominal surgery