The Efficacy of Different Ropivacaine Concentrations (0.5%, 0.6%, vs . 0.75%) for Regional Nerve Block in Lower Extremity: A Prospective Randomized Controlled Trial

Abstract

Purpose: There have only been a few studies on optimal usage of injection material in the regional nerve block for lower extremity operations. The purpose of this study was to evaluate the efficacy of different concentrations of ropivacaine. Materials and Methods: A total of 339 patients underwent l...