%0 Journal Article %T Efficacy of Clonidine as an Additive on the Duration of Action of Brachial Plexus Block Performed Under Ultrasound and Nerve Locator Guidance: A Prospective Randomized Study %A Ajay Prasad Hrishi %A Gurudutt Rao %A Karen Ruby Lionel %J Archive of "Anesthesia, Essays and Researches". %D 2019 %R 10.4103/aer.AER_6_19 %X Clonidine, an alpha2 agonist, when added to local anesthetics in different regional and neuraxial blocks reduces the onset time, improves the efficacy, and increases the duration of postoperative analgesia %K Brachial plexus %K clonidine %K local anesthetics %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6444962/