Anil Thakur , Mamta Bhardwaj , Kiranpreet Kaur , Jagdish Dureja , Sarla Hooda , Susheela Taxak Department of Anaesthesiology and Critical Care, Pt. B.D. Sharma PGIMS, Rohtak, India DOI : 10.4103/0970-9185.105804 Correspondence Address : Kiranpreet Kaur 52 / 9 J, Medical Enclave, Rohtak - 124 001, Haryana India Abstract Background: Clonidine is added to intrathecal local anesthetics to improve intraoperative analgesia and to increase the duration of sensory and motor block. Aim of this study was to evaluate and compare the effects of addition of two different doses of clonidine (15 and 30 mcg) to 11 mg hyperbaric bupivacaine in patients undergoing inguinal herniorrhaphy surgery under spinal anesthesia. Materials and Methods: Seventy-five patients enrolled in the study were randomly divided into three groups of 25 each. Group I patients received 11 mg hyperbaric bupivacaine, whereas groups II and III received...