“A PROSPECTIVE RANDOMISED STUDY OF CAMPARISON OF INTRATHECAL ROPIVACAINE (0.75%) 15mg WITH FENTANYL (25mcg) AND BUPIVACAINE (0.5%) 10mg WITH FENTANYL (25mcg) FOR SPINAL ANAESTHESIA FOR LOWER LIMB SURGERIES”

Abstract

Background : Since the development of spinal anaesthesia technique various local anaesthetics such as cocaine, procaine, etidocaine, tetracaine, lignocaine, bupivacaine were tried and studied for their effects. When these drugs were first developed bupivacaine was chosen to be marketed as a long acting local anaesthetic, its advantages compared to lignocaine being long duration of action and differential sensory-motor block. Little further work was carried out on the other drugs in the group.