COMPARISON OF MEAN DURATION OF POST OPERATIVE ANALGESIA FOLLOWING ADDITION OF DEXMEDETOMIDINE TO ROPIVACAINE VERSUS PLAIN ROPIVACAINE ON ULTRASOUND GUIDED RECTUS SHEATH BLOCK

In Dexmedetomedine combined with ropivacaine group, under ultrasound guidance, the needle will be advanced posterior to the rectus muscle, and 20 ml of 0.25% ropivacaine mixed with 1ug/kg body weight will be injected to hydrodissect the rectus muscle from the posterior sheath. In ropivacine only group, under ultrasound guidance, the needle will be advanced posterior to the rectus muscle, and 20 ml of 0.25% ropivacaine will be injected to hydrodissect the rectus muscle from the posterior sheath.