Effect of Dexmedetomedine in Subtenon's Block on Emergence Agitation in Pediatric Strabismus Surgery

Capnography connected to laryngeal mask airway is introduced after adequate jaw relaxation and oral airway tolerance; its size is chosen according to the body weight of the child.

Sevoflurane in air/oxygen mixture of 40% is titrated to achieve adequate depth of anesthesia.

Subtenon's block is performed in the eye undergoing surgery under sterile conditions where a 19-gauge curved blunt metallic cannula (25 mm) is inserted into sub-tenon's space.

The local anesthetic solution is injected with a dose of 0.5% bupivacaine (0.08 ml/kg), in addition to dexmedetomedine (0.5 μg /kg)

The local anesthetic solution is injected with a dose of 0.5% bupivacaine (0.08 ml/kg).