The results suggest that perioperative esmolol administration during anaesthesia reduces the intraoperative use of inhalation anaesthetic and fentanyl, decreases haemodynamic responses, and reduced morphine consumption for the first 3 postoperative days.

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Our results suggest that preoperative administration of promethazine 0.1 mg kg(-1) reduces postoperative morphine consumption compared with postoperative and placebo administration, and that use of promethazine reduces PONV and the number of patients asking for rescue antiemetic in the first 24 h after surgery when compared with placebo.

Two patients underwent thoracotomy for resection of pulmonary or esophageal carcinoma. Postoperatively, epidural catheters were inserted for pain management. Complaints of severe injection pain over the abdomen or lower extremities were made during one administration of pain medication. Progressive weakness and numbness developed over the lower trunk and lower extremities, with subsequent respiratory difficulties. Potassium chloride (KCl) was suspected to have been mistaken for normal saline as the diluent for morphine. In addition to endotracheal intubation and ventilatory support, steroids were administered both intravenously and epidurally to suppress spinal cord irritation. The two patients regain motor and sensory functions 14 and 18 hours later, respectively, without sequelae.