Comparison of the Efficacy of Acupressure P6 Point, Dexamethasone and Ondansetron Versus Palonosetron Monotherapy for Preventing Postoperative Nausea and Vomiting in Laparoscopic Surgery

"Group 1 Patients with odd numbers labelled form will be Group I patients. They will receive intravenous dexamethasone 8mg during induction. Acupressure P6 wristband is applied after induction and removed prior to emergence to maintain blinding. Intravenous ondansetron 4mg is given prior to skin closure.~Group 11 Patients with even numbers labelled form will be Group II patients who will receive intravenous palonosetron 0.075mg during induction."