Efficacy of Nebulized Dexmedetomidine on Blunting Hemodynamic Changes During Intubation and Pneumoperitoneum in Morbid Obese Patients During Laparoscopic Bariatric Surgery

Patients will be nebulized with dexmedetomidine 1 mcg/kg in 3 ml of 0.9 % saline 15 minutes before shifting the patients to the operating room with a face mask 6 L/min in a sitting position.

Patients will be nebulized with 3 ml of 0.9% normal saline 15 minutes before shifting the patients to the operating room with a face mask, 6 L/min in a sitting position.