IRCT201701277745N6 IRCT 2017-07-07 Deputy of Research and Technology Spinal anesthesia in patients with cesarean section A Comparative Study on the Effect of Combined Fentanyl and Midazolam with Propofol Infusion on Blood Pressure and Heart Rate and Satisfaction of Cesarean Patients under Spinal Anesthesia 2016-11-30 anticipated 150 Complete https://irct.ir/trial/8194 interventional Randomization: N/A, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Other design features: The condition of the patient's comfort and forgiveness is examined from the incidents occurring in the operating room and during the operation of the cesarean section. 2 Spinal Anesthesia in pregnant patient. Spinal anesthesia: Lidocaine 5% at a dose of 75 mg at the start of C/S plus 50 micro-gram Fentanyl Propofol: was infused at a rate of 8 mg per Kg/h Fentanyl was infused at a rate of 0.5 micrograms per kilogram per hour plus midazolam at 0.05 mg per kilogram per hour.