IRCT2015022414333N29 IRCT 2015-03-11 Kermanshah University of Medical Sciences Effect of prophylactic infusion of phenylephrine on mothers’ hemodynamic at Caesarean section with spinal anesthesia Effect of prophylactic infusion of phenylephrine on mothers’ hemodynamic at Caesarean section with spinal anesthesia 2014-06-05 anticipated 80 Complete https://irct.ir/trial/13965 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Spinal anesthesia. Intervention 1: In the experiment group, 12.5 milligram anesthetic bupivacaine hyperbaric 0.5 was injected intrathecally using 25-spinal needle in L4-L-5 environment and patients immediately were set in supine position. Immediately after intrathecal injection of the anesthetic, mothers were measured and recorded for their vital signs every minute until their delivery, and, also, every three minutes to the end of the surgery by monitoring device. Intervention 2: In the control group, Phenylephrine was not injected; in the case of hypotension, common treatment with ephedrine is used to control blood pressure. Immediately after intrathecal injection of the anesthetic, mothers were measured and recorded for their vital signs every minute until their delivery, and, also, every three minutes to the end of the surgery by monitoring device.