IRCT20170301032837N4 IRCT 2021-05-12 Iran University of Medical Sciences The effect of nasal phenylephrine drops on palatoplasty blood loss Evaluation of the effect of phenylephrine drops on the blood loss during and after reconstructive surgery of cleft palate in children 2021-05-22 anticipated 36 Complete https://irct.ir/trial/55830 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Randomization description: Simple, individual randomization using a table of random numbers, so that the first patient is placed in one of the two groups by lottery. The next patient will be placed in one of the two groups using a table of random numbers based on even and odd numbers, and this sequence will continue. The intervening researcher and evaluator are unaware of the random sequence, Blinding description: The person who drops, the person who evaluates the bleeding, and the surgeon have no information. To prepare the placebo, empty a container of phenylephrine drops and fill it with distilled water instead. Make it in a form similar to phenylephrine drops and name solutions 1 and 2 and give it to the person who drops without knowing the type of solution. N/A Cleft palate. Intervention 1: Intervention group:After induction of anesthesia and before the preparation of the operation, two drops of phenylephrine 0.25% are instilled in each nostril. Intervention 2: Control group: After induction of anesthesia and before preparation, two drops of distilled water are instilled into each nostril from a container similar to a phenylephrine container. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information.