IRCT20180407039222N1 IRCT 2018-07-08 Shahid Rajaee Cardiovascular Center Tehran Comparison of Ringer and Ringer Lactate Solution on Acidose and Lactate Status in Pediatric Heart Surgery Comparison of effect of ringer's solution and lactated ringer as prime solution on acidosis and lactate level in noncyanotic pediatric cardiac surgery 2018-07-06 anticipated 50 Complete https://irct.ir/trial/30995 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Randomization description: Simple randomization, lottery through sealed envelopes, Blinding description: Participating patients,Responsible perfusionist and Responsible for data collection were kept blind. 1-2 Metabolic Acidosis. Intervention 1: Intervention group: In the first group, a lactate ringer solution will be used to prepare the cardiopulmonary bypass system.Also, the venofundin 6% etherified starch solution at 15 cc / kg body weight, heparin 3 units per ml of prime solution, sodium bicarbonate at 24 mEq / l of prime solution and Mannitol 0.5 grams per kilogram of body weight will be added.In the case of low hematocrit, packed cell will also be used.The amount of lactated ringer solution will be about 350-400 cc and once at the start of the bypass.The Ringer Lactate solution is the product of Shahid Ghazi Tabriz factory and made in Iran. Intervention 2: Control group: In the second group, a ringer solution will be used to prepare the cardiopulmonary bypass system.Also, the venofundin 6% etherified starch solution at 15 cc / kg body weight, heparin 3 units per ml of prime solution, sodium bicarbonate at 24 mEq / l of prime solution and Mannitol 0.5 grams per kilogram of body weight will be added.In the case of low hematocrit, packed cell will also be used.The amount of Ringer's solution will be about 350-400 cc and once at the start of the bypass.Ringer's solution is the product of Iranian Pharmaceutical & Parenteral Products factory and made in Iran. No - There is not a plan to make this available Justification or reason for not sharing IPD is Patient privacy