IRCT20190719044273N1 IRCT 2019-09-03 Mazandaran University of Medical Sciences The effect of hypothermia on electrolyte changes The effect of hypothermia on electrolyte changes in adult patients undergoing open heart surgery 2019-05-22 anticipated 60 Complete https://irct.ir/trial/41423 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Samples were taken by the availability method, and all the patients who met the conditions of the study were picked, samples were taken of two groups of hypothermia and normothermia randomly chosen patients by using a random number table, Blinding description: After explaining the study and obtaining informed consent from the participants, they were not informed of the group they were put in. N/A Coronary heart diseases. Intervention 1: Intervention group: in the hypothermia group the patient's body temperature is brought down to 30°c and topical cooling is also used. Intervention 2: Control group: in the normothermia group the patient's body temperature naturally comes down to 35°c. 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 The publication schedule has not been clear yet.