IRCT20180501039489N3 IRCT 2019-06-24 Iran University of Medical Sciences The effect of discharge plan on knowledge and quality of life in mothers of children with congenital heart diseases The effect of discharge plan implementation on knowledge of care and quality of life in mothers of children with congenital heart diseases undergoing surgery 2019-05-10 anticipated 80 Complete https://irct.ir/trial/35962 interventional Randomization: Not randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Education/Guidance. N/A Condition 1: Congenital malformations of cardiac chambers and connections. Condition 2: Congenital malformations of cardiac septa. Condition 3: Congenital malformations of pulmonary and tricuspid valves. Condition 4: Congenital malformations of aortic and mitral valves. Intervention 1: Intervention group: In this group at first, Demographic questionnaire, knowlege of care and quality of life questionnaire were completed before the intervention by mothers. Then, in the first stage of intervention, the education includes 6 sessions of 30 minutes at admission, hospitalized days and discharge time individually and small groups using a booklet for mothers. The educational content includes: explanations of the natural and abnormal heart structure, surgical treatment, physical activity, child nutrition post-surgery, baby bathing, infection prevention, surgical scar treatment, medication usage, benefits and side effects of medications and Treatment of fever and diarrhea. The second stage of the intervention involves post discharge follow-up.At this stage, the researcher will call with the mothers, one week, two weeks, one month, and two months after the discharge , asking for the child's condition and, if necessary, giving them the necessary education. Intervention 2: Control group: this group completes the relevant questionnaires and receives only the usual care and training of the hospital. 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 It will be decided after collecting data.