ملخص الدراسة:

Objective: The study aimed to determine the effectiveness of preoperative psycho - education al program on cardiac surgery patients information and their level of stress. And find out the differences in the Psycho educationalprogram with regard to patients demographic characteristics such as age and gender.Methodology Aquazi-experimental study was carried out to determine the effectiveness of preoperative education program on stress for cardiac surgery patients in Baghdad city from the 28th of March, 2010 , to 19th of September ,2011.The preoperative psycho - educational program, as well as the questionnaire was constructed as a tool of data collection for the purpose of the study. Purposive (non probability) samples of 40 patients who have undergone cardiac surgery (CABG &VR) are selected from Ibn AL-Bitar Specialized Center for cardiac surgery. The researcher divided the samples into two equal groups (the study and control groups) .Data was analysis through the use of the suitable statistical methods.Results: The results of the study indicates that there are significant differences in the patients knowledge towards cardiac surgery in the study & control groups through pre-test, post-test.Recommendations: The study recommended that such program should be implemented in the form of session for the patients before undergone cardiac surgery to prepare them to cope with the stress and improve their knowledge.