IRCT2014102619677N1 IRCT 2014-12-01 Ethics committee of Mazandaran University of Medical Sciences Comparative Study of the Effect of peer group and Orientation Program on patients' Anxiety Before Coronary Artery Bypass Graft (CABG) Surgery - Comparative Study of the Effect of peer group and Orientation Program on patients' Anxiety Before Coronary Artery Bypass Graft (CABG) Surgery 2014-10-21 anticipated 150 Complete https://irct.ir/trial/17538 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Other design features: In this study randomization includes random sampling by using block every week. The sampling starts for the group that randomly selected for the first week and then the second group is randomly selected for the second week and the sampling continues for the third group and this sequence is repeated until necessary number of patients are recruited. N/A cvd. Intervention 1: Intervention group1: peer group: In the peer group, patients are trained by someone who has a history of a successful coronary artery bypass graft (CABG) surgery for one hour. The education content includes CABG surgery and care before and after the operation. Intervention 2: Intervention group2: Orientation program: In orientation program group, this program is provided by the researcher for 30 minute to become the patients familiar with the equipments of the ICU and operating room as well as care before and after coronary artery bypass graft (CABG) surgery. This education is provided in one day before the CABG surgery in the ICU and operating room. Intervention 3: Control group: In control group no intervention is provided and they only receive routine care of the units.