Background: Coronary artery disease is a major cause of morbidity and mortality throughout the world. Modification of life style can be achieved by patients' education to improve their health status. Aim: To evaluate effect of lifestyle modification intervention on health status of coronary artery disease patients. Design: Randomized control trial used to achieve the aim of this study. Setting: The current study conducted at the coronary care unit and cardiology out-patient clinics of Benha University Hospital, Benha City. Subjects: Purposive sample of 92 coronary artery disease patients (study and control) were included in the study. Tools: Two tools used in this study 1) Interview questionnaire. 2) Health status questionnaire. Results: Significant percentage of the study participants from both groups were adhered to unhealthy life-style practices as smoking, eating salty and fatty foods, drinking tea and coffee as well as they didn't practice exercises and recreational activities. After lifestyle modification intervention, there were significant statistical differences between the two groups favoring the study group regarding all aspects of health status; physical function, bodily pain, social function, role limitation due to physical or emotional problems and mental health (P<0.05). Conclusion and recommendations: This study concluded that life style modification intervention for coronary artery disease patients is effective and useful for enhancing their health status. This study recommended that coronary artery patients` education should be held in permanent approach, because it is a crucial part of their treatment.

The Myocardial infarction is a life threatening disease that influences the physical, psychological and social dimensions of the individual. Improper lifestyle is one of the causes of this disease. These consequences in turn may have negative impact on the patient's physical and psychological condition, will prolong patient's hospital stay, and increase hospital costs. Aims: The aim of this study was to evaluate the effect of educational guidelines on therapeutic regimen compliance and self-efficacy among patients with myocardial infarction through the following: Assess the study patients' knowledge and practices regarding therapeutic regimen, level of compliance and selfefficacy, develop and implement educational guidelines for the study patients about therapeutic regimen compliance, and evaluate the effect of educational guidelines on patients' level of compliance to therapeutic regimen and self-efficacy. Research hypotheses: The current study hypothesized that, the educational guidelines will have a positive effect on therapeutic regimen compliance and self-efficacy among patients with myocardial infarction. Design: A quasi-experimental research design has been utilized to conduct this study. Setting: Data were collected from outpatient Clinics of Cardiology at Eldmerdash Hospital. The study was conducted on 90 patients, who have been selected by certain criteria. Data tools: Four tools were used for data collection (I) A structured interview questionnaire (A) sociodemographic data questionnaire, (B) Patients` knowledge assessment questionnaire, (II) An observational checklist, (III) Patients' compliance assessment questionnaire, (IV) General Self-Efficacy Scale. Results: This study revealed that there was a statistically significant improvement regarding patients' knowledge, practice and compliance toward myocardial infarction throughout the study. So, this study concluded that the educational guidelines had a positive effect on improving therapeutic regimen compliance and selfefficacy among studied patients with MI through the enhancement of their knowledge and practices so, the current study recommended that: Patients` education should be held in continuous manner, because it is a fundamental part of their treatment.