Abstract
Back ground: Heart failure continues to increase in prevalence with a great impact on morbidity and mortality. The study amid to: evaluate the effect of implementing designed nursing guidelines on modifiable risk factors among patients with heart failure. Research design:  quasi-experimental research design (pre / post test) was utilized. Setting: The study was carried out in the Cardiology department at Al-Azher University   Hospitals. Sample: Total number of (30) patients with heart failure pre / post were included. Tools: Patient structured interview questionnaire included: Part (I): demographic data.  Part (II): Modifiable risk factor assessment .Result: less than three quarter of the studied patients 73.3٪ respectively were males, and aged ranged from 50>65. One-third of them 36.6 ٪were educated. Highly statistical significant difference pre /post guidelines regarding some modifiable risk factors among patients with heart failure p =0.001.Conclusion:    Some modifiable risk factors among patients with heart failure were significantly minimized after nursing guidelines implementation as effected in sodium restriction, maintained physical activity and smoking cessation. Recommendations: Replication of the study on a bigger probability sample obtained from various geographic areas in Egypt is needed in order to determine the key components of the issues.