الفهرس 
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Abstract
Atherosclerotic coronary artery disease is a major cause of death all over the world.
Main clinical presentations of coronar artery disease include; ST-elevation myocardial infarction (STEMI) Non-ST-elevation myocardial infarction (NSTEMI) and/or unstable angina and chronic stable angina . Among patients with coronary artery disease, there are different cardiovascular risk factors which may exhibit their effects on coronaryangiographicfindings.Coronary angiography is still the “gold standard” for identifying the presence or absence of stenosis in coronary arteries.
This work aimed to study the relation of different cardiovascular risk factors with coronary angiographic findings in patients with ischemic heart disease (IHD).
This case-series prospective study involved 200 patients with IHD who underwent routine coronary angiography in cath lab Unit in Sohag University Hospital over a period of six months from July 2014 through December 2014.
Risk factors of IHD include advancing age, smoking, type 2 diabetes mellitus (T2DM), hypertension (HT), dyslipidemia, positive family history of IHD, obesity and physical inactivity .
There were significant associations between the risk factors and the number of vessels affected in coronary angiography in patients with IHD. The study found a significant rate of multiple risk factors in our patients. Male sex was highly significant in this study(p-value 0.0001) followed by current smoking(p-value0. 001), dyslipidaemia(p-value 0.001)then diabetes, hypertension(p-value0,03), obesity(p-value 0.02) , physical inactivity(p-value0.02), respectively, while positive family history of IHD have insignificant results. Most of patients had risk factors in combination(p-value 0.001).
Conclusion
The present study showed a significant relation of having cardiovascular risk factors with developing atherosclerosis and ischaemic heart disease with more aggressive angiographic findings and diffused lesions and larger number of vessels involved in cases with multiple risk factors.
Recommendation
we recommend to implement more active polices for control of these risk factors and to conduct further comprehensive studies to determine the independent influences of individual risk factors and to investigate the role of others hidden risk factors in patients with ischemic heart disease.