Tabriz University of Medical Sciences Medical Journal of Tabriz University of Medical Sciences 2783-2031 32 3 2010 09 06 Prevalence of Abdominal Aortic Aneurysm in Patients with Coronary Artery Disease 35 39 EN Robab Dehghan Abolhasan Shakeri Masood Nemati Samad Ghaffari Mehrdad Neshat Journal Article 2010 09 28 Background and Objectives: The prevalence of abdominal aortic aneurysm (AAA) increases with age and affects almost 5% of the population who are >50 years old. A debate still exists on relation and coincidence between AAA and coronary artery disease (CAD (. This study aims at evaluating the prevalence AAA in patients with CAD. Materials and Methods: In an analytic-descriptive cross-sectional study, 234 candidates for coronary artery angiography were studied in Tabriz Imam Khomeini and Madani Hospital during 18-month period. According to results of angiography, 184 patients had CAD. Abdominal duplex ultrasonography was employed for examining the cases for presence of AAA. Abdominal aortic diameter ≥ 30 mm was considered as the presence of AAA. Frequency of AAA was compared between CAD patients and those with no CAD. Results: Frequency of AAA was 4.3% and 0 in patients with and without CAD, respectively (P=0.208). According to ROC curve analysis, the age of patients with CAD was ≥ 67 years. In this age group, frequency of AAA was 14% and 0 patients with and without CAD, respectively (P=0.008). Frequency of AAA was 2.2%, 5% and 8.8% in patients with 1vessel, 2vesseles and 3vesseles CAD, respectively (P=0.269). Conclusion: According to the current study, age is a significant risk factor for AAA in patients with CAD. Therefore, it is recommended that the screening program with duplex ultrasonography be considered in older patients with CAD