PREVALENCE OF CAROTID ARTERY DISEASE IN PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT SURGERY AT KIHD

Objective: To find out the prevalence of CAS in patients undergoing CABGsurgery at KIHD. Methodology: This cross sectional study was conducted at the cardiology andcardiac surgery units of Karachi Institute of Heart Diseases, Karachi, Pakistanfrom September, 2013 to November, 2014. Consecutive patients undergoingCABG surgery at KIHD were included in the study. Doppler ultrasound study ofboth carotid arteries was done. Patients with previous CABG surgery, congestivecardiac failure and history of stroke or TIA were excluded. Results: A total of 56 patients were included. Of them 46 were males. The meanage was 56.77± 8.72 years. Significant CAS was found in 28(50%) patients.Bilateral CAS was found in 18(32.14%) patients. Unilateral CAS was found in5(8.93%) on each side. Conclusion: Significant CAS was found in majority of the patients undergoingCABG at our institution, signifying risk of CVA. Key Words: Coronary Artery Bypass Grafting , Carotid Artery Stenosis, CoronaryArtery Disease, Carotid Artery Doppler Studies.