Coronary artery diameters in adult patients and pattern obstructive coronary artery disease: an angiographic study

ABSTRACT

Objective:To study the coronary artery diameter in adult patients and the pattern of obstructive coronary artery disease. Design:A Retrospective angiographic study. Setting:National Institute of Cardiovascular Disease, Karachi. Subject Measurement of coronary artery diameter in sixty randomly selected angiographic films. Main outcome measures: Coronary Artery Diameter and pattern of obstructive Coronary Artery Disease. Of the sixty patients of all ages and both sexes who had their angiography done at the NICVD 27 patients [45%] had three vessel disease, 21[35%] had double vessel disease while 1 2 [20%] had single vessel disease. Mean diameter of LM was 3.95 mm, LAD 3.33mm, Cx 3.025mm and RCA 2.85mm in non-diabetics. In diabetics the mean diameter of EM was 4.07mm, LAD 2.92mm and RCA 2.6mm. Thirty six patients [60%] had localized disease while 24 patients [40%] had diffuse disease. Risk factors included hypertension in 33 [55%], diabetes mellitus in 8 [13.3%] and smoking in 11[18.3%] while nine patients [15%] had none of the above risk factors. Conclusions: This study showed that average diameter of coronary arteries in local population is not much different from the rest of the world. There is no significant difference between diabetics and non-diabetics either while localized involvement of coronaries is more common than diffuse disease. However, further studies are needed in diabetic patients