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Title: Congenital coronary anomalies of origin and distribution in adults: a coronary arteriographic study.
Authors: Harikrishnan, S
Jacob, Sonney P
Tharakan, Jaganmohan
Titus, Thomas
Kumar, V K Ajith
Bhat, Anil
Sivasankaran, S
Bimal, Francis
Moorthy, K M Krishna
Kumar, R Padma
Keywords: Cardiology
Issue Date: 2002
Publisher: Indian heart journal
Citation: Indian heart journal. 54; 3; 271-5
Abstract: BACKGROUND: Coronary anomalies should be recognized to avoid problems during coronary intervention and cardiac surgery.METHODS AND RESULTS: We retrospectively reviewed 7400 coronary angiograms to find out the pattern and incidence of coronary anomalies of origin and distribution. We excluded patients with congenital heart diseases, coronary artery fistulae and patients with separate origin of the conus artery. and found 34 cases (0.46%) (22 males), mean age 50.7 +/- 12 years with coronary anomalies. Six cases underwent angiography prior to valve replacement and the rest were part of the evaluation for atherosclerotic coronary artery disease. The most common anomaly was separate origins of the left anterior descending coronary artery and left circumflex coronary artery [n=12 (35.3%)]. The next most common anomalies were origins of the right coronary artery from the left coronary sinus [n=7 (20.6%)] and left circumflex artery from the right sinus [n=6 (20%)]. A single coronary artery was seen in 3 cases (8.8%) which included one case of postmyocardial infarction ventricular septal rupture with triple-vessel disease, and another with two small coronary fistulae. One case each of the following coronary anomalies was found: (i) double right coronary artery, (ii) left anterior descending coronary artery from the right coronary sinus, (iii) all three coronary arteries originating separately from the right sinus, and (iv) left main coronary artery from the right sinus. Of these 34 patients, 11 (32.4%) had significant atherosclerotic disease in the anomalous vessel.CONCLUSIONS: The incidence of primary coronary anomaly seems to be less than that in earlier reports, but the pattern of anomalies appears to be similar.
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