Abstract
Background: Coronary artery anomalies are infrequent findings during coronary angiography and may result in longer radiation time and increase the risk of complications. Insufficient knowledge of coronary anomaly may lead to accidental damage of vessels during cardiac surgery. This study aimed to estimate the prevalence of coronary artery anomalies among the patients underwent coronary angiography at our center. Methods: A retrospective study was conducted at Chitwan Medical College. Coronary angiography records of all patients from 1st April 2020 to 30th April 2022 were analyzed by two interventional cardiologists. Statistical analysis was done using Statistical package for social survey, Version 20.0 for windows. The categorical variables were presented as numbers or percentages (%) and continuous variables were presented as mean ± standard deviation. Results: A total of 1015 patients who underwent coronary angiography for various indication were included. Coronary artery anomalies were observed in 21 (2.1%) patients. Among anomalies most common was anomalies of origin 16 (76.2%) followed by anomalies of intrinsic coronary artery 5 (23.8%). Separate origin of the conus branch was the most common coronary artery variation 103 (10.1%). Conclusions: The prevalence of coronary artery anomalies in present study was similar to many large sample size previous studies from different geographical area. However present study reflects scenario of our population, which may be helpful for interventional cardiologist and cardiac surgeon during coronary angioplasty and cardiac surgery.
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