Xin Jiang1,2, Ping Zhou3, Chunlan Wen2, Zhao Yin2,4, Tao Liu2, Meiling Xu5, Chengming Yang2, Hongyong Wang2, Wenxing Song6, Yuqiang Fang2, Chunyu Zeng2. 1. Department of Cardiology, People's Hospital of Dadukou, Dadukou District, Chongqing 400080, China. 2. Department of Cardiology, Chongqing Institute of Cardiology, Daping Hospital, Army Medical University, Chongqing 400042, China. 3. Department of Cardiology, The First People's Hospital of Chongqing Liang Jiang New Area, Chongqing 401121, China. 4. Department of Cardiology, 306th Hospital of PLA, Beijing 100101, China. 5. Chongqing Emergency Medical Center, Chongqing University Central Hospital, Chongqing 400014, China. 6. Department of Cardiology, People's Hospital of Dazhu, Dazhu District, Chongqing 402360, China.
Abstract
BACKGROUND: The prevalence of coronary artery anomalies (CAAs) is rare and varies among different countries or areas. More importantly, the symptoms exhibited by some CAAs make the diagnosis of coronary artery disease (CAD) difficult and hamper the physician from making the right intervention for CAD patients. OBJECTIVE: To investigate the prevalence of CAAs in 11,267 patients from three hospitals in Southwest China. METHODS: 11,267 patients who have undergone coronary angiography from three Southwest China hospitals were investigated retrospectively. Dominance patterns, prevalence, and the location of each CAA were recorded and analyzed. RESULTS: The presence of a dominant right coronary artery (RCA) was found in 60.58% of patients. CAAs were found in 11.12% (1258) patients, and 87.66% anomalies were located in the left anterior descending (LAD) artery and its branches. Most of CAAs were found to be myocardial bridges (MBs, 1060 cases, 9.41%). Other CAAs included anomalous coronary origin (43 cases, 0.38%), coronary artery fistulas (CAFs, 36 cases, 0.32%), and coronary artery aneurysm or ectasia (119 cases, 1.06%). It also noted that most anomalies were found with RCA originating from the left coronary sinus (79.07%), most CAFs were located in the LAD and its branches (58.33%), and most coronary artery ectasias were located in the RCA (43.25%). CONCLUSIONS: CAAs in patients from Southwest China were unique compared to other studies. Recognition of these CAAs is important for accurate diagnosis and treatment choice of patients with chest pain.
BACKGROUND: The prevalence of coronary artery anomalies (CAAs) is rare and varies among different countries or areas. More importantly, the symptoms exhibited by some CAAs make the diagnosis of coronary artery disease (CAD) difficult and hamper the physician from making the right intervention for CAD patients. OBJECTIVE: To investigate the prevalence of CAAs in 11,267 patients from three hospitals in Southwest China. METHODS: 11,267 patients who have undergone coronary angiography from three Southwest China hospitals were investigated retrospectively. Dominance patterns, prevalence, and the location of each CAA were recorded and analyzed. RESULTS: The presence of a dominant right coronary artery (RCA) was found in 60.58% of patients. CAAs were found in 11.12% (1258) patients, and 87.66% anomalies were located in the left anterior descending (LAD) artery and its branches. Most of CAAs were found to be myocardial bridges (MBs, 1060 cases, 9.41%). Other CAAs included anomalous coronary origin (43 cases, 0.38%), coronary artery fistulas (CAFs, 36 cases, 0.32%), and coronary artery aneurysm or ectasia (119 cases, 1.06%). It also noted that most anomalies were found with RCA originating from the left coronary sinus (79.07%), most CAFs were located in the LAD and its branches (58.33%), and most coronary artery ectasias were located in the RCA (43.25%). CONCLUSIONS: CAAs in patients from Southwest China were unique compared to other studies. Recognition of these CAAs is important for accurate diagnosis and treatment choice of patients with chest pain.
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