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Coronary Artery Anomalies Detected by Multi-Detector Computed Tomography: A Single Centre Experience

World Journal of Cardiovascular Diseases 2023年第6期13卷 261-274页

作者： Basma Hammad Eman El-sharkawy Yasser Morsi Noha Shabaan Salah Eltahan Mohamed Elshafi Shady Abohashem Tanveer Mir mostafa elwany Cardiology Department Alexandria University Alexandria Egypt International Cardiac Center-Scan Alexandria Egypt Radiology Department Alexandria University Alexandria Egypt Massachusettes General Hospital Boston Massachusetts USA Detroit Medical Center Wayne State University Detroit Michigan USA

Background: Coronary artery anomalies (CAA) prevalence represents less than 1% of congenital heart diseases. It includes anomalies in origin, course, and termination. Its detection has been easier with advances in imaging techniques using multi-detector computed tomography (MDCT). MDCT helps not only detection of the anomalous origin, but it allows delineation of the course and termination of the arteries, differentiation between benign and malignant courses, and guiding therapeutic interventions. Results: There were consecutive patients with a low-to-intermediate probability of coronary artery disease scanned with 128 MDCT. Each patient underwent a non-contrast prospective gating acquisition for coronary calcium scoring followed by contrast-enhanced helical retrospective gated scans for the detection of coronary artery origin, course, termination, and detection of concomitant atherosclerosis. We scanned 1000 patients with a mean age of 57.5 ± 8.3, and 68% were males. Thirty-two anomalies were noted (3.2%) including;nineteen (1.9%) anomalous origin from the opposite sinus, three (0.3%) anomalous left coronary arteries from the pulmonary artery (ALCAPA), one (0.1%) super dominant left anterior descending artery (LAD) giving origin to the posterior descending artery (PDA), three single coronary arteries (0.3%)in which the left main (LM) and right coronary arteries were originating with a common stem from the right coronary sinus (RCS)and the LM took a pre-pulmonic course. Along with six (0.6%) dual LAD including five (0.5%) patients with type I (short LAD and long diagonal), there was one (0.1%) type 4 with an extra LAD originating from the RCS with a pre-pulmonic course. Conclusions: MDCT allows easy detection of coronary anomalies with high spatial resolution and overcomes limitations in conventional invasive coronary angiography. Based on our study we recommend the use of MDCT as an efficient and feasible modality for the diagnosis of coronary anomalies once this p

关键词： Coronary Artery Anomalies Spatial Resolution Multi-Detector Computed Tomography

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