Intra-atrial course of the right coronary artery demonstrated at computed tomography coronary angiography
Yeong Shyan Lee1, Gorka Bastarrika, U Joseph Schoepf
1Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC 29401, USA. schoepf@musc.edu
Insights
Anomalies of the right coronary artery are rare but increasingly diagnosed with CT angiography. This case highlights an intra-atrial course variant, crucial for preventing surgical complications.
Area of Science:
- Cardiovascular Imaging
- Anatomical Variations
- Interventional Cardiology
Background:
- Anomalies of the right coronary artery (RCA) are uncommon but significant.
- Noninvasive imaging, particularly coronary computed tomography angiography (CCTA), is improving detection rates.
- Unrecognized RCA anomalies can lead to severe complications during cardiac procedures.
Observation:
- This report details a specific case of an anomalous RCA.
- The anomaly involved an intra-atrial course of the right coronary artery.
- Diagnosis was achieved noninvasively using dual-source computed tomography coronary angiography.
Findings:
- The study identified an intra-atrial course of the right coronary artery.
- This specific anomaly was diagnosed using advanced dual-source CT angiography.
- The findings underscore the importance of detailed anatomical assessment.
Implications:
- Accurate noninvasive diagnosis of RCA anomalies is critical for patient safety.
- Recognition of variants like the intra-atrial course can prevent intraoperative or interventional complications.
- Enhanced understanding of coronary artery anomalies improves surgical and interventional planning.
Abstract:
Anomalies of the course of the right coronary artery are relatively rare but are diagnosed with increasing frequency by noninvasive coronary computed tomography angiography. Although most findings of right coronary artery anomalies are inconsequential, there are certain variants that can result in catastrophic complications during surgical or interventional procedures if not recognized. We present a case of intra-atrial course of the right coronary artery noninvasively diagnosed by dual-source computed tomography coronary angiography.
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