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Angiographic evidence of right coronary bridging
A B Woldow1, S Goldstein, S Yazdanfar
1Department of Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania.
Insights
Systolic constriction, or "bridging," in the right coronary artery is a rare finding. This case report presents angiographic evidence of this phenomenon, previously only documented in the left anterior descending coronary artery.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Anatomical Pathology
Background:
- Systolic constriction of the left anterior descending coronary artery due to an intramural course is a known angiographic and autopsy finding.
- An intramural course of the right coronary artery has been documented in autopsies, but not previously associated with systolic constriction or "bridging" on angiography.
Observation:
- This case report details a rare instance of systolic constriction observed in the right coronary artery during coronary angiography.
- The observed phenomenon in the right coronary artery mirrors the previously recognized "bridging" in the left anterior descending coronary artery.
Findings:
- The study presents the first angiographic evidence of systolic constriction of the right coronary artery.
- This finding expands the understanding of coronary artery anomalies and their potential clinical manifestations.
Implications:
- The identification of right coronary artery "bridging" may necessitate a re-evaluation of diagnostic criteria and clinical significance.
- Further research is warranted to explore the potential for exercise-induced ischemia in patients with this anomaly.
Abstract:
Systolic constriction of the left anterior descending coronary artery is a well-recognized angiographic and autopsy finding. The etiology of this phenomenon is an intramural course of the coronary artery. Even though there has been autopsy evidence of an intramural course of the right coronary artery, this rare finding has not been associated with systolic constriction, "bridging" on coronary angiography. There is evidence that strenuous exercise can induce ischemia in an intramural left coronary artery. We therefore present a case report of angiographic evidence of systolic constriction of the right coronary artery.