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"Double-lumen" aortic arch with "double-lumen" brachiocephalic artery
Rengarajan Rajagopal1, Pawan Kumar Garg2, Pushpinder Singh Khera2
1Department of Cardiovascular Radiology and Endovascular Interventions, All India Institute of Medical Sciences, New Delhi, India.
Annals of Pediatric Cardiology
|May 31, 2019
Summary
The persistence of the embryological fifth aortic arch is debated. This case report describes a rare bilateral persistence potentially explaining congenital kyphoscoliosis and variant aortic anatomy.
Area of Science:
- Embryology
- Cardiovascular Anatomy
- Medical Case Reports
Background:
- The embryological fifth aortic arch's persistence in postnatal life remains a long-standing debate in anatomical and embryological research.
- Understanding aortic arch anomalies is crucial for diagnosing and managing congenital heart defects.
Observation:
- A patient presented with congenital kyphoscoliosis and unusual anatomy of the aortic arch and brachiocephalic trunk.
- This unique presentation prompted an investigation into potential underlying embryological explanations.
Findings:
- The observed variant anatomy is hypothesized to result from the persistence of bilateral fifth aortic arches.
- This specific pattern of bilateral fifth aortic arch persistence has not been previously documented in scientific literature.
Implications:
- This finding may offer a novel explanation for certain complex congenital aortic arch anomalies.
- Further research into the embryological development of aortic arches could refine our understanding of rare vascular malformations.