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Coarctation of the aorta: four unusual instances
Insights
This study presents four rare cases of coarctation of the aorta, highlighting unique locations and associated conditions. Early identification through physical exam and imaging is crucial for timely surgical repair of these aortic arch abnormalities.
Area of Science:
- Cardiovascular Surgery
- Pediatric Cardiology
- Medical Imaging
Background:
- Coarctation of the aorta is a congenital narrowing of the aortic arch.
- Typical coarctation occurs at the aortic isthmus.
- Atypical presentations require careful diagnostic consideration.
Observation:
- Presents four unusual cases of coarctation of the aorta.
- Three cases involved proximal locations to the left subclavian artery.
- One case had a normal location with patent ductus arteriosus and anomalous right subclavian artery.
Findings:
- Unusual coarctations can be detected via physical examination by noting blood pressure and pulse variations in upper extremities.
- Chest roentgenograms may reveal unilateral rib notching.
- Aortography precisely delineates the location of the coarctation.
Implications:
- Highlights the importance of thorough physical examination for diagnosing atypical coarctation of the aorta.
- Emphasizes the role of imaging modalities like chest roentgenogram and aortogram in diagnosis.
- Describes four distinct surgical repair methods for these rare conditions, expanding treatment options.
Abstract:
Four unusual instances of coarctation of the aorta are presented. Three coarctations were located proximal to the left subclavian artery, and the other was in the normal location with a patent ductus arteriosus and an anomalous distal right subclavian artery. Unusual coarctations can be identified on physical examination on the basis of variations of blood pressure and pulses in the upper extremities. Unilateral rib notching may be noted on chest roentgenogram, and an aortogram can delineate its exact location. Four separate means of surgical repair are described.