Author: Zhao Yongbo

Affiliation: Fourth Hospital of Hebei Medical University

Overview of Aortic Coarctation and Interrupted Aortic Arch

• Epidemiology: Primarily affects infants and young children, with adult presentations being relatively rare. CoA accounts for 4%-8% of all congenital heart diseases, located typically distal to the left subclavian artery near the ductus arteriosus. IAA is even rarer, accounting for about 1.5% of cases.

Clinical Manifestations and Treatment of Aortic Coarctation

• Symptoms: CoA often leads to differential blood pressure between the upper and lower limbs, characterized by hypertension in the upper body and hypotension in the lower body.

• Treatment Approaches: Ranges from conservative management to interventional treatments, with choices influenced by the severity and location of the narrowing.

Strategies for Managing Interrupted Aortic Arch

• Surgical Techniques: Includes resection with end-to-end anastomosis and extra-anatomical bypass grafting, particularly ascending to descending aortic bypass, to reduce the risk of restenosis and improve survival rates.

Case Analysis

• Complex Cases: Discusses cases involving CoA with subsequent development of interruption and aneurysms, illustrating the diagnostic challenges, surgical complexities, and postoperative management.

Conclusions and Future Directions

• Advancements: Highlights recent progress in managing these complex conditions and the potential of evolving technologies, particularly in endovascular therapies, to improve treatment outcomes.

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