Long-Term Cardiovascular Outcomes After Aortic Coarctation Repair

Aortic coarctation repair in infancy or childhood has evolved into a highly successful intervention, yet survivors face lifelong cardiovascular sequelae. Even after anatomically satisfactory correction, up to one-third of patients develop systemic hypertension, reflecting persistent vascular dysfunction. The repair site and adjacent aortic segments often exhibit reduced distensibility and increased stiffness, contributing to elevated pulse wave velocity and abnormal wave reflections that impose a chronic pressure load on the left ventricle. Over time this afterload may lead to left ventricular hypertrophy, diastolic dysfunction and impaired exercise tolerance. Recoarctation and aneurysm formation at the repair site remain important mechanical complications requiring vigilant imaging surveillance. Cerebrovascular anomalies, including intracranial aneurysms and variations in the circle of Willis, add to the neurovascular risk profile. Early intervention appears to mitigate some adverse remodelling, but even optimally treated individuals require lifelong follow-up with tailored blood pressure control, non-invasive haemodynamic assessment and timely re-intervention when necessary. Emerging insights into arterial biomechanics and ventricular–vascular coupling are guiding refined management strategies to improve quality of life and long-term survival.

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Long-Term Cardiovascular Outcomes After Aortic Coarctation Repair publication trend

The graph below shows the total number of articles in long-term cardiovascular outcomes after aortic coarctation repair across all publications each year (not limited to Nature Index journals).

Technical terms

Aortic distensibility: The capacity of the aortic wall to expand and recoil with each heartbeat, reflecting its elasticity.

Pulse wave velocity: The speed at which the pressure wave travels along the aorta, serving as an index of arterial stiffness.

Wave reflections: Backward-travelling pressure waves generated at sites of impedance mismatch in the arterial tree, influencing central blood pressure and ventricular afterload.

Exercise-induced hypertension: An exaggerated systolic blood pressure response during physical activity that exceeds age- and sex-specific thresholds.

Recoarctation: The re-narrowing of the aorta at or near the surgical repair site, which may necessitate further intervention.

References

1. Comparison of aortic stiffness and hypertension in repaired coarctation patients with a bicuspid versus a tricuspid aortic valve. Journal of Cardiovascular Magnetic Resonance (2023).
2. Abnormal Wave Reflections and Left Ventricular Hypertrophy Late After Coarctation of the Aorta Repair. Hypertension (2017).
3. Results of Screening for Intracranial Aneurysms in Patients with Coarctation of the Aorta. American Journal of Neuroradiology (2012).
4. Prognostic Implications of Exercise-Induced Hypertension in Adults With Repaired Coarctation of Aorta. Hypertension (2022).