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Preoperative Physiology, Imaging, and Management of Coarctation of Aorta in Children
Madhusudan Ganigara1, Arpan Doshi2, Iman Naimi3
1Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, NY, USA.
Insights
Coarctation of the aorta (CoA) is a congenital heart defect causing aortic narrowing. Management varies from surgery to angioplasty, with lifelong monitoring essential for outcomes.
Area of Science:
- Cardiology
- Pediatric Cardiology
- Vascular Biology
Background:
- Coarctation of the aorta (CoA) is a congenital narrowing of the thoracic aorta.
- CoA presents with diverse clinical manifestations, from critical neonatal obstruction to later-onset hypertension.
Purpose of the Study:
- To review the varied anatomy, pathophysiology, and clinical presentations of coarctation of the aorta.
- To discuss current diagnostic modalities and management strategies for CoA.
- To highlight the importance of long-term surveillance after intervention.
Main Methods:
- Review of existing literature on coarctation of the aorta.
- Analysis of diagnostic imaging techniques including echocardiography, CT, and MRI.
- Overview of surgical and interventional treatment options.
Main Results:
- CoA exhibits significant anatomical and pathophysiological variability.
- Diagnostic approaches range from echocardiography to advanced imaging based on patient age and severity.
- Interventions include surgery and percutaneous angioplasty/stenting.
Conclusions:
- Coarctation of the aorta requires tailored management based on individual presentation.
- Lifelong surveillance is crucial for detecting residual obstruction and hypertension post-intervention.
- Long-term clinical outcomes for CoA patients are variable.
Abstract:
Coarctation of the aorta (CoA) is a narrowing of the proximal thoracic aorta typically located at the junction of the aorta with the ductus arteriosus. While it is a simple lesion to understand, considerable variation exists in the anatomy and pathophysiology, leading to varied clinical presentation, management options, and prognosis. On the one hand critical CoA manifests in the neonatal period as a duct-dependent lesion, while less severe forms of obstruction present later in childhood or adulthood as hypertension or incidentally noted precordial murmurs. While transthoracic echocardiography is usually adequate, older children and adults may need more advanced imaging modalities like computed tomography and magnetic resonance imaging prior to intervention. Depending on the type of lesion, management options currently available include surgery and percutaneous balloon angioplasty and stenting. Even after successful interventions, these patients need life-long surveillance for residual aortic obstruction and systemic hypertension with variable long-term clinical outcomes.
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