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Self expanding stents in congenital heart disease
A N Redington1, J Weil, J Somerville
1Department of Paediatrics, Royal Brompton Hospital, London.
Insights
Self-expanding stents offer a viable treatment for congenital heart disease patients with complex stenoses. These stents provide successful, uncomplicated placement in challenging cases, improving hemodynamic outcomes.
Area of Science:
- Interventional Cardiology
- Congenital Heart Disease Management
Background:
- Congenital heart disease (CHD) often involves complex vascular stenoses.
- Traditional balloon-expandable stents may be suboptimal for certain CHD anatomies.
Purpose of the Study:
- To evaluate the clinical utility and indications for self-expanding stents in pediatric and adult CHD patients.
- To demonstrate the feasibility of self-expanding stent placement in challenging stenotic lesions.
Main Methods:
- A descriptive study was conducted at a tertiary referral center.
- Ten patients (15 days to 32 years) with CHD and persistent stenoses unsuitable for balloon-expandable stents were included.
- Indications included post-surgical anastomoses, pulmonary atresia, coarctation of the aorta, and venous stenosis.
Main Results:
- Successful and uncomplicated placement of 10 self-expanding stents was achieved.
- Desired hemodynamic results were obtained, even in tortuous vessels with multiple stenoses.
- The smaller delivery system and flexibility of self-expanding stents facilitated placement.
Conclusions:
- Self-expanding stents are a valuable treatment option for specific cases of CHD.
- Consideration should be given to their use when smaller delivery systems, flexibility, or treatment of long/multiple stenoses are required.
Objectives:
To show potential indications for and clinical use of self expanding stents in patients with congenital heart disease.
Design:
Descriptive study of selected, non-randomised patients with balloon expandable but persistent stenoses in whom the use of a balloon expandable stent was considered suboptimal or impossible.
Setting:
A tertiary referral centre.
Patients:
10 patients, aged 15 days to 32 years. Six patients after atriopulmonary or cavopulmonary anastomosis, two with pulmonary atresia and multiple aortopulmonary collaterals, one with coarctation of the aorta, and one with congenital pulmonary venous stenosis.
Results:
Successful, uncomplicated, placement of 10 stents with the desired haemodynamic results, even in tortuous vessels with many stenoses.
Conclusions:
Self expanding stents have a role in the treatment of patients with congenital heart disease. They should be considered when a smaller delivery system and flexibility would aid placement, or in the treatment of long or multiple sequential stenoses.