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[Stents in aortic coarctation. Immediate results]
M Ledesma1, E Díaz y Díaz, C Alva Espinosa
1Hospital de Cardiología del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, México, D.F.
Archivos Del Instituto De Cardiologia De Mexico
|February 28, 1998
Summary
Palmaz stent implantation effectively treated aortic coarctation in young adults, significantly reducing pressure gradients with no major complications. This minimally invasive approach offers a promising alternative to surgery.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
- Medical Devices
Background:
- Coarctation of the aorta is a congenital narrowing of the aorta.
- Surgical repair and balloon angioplasty have been traditional treatments.
- Stent implantation offers a potential alternative for managing aortic coarctation.
Purpose of the Study:
- To evaluate the feasibility and efficacy of Palmaz stent implantation for treating aortic coarctation.
- To assess the impact of stenting on pressure gradients and patient outcomes.
Main Methods:
- Six patients (13-30 years) with aortic coarctation underwent Palmaz stent implantation.
- Stents were implanted without predilation, using balloon diameters of 12-20 mm.
- Post-implantation gradient and pressure were measured.
Main Results:
- Mean pre-stent gradient of 44 mmHg decreased to a mean of 2 mmHg post-stent.
- Systolic aortic pressure decreased from 135 mmHg to 117 mmHg.
- No significant complications or mortality were observed.
Conclusions:
- Balloon-expandable stent implantation is a feasible and safe treatment for aortic coarctation.
- Stenting effectively alleviates obstruction, reduces pressure gradients, and improves angiographic appearance.
- It presents an excellent alternative to surgical treatment with minimal morbidity.