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Revista Médica La Paz
On-line version ISSN 1726-8958
Abstract
HEATH, Alexandra et al. PERCUTANEOUS ANGIOPLASTY IN AORTIC COARCTATION. Rev. Méd. La Paz [online]. 2010, vol.16, n.2, pp.18-25. ISSN 1726-8958.
Local experience in the technique of balloon catheter angioplasty, performed in seven patients aged between 1 month and 27 years, 5 males and 2 females, diagnosed with native aortic coarctation. After the sedation, the introducer was collocated in the femoral artery, and guide wires and catheters were pushed forward until the transverse aorta in order to obtain angiographic images and to measure invasive pressures in all the segments. The mean pressure gradient before the intervention was 41.5mmHg (range:21-69mmHg) and decreased post intervention to 10mmHg (range:0-20mmHg). The mean diameter of the coarctation pre dilatation was 4.3mm (range:2.3-9.4mm) and increased post dilation to 8.4mm(range:5.5-13.5mm). The final result was satisfactory because the pressure gradient was significantly reduced, the aortic diameter increased and the pulses in all four extremities symmetrical. Clinical stability was achieved and the procedure proved to be favorable for all the patients. Controls until one year post intervention showed that the gradient did not change over the time, except in the case of a one month old girl, who developed recoarctation and was operated in elective conditions, as it is usual for this group of age.
Keywords : Aortic Coarctation; Balloon angioplasty; Interventional Catheterization.