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Trapezoidal aortoplasty: technic proposal for aortic coarctation

The authors propose a technical variation that aimes to optimize the aorta diamenter at the site of the anastomosis, obviating the chance of developing fibrosis retraction and intraortic gradients at the long term follow-up. Following the removal of the coartation site, 3 trapezoidal flaps are shaped at each aorta end. These flaps when approached will fit perfectly. These flaps are shaped by 3 identical coinning at each aortic end, and the anastomosis will approached the projection of one end to the recess of the other. The result is a zig-zag sinusoid like suture. Until now 5 patients underwent this technique with age 2 months, 4 months, 10 and 36 years. Three were male. There were no surgical complication. The first case (2 months with associated congenital cardiopathy) had recoarctation in the 9th month of folow up, and required reintervention. This was problably due to technical difficulties or inadequate indication. The proposed technique yelds a large lumen, maybe even larger than the reference diameter at the anastomosis site. Such diameter depends on the flaps depht in each aortic end.

aortic coarctation; surgery


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