Transcatheter therapy of long extreme subatretic aortic coarctations with covered stents

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
P EwertP E Lange

Abstract

We report our experience with the transcatheter treatment of long extreme subatretic coarctations in four adult patients by the implantation of covered stents. The minimal narrowing of the stenosis was 0.014'' to 2 mm; the hypoplastic distance measured between 21 and 42 mm. Polytetrafluoroethylene-covered stents 39-50 mm long were implanted and 6 months later redilated. Residual pressure gradients ranged from 0 to 10 mm Hg. One stent fracture required the implantation of a second stent after 6 months. The follow-up period ranges from 18 to 4 months and has been uneventful so far. Covered stents seem to have the potential to extend the limits of interventional therapy to extreme forms of aortic coarctations.

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