Stent dilatation of the pulmonary artery stenosis in the adult patient with congenital heart disease

Stents have been previously used to resolve stenoses of branch pulmonary ar teries in children. We report 3 patients, with mean age of 22.7 +/- 4.7 yea rs and pulmonary artery stenosis after palliative surgery in whom we implan ted seven stents in four procedures. Six P308 Palmaz, overlapped two by two , were implanted by venous femoral approach in two patients, receiving four in the first case and the other two in the third case. In the second case, a NIR type stent was implanted through femoral artery in the right pulmona ry artery. Stenosis diameter enlarged from 5.3 +/- 2.3 to 14.4 +/- 4.2 mm a nd the pressure gradient through stenosis fell from 40.6 +/- 15.3 to 6.5 +/ - 5 mmHg. All stents are well deployed and there are two patients waiting f or total correction (previously not feasible) during a follow-up of 30.8 +/ - 6.1 months.