Balloon pulmonary valvuloplasty and stent implantation. For peripheral pulmonary artery stenosis in Alagille syndrome.

We report the case of a patient with Alagille syndrome and severe pulmonary valve and bilateral pulmonary artery branch stenosis. In this patient, transcatheter balloon pulmonary valvuloplasty combined with bilateral pulmonary artery angioplasty and stent placement provided excellent immediate results and long-term improvement.