title: [Percutaneous dilatation of pulmonary valve stenosis].
abstract: We present 11 cases of pulmonary valve stenosis who underwent percutaneous dilatation angioplasty. Patients were between 2 and 15 years old (mean age = 6.5 yrs) and all of them except 3 had moderate or severe degree of valve stenosis. Pulmonary anulus diameter ranged between 11 and 23 mm. at ECHO and between 10 and 21 mm. at angio. The catheter was chosen to be 20-40% larger than pulmonary anulus. The mean pressure gradient between RV and PA was 65 mmHg. before dilatation and 21 mmHg. after the procedure. The procedures were without complications, except one in which we observed an intermittent idioventricular rhythm for few days after the procedure. Percutaneous dilatation angioplasty has to be considered the treatment of choice for pulmonary valve stenosis.
mesh_terms: D000293:Adolescent; D000800:Angioplasty, Balloon / Q000009:adverse effects; D001145:Arrhythmias, Cardiac / Q000209:etiology; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male; D011666:Pulmonary Valve Stenosis / Q000628:therapy*
vernacular_title: Dilatazione percutanea delle stenosi valvolari polmonari.