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Original Article
Percutaneous Balloon Valvuloplasty in Children with Pulmonary and Aortic Valvular Stenosis.
Chan Uhng Joo, Jung Soo Kim, Ho Yunh Song
Clin Exp Pediatr. 1989;32(9):1224-1231.   Published online September 30, 1989
Pulmonary and aortic valvular stenosis were relieved by percutaneous balloon valvuloplasty during cardiac catheterization on 14 children aged 22 months to 18 years. Before dilatation the transpulmonary systolic pressure gradients ranged from 43 mmHg (mean 87. 8 mmHg) in children with pulmonary valvular stenosis. There were significant reduction in the transpulmonary systolic pressure gradient (mean 33.1 mmHg) immediately after balloon valvuloplas- ty except one patient...


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