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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...
Percutaneous Balloon Angioplasty in Patients with Congenital Aortic Valvular Stenosis.
Yong Soo Yun, Chang Yee Hong
Clin Exp Pediatr. 1988;31(7):817-821.   Published online July 31, 1988
Aortic valve stenosis was relieved by balloon dilatation during cardiac catheterization on 9 children aged 1 month to 15 years. Aortic valve diameter was estimated by two dimensional echocardiography to assist in the choice of balloon size. Before dilatation the transaortic systolic pressure gradients ranged from 60 mmHg to 177 mmHg, (mean: 91 ±38 mmHg). There were signifeant reduction in the transaortic systolic pressure...


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