Medscape22 天
Percutaneous balloon valvuloplasty for pulmonic stenosis in adolescents and adults.
RESULTS: After balloon valvuloplasty, the systolic pressure gradient across the pulmonic valve decreased from 91 +/- 46 mm Hg to 38 +/- 32 mm Hg (P < 0.001), and the diameter of the pulmonic-valve ...