title: Percutaneous balloon aortic valvuloplasty in the treatment of congenital valvular aortic stenosis in children.
abstract: OBJECTIVE
  To assess the effect of the balloon valvuloplasty for for congenital valvular aortic stenosis (AS) in children.
  
  
  METHODS
  A total of 27 (mean age 6.09 years) children with AS accepted the treatment of percutaneous balloon aortic valvuloplasty (PBAV). The ratios of balloon/valve were 0.95 +/- 0.08 for 19 cases of typical AS and 1.00 +/- 0.11 for 8 cases of hypoplastic AS. The patients were evaluated by the gradients across aortic valves in pre- and post-PBAV and by echocardiogram during the follow-up period.
  
  
  RESULTS
  Fifteen of 19 (78.9%) cases of typical AS had a better outcome and the gradient of the remaining 4 cases (26.7%) had increased after follow-up (delta P > 50 mm Hg). Four of 8 (50.0%) cases of hypoplastic AS had satisfactory responses and the gradient of the remaining 3 cases (75.0%) rose. There was no moderate to severe aortic insufficiency (AI).
  
  
  CONCLUSIONS
  The balloon aortic valvuloplasty provides safe and significant hemodynamic and clinical improvement in pediatric patients. The outcome of PBAV for typical AS is better than for hypoplastic AS.
authors.affiliation: Department of Pediatric Cardiology, Shanghai Children's Medical Center, Shanghai 200127, China.
authors.forename: W
authors.initials: W
authors.lastname: Gao
authors.forename: A
authors.initials: A
authors.lastname: Zhou
authors.forename: R
authors.initials: R
authors.lastname: Wang
authors.forename: Z
authors.initials: Z
authors.lastname: Yu
authors.forename: F
authors.initials: F
authors.lastname: Li
authors.forename: M
authors.initials: M
authors.lastname: Huang
authors.forename: J
authors.initials: J
authors.lastname: Yang
mesh_terms: D000293:Adolescent; D001024:Aortic Valve Stenosis / Q000473:pathology / Q000503:physiopathology / Q000628:therapy*; D002404:Catheterization; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006439:Hemodynamics; D006801:Humans; D008297:Male