Comparative Long-Term results of surgery versus balloon valvuloplasty for pulmonary valve stenosis in infants and children Claire Peterson, MD, Johanneke J Schilthuis, MD, Ali Dodge-Khatami, MD, J.Francois Hitchcock, MD, PhD, Erik J Meijboom, MD, PhD, Ger B.W.E Bennink, MD, PhD The Annals of Thoracic Surgery Volume 76, Issue 4, Pages 1078-1083 (October 2003) DOI: 10.1016/S0003-4975(03)00678-7
Fig 1 (A) Time-related curve of mean transpulmonary valve gradients (solid line) after surgical valvotomy preoperatively (Pre), postoperatively (Post), and at follow-up with 80% confidence intervals (dashed lines). (B) Time-related curve of mean transpulmonary valve gradients after balloon valvuloplasty (solid line) preoperatively, postoperatively, and at follow-up with 80% confidence intervals (dashed lines). The Annals of Thoracic Surgery 2003 76, 1078-1083DOI: (10.1016/S0003-4975(03)00678-7)
Fig 2 Kaplan-Meier curves illustrating freedom from reintervention in isolated pulmonary valve stenosis managed by surgery (n = 54) or balloon valvuloplasty (n = 92). The Annals of Thoracic Surgery 2003 76, 1078-1083DOI: (10.1016/S0003-4975(03)00678-7)