title: Reoperation in congenital aortic stenosis.
abstract: Over a 22-year period, 81 patients underwent initial operations for critical aortic stenosis at our institution. Their ages ranged from 3 days to 20 years (mean, 7.3 +/- 5.9 years). Fourteen (17%) were infants less than 1 year old. Three children died perioperatively (3.7%). We have followed the survivors and 3 children who underwent initial operations elsewhere for a mean of 9.0 +/- 6.8 years (range, 2 to 23 years). To the present, 27 patients have undergone one reoperation (24 of our initial survivors) at a mean interval of 7.3 years, with 2 perioperative deaths. Ten of these patients have required a second reoperation at a mean interval of 3.7 years, with 2 deaths perioperatively. There were 3 late cardiac deaths after the initial procedure and 1 after a third operation. Actuarial reoperation-free survival is 56.7% at 10 years. While overall survival is 88.6% at 10 years, we find a significantly poorer survival among those patients with valvular stenosis compared with those with subvalvular lesions (p = 0.03). We believe that for children with all levels of aortic stenosis, good functional results and survival can best be obtained by follow-up, recatheterization, and reoperation.
mesh_terms: D000206:Actuarial Analysis; D000293:Adolescent; D001021:Aortic Valve / Q000601:surgery; D001024:Aortic Valve Stenosis / Q000151:congenital / Q000401:mortality / Q000601:surgery*; D001705:Bioprosthesis; D002648:Child; D002675:Child, Preschool; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012086:Reoperation / Q000401:mortality; D012189:Retrospective Studies