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Aortic Valvuloplasty in Pediatric Age  

임홍국 (서울대학교병원 흉부외과, 서울대학교 의과대학 흉부외과학교실)
박천수 (서울대학교병원 흉부외과, 서울대학교 의과대학 흉부외과학교)
황호영 (서울대학교병원 흉부외과, 서울대학교 의과대학 흉부외과학교)
김웅한 (서울대학교병원 흉부외과, 서울대학교 의과대학 흉부외과학교)
이정렬 (서울대학교병원 흉부외과, 서울대학교 의과대학 흉부외과학교)
노준량 (서울대학교병원 흉부외과, 서울대학교 의과대학 흉부외과학교)
김용진 (서울대학교병원 흉부외과, 서울대학교 의과대학 흉부외과학교실)
Publication Information
Journal of Chest Surgery / v.37, no.8, 2004 , pp. 652-659 More about this Journal
Abstract
Background: In this study, we retrospectively analyzed the outcomes of aortic valvuloplasty in pediatric age. Material and Method: Between January 1993 and March 2004, 35 patients underwent aortic valvuloplasty for aortic stenosis (AS) or aortic regurgitation (AR). The mean age was 81.1$\pm$61.5 (1∼223) months. The mean follow up was 50.8$\pm$30.2 (3∼121) months. Nine patients had AS, 21 had AR, and 6 had AS and AR. Valve morphology was tricuspid in 24 patients, bicuspid in 9, quadricuspid in 1, and unicuspid in 1. The mean peak pressure gradients of AS were 72.0$\pm$33.0 mmHg, and the mean grades of AR were 3.1$\pm$0.9. Result: There was one late mortality without early mortality. After operation, AS improved with mean peak pressure gradients of 23.5$\pm$21.0 mmHg (p < 0.05), and AR improved with mean grades of 1.9$\pm$0.8 (p < 0.05). At mean follow up of 35.0$\pm$23.0 months, AS maintained with mean peak pressure gradients of 31.5$\pm$24.0 mmHg, but AR progressed with mean grades of 2.8$\pm$1.3 (p < 0.05). Reoperation was required in 6 patients 38.3$\pm$21.8 months after the original operation. The actuarial figures for freedom from reoperation at 2, 5 and 8 years were 96.9$\pm$3.1%, 79.5$\pm$5.5%, and 56.8$\pm$11.4%, respectively. Age at operation, presence of AS, preoperative severity of AS or AR, and morphology of aortic valve were not significant risk factors for reoperation, and improvement of AS or AR. Conclusion: Aortic valvuloplasty showed good immediate postoperative valve function. Aortic valvuloplasty offers children many years with tolerable valve function and allows to postpone aortic valve replacement or Ross procedure in pediatric patients.
Keywords
Aortic valve; Aortic valve, surgery; Aortic valve, repair;
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