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ORIGINAL ARTICLE
Korean J Pediatr 1999 May;42(5) :631-636.
Balloon Valvuloplasty of Pulmonary Stenosis in Patients Younger than 6 Months of Age
Yang Park (Park Y), Do Jun Cho (Cho DJ), Woo Sub Sim (Sim WS), In Seung Park (Park IS), Eun Jung Bae (Bae EJ), Seong Ho Kim (Kim SH)
Department of Pediatrics, Sejong General Hospital, Pucheon, Korea
Corresponding Author: Seong Ho Kim ,Email: 1
Copyright © 1999 by The Korean Pediatric Society
ABSTRACT
Purpose : Balloon valvuloplasty(BVP) is the treatment of choice for valvular pulmonary stenosis (PS). However, this procedure was usually performed in children older than 2 years. The purpose of the present study was to assess the safety and efficacy of BVP in young infants. Methods : Retrospective analysis of the medical records of 25 infants younger than 6 months of age who received BVP for PS including critical PS between July 1991 and September 1997 were evaluated. Results : The arterial oxygen saturation before and after procedure was 76.7% and 90.0%, respectively(P<0.001). Transvalvar pressure gradients measured with continuous wave Doppler echocardiography changed from 103.227.1mmHg to 34.814.4mmHg(P<0.001) and 29.315.9 mmHg after 6 months(P=0.075). The systolic pressure ratio of right and left ventricle before and after procedure was decreased from 1.400.4 to 0.740.3(P<0.001). Successful gradient relief was achieved with initial BVP in 21 out of 25 infants. There was one procedural death and one emergency surgery after BVP. Four of the 23 remaining patients required repeated BVP. Conclusion : Balloon valvuloplasty in young infants is a safe and effective procedure. In patients with symptomatic severe PS, balloon valvuloplasty should be recommended at an early age.
Keywords: Balloon valvuloplasty | Infant | Pulmonary valvular stenosis
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