Percutaneous Balloon Dilatation for Congenital Aortic Stenosis During Infancy: A 15-year Single-center Experience

Overview

Journal Ann Pediatr Cardiol

Specialty Cardiology & Vascular Diseases

Date 2018 Jun 21

PMID 29922011

Citations 1

Authors

Abdulraouf M Z Jijeh

Muna Ismail

Aisha Al-Bahanta

Ahmed Alomrani

Omar Tamimi

Affiliations

Soon will be listed here.

Abstract

Background: Congenital aortic stenosis (AS) is a rare disease. Treatment options for newborns are challenging. Newborns may have higher reintervention rate and mortality.

Objectives: The study aimed to identify the factors predictive of reintervention following balloon aortic valvuloplasty (BAV) for AS during infancy.

Methods: Retrospectively, between 2001 and 2016, echocardiography (echo) and cardiac catheterization data for infants with AS were analyzed, including follow-ups and reinterventions. Percentage reduction was defined as the ratio between the drop of aortic valve (AV) peak gradient and the baseline peak gradient.

Results: Sixty infants were included and 48 were followed up. Sixteen (27%) patients were neonates. Peak-to-peak gradient at AV was 64 ± 27 mmHg, which was reduced to 27 ± 13 mmHg. Percentage reduction was 53% ±24%. Forty-nine (82%) patients had adequate results (residual AV gradient <35 mmHg). There was no significant aortic insufficiency (AI) before procedure, while 6 (10%) patients had increased AI immediately after BAV. Of 48 patients, 14 (29%) required an additional BAV. Of 48 patients, 8 (17%) required surgical interventions following BAV. Reintervention was associated more with small left ventricular outflow tract (LVOT), high residual AV, and low percentage reduction. Mortality was 8.3%.

Conclusions: BAV in infancy has a reasonable success rate (82%) with high rate of reintervention. Patent ductus arteriosus-dependent neonates carried the highest risk of mortality. Small LVOT, high AV residual gradient, and low percentage reduction resulted in more reinterventions.

Citing Articles

Prevalence of Bicuspid Aortic Valve and Associated Aortopathy in Newborns in Copenhagen, Denmark.

Sillesen A, Vogg O, Pihl C, Raja A, Sundberg K, Vedel C JAMA. 2021; 325(6):561-567.

PMID: 33560321 PMC: 7873775. DOI: 10.1001/jama.2020.27205.

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