Abstract
Abstract
Background
Closure of perimembranous ventricular septal defects (pmVSD), either surgical or percutaneous, might improve or cause new-onset mitral regurgitation (MR) and aortic regurgitation (AR). We aimed to evaluate the changes in MR and AR after pmVSD closure by these two methods.
Material and method
We performed a comparative retrospective data review of all pediatric patients with pmVSDs treated at our institution with surgical or antegrade percutaneous methods from 2014 to 2019 and 146 consecutive patients under 18 years were enrolled. We closely looked at the mitral and aortic valve function after repair. Included patients had no or lower than moderate aortic valve prolapse and baseline normal mitral or aortic valve function or less than moderate MR or AR.
Results
Out of 146 patients, 83 (57%) pmVSDs were closed percutaneously, and 63 (43%) pmVSDs were closed surgically. 80 and 62 patients were included for MR evaluation, and 81 and 62 patients for AR evaluation in percutaneous and surgical groups. The mean follow-up time was 40.48 ± 21.59 months in the surgery group and 20.44 ± 18.66 months in the transcatheter group. Mild to moderate degrees of MR and AR did not change or decreased in most patients. In detail, MR of 70% and AR of 50% of the valves were resolved or decreased in both groups. 13% of patients with no MR developed trivial to mild MR, and 10% of patients with no AR showed mild to moderate AR after pmVSD closure in both methods. There was no significant difference between the two methods regarding emerging new regurgitation or change in the severity of the previous regurgitation.
Conclusion
pmVSD closure usually improves mild to moderate MR and AR to a nearly similar extent in both percutaneous and surgical methods among children and adolescents. It might lead to the onset of new MR or AR in cases with no regurgitation.
Publisher
Springer Science and Business Media LLC
Subject
Cardiology and Cardiovascular Medicine
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