Impact of fetal pulmonary valvuloplasty in in-utero critical pulmonary stenosis: A systematic review and meta-analysis.

Background: Untreated critical pulmonary stenosis may develop into pulmonary atresia with intact ventricular septum, which is associated with a high risk of morbidity and mortality both in fetuses and neonates. In this meta-analysis, we sought to discover the potential of fetal pulmonary valvuloplasty that might affect patients' survival compared to other available procedures.

Methods: This systematic review and meta-analysis were conducted based on the PRISMA guideline.