AUTHOR=Zhou Shifan , Liu Lu , Jin Xiaochuang , Dorikun Daniel , Ma Songfeng TITLE=Biomarkers predicting postoperative adverse outcomes in children with congenital heart disease: a systematic review and meta-analysis JOURNAL=Frontiers in Pediatrics VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2025.1508329 DOI=10.3389/fped.2025.1508329 ISSN=2296-2360