AUTHOR=Yasmin Farah , Mashkoor Yusra , Najeeb Hala , Shaikh Ayra Asim , Nusrat Butool , Moeed Abdul , Asghar Muhammad Sohaib , Alraies Chadi TITLE=Efficacy of the Renal-guard system in the prevention of contrast-induced nephropathy following cardiac interventions among patients with chronic kidney disease JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1438076 DOI=10.3389/fcvm.2025.1438076 ISSN=2297-055X