AUTHOR=Nawaz Asad , Sheng Zixian , Akram Muhammad Junaid , Li Jianjin , Liu Lingjuan , Yuan Yuxing , Tian Jie TITLE=Clinical characteristics and mortality risk factors in pediatric hypertrophic, restrictive, and rapidly progressive hypertrophic cardiomyopathy: a retrospective cohort study with follow-up JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=Volume 12 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1541651 DOI=10.3389/fcvm.2025.1541651 ISSN=2297-055X