Original ResearchPublished 9 October 2026Temporal changes in dilated ascending aorta after transfemoral TAVR: a comparative analysis of bicuspid and tricuspid aortic valvesQichen Xu · Zheng Xu · Xiaofu Dai · Liangwan Chen · Zhiqin LinFrontiers in Cardiovascular Medicinedoi 10.3389/fcvm.2026.1878963