University of the Ryukyus University Hospital

Revaluing Kā Springs in Okinawa’s Islands, Japan: From Cultural Practice to Water Governance

Springs known as kā once sustained everyday life across Okinawa’s islands, but their practical role declined with the expansion of piped water systems. In recent years, traditional water sources have regained attention in Japan as supplementary resources when centralized water su...

Histological Determinants of Atrial Dysfunction in Patients With Atrial Fibrillation

Background Atrial fibrillation (AF) is associated with diverse histological abnormalities, but their contributions to atrial dysfunction and functional recovery remain unclear. Methods In a discovery cohort of 375 patients with nonvalvular AF undergoing catheter ablation, atrial...