Citation Select	Nakade T, Fujimoto Y, Singh YS, Akama Y, Ide T, Kida K, Matsushima S, Kaku H, Enzan N, Ikeda M, Kitai T, Taniguchi T, Okumura T, Tohyama T, Tsutsui H, Matsue Y Frailty Scale Captures Multidimensional Vulnerability and Predicts Mortality in Heart Failure J Am Coll Cardiol. 2026 Jan 6;87(1):20-32. doi: 10.1016/j.jacc.2025.09.1590