P5656Heart failure with preserved ejection fraction (HFpEF) infrequently evolves towards a HFpEF-declined phenotype. (28th August 2018) - De Antonio, M; Lupon, J; Gavidia-Bovadilla, G; Lopez-Ayerbe, J; Moliner, P; Domingo, M; Ferrer, E; Perera, A; Nunez, J; Zamora, E; Vallejo, N; Gual, F; et al.