Multimodality assessment of heart failure with preserved ejection fraction skeletal muscle reveals differences in the machinery of energy fuel metabolism.
Payman ZamaniElizabeth A ProtoNeil WilsonHossein FazeliniaHua DingLynn A SpruceAntonio DavilaThomas C HanffJeremy A MazurekStuart B PrennerBenoit DesjardinsKenneth B MarguliesDaniel P KellyZoltan AranyPaschalis-Thomas DouliasJohn W ElrodMitchell E AllenShana E McCormackGayatri Maria SchurKevin D'AquillaDushyant KumarDeepa ThakuriKarthik PrabhakaranMichael C LanghamDavid C PooleSteven H SeeholzerRavinder ReddyHarry IschiropoulosJulio A ChirinosPublished in: ESC heart failure (2021)
Heart failure with preserved ejection fraction patients demonstrate impaired functional capacity and SkM OxPhos. Reductions in the proportions of Type I myofibres, proteins required for OxPhos, and altered phosphorylation signalling in the SkM may contribute to exercise intolerance in HFpEF.