Iturriaga Ramírez, TamaraMargalejo, AlvaroSal de Rellán, AlejandroAguilar Iglesias, LaraBaos, SeleneSaez Maleta, RuthCapo, XavierGonzalez Freire, MartaSantiago Dorrego, CatalinaPerez Rivera, José Ángel2026-09-072026-09-072026Iturriaga, T., Margalejo, A., Sal-de-Rellán, A., Aguilar-Iglesias, L., Baos, S., Saez-Maleta, R., Capo, X., Gonzalez-Freire, M., Santiago, C., & Perez-Rivera, J.-A. (2026). Body composition, muscle strength and novel biomarkers in acute heart failure patients: A comprehensive frailty assessment. Nutrition, Metabolism and Cardiovascular Diseases, 36(10), 104804. https://doi.org/10.1016/j.numecd.2026.1048040939-47531590-3729https://hdl.handle.net/11268/17412Malnutrition, sarcopenia, and frailty are increasingly recognized as relevant determinants of outcomes in heart failure (HF), yet comprehensive evaluation of body composition and circulating biomarkers is still not routinely implemented. This single-centre, observational, cross-sectional study aimes to characterize body composition, physical function, and selected novel biomarkers in patients with HF and to compare these findings with those of healthy controls.engEducación e innovación educativaInsuficiencia cardíacaComposición corporalSarcopeniajournal article10.1016/j.numecd.2026.104804embargoed accessEnfermedad cardiovascularMedicina preventivaInvestigación médicaGoal 3: Ensure healthy lives and promote well-being for all at all ages