Predicting maximal heart rate (MHR) in heart failure and reduced ejection fraction (HFrEF) still remains a major concern. In such a context, the Keteyian equation is the only one derived in a HFrEF cohort on optimized β-blockers treatment. Therefore, using the Metabolic Exercise combined with Cardiac and Kidney Indexes (MECKI) dataset, we looked for a possible MHR equation, for an external validation of Keteyien formula and, contextually, for accuracy of the historical MHR formulas and their relationship with the HR measured at the anaerobic threshold (AT).
Reference: OLD AND NEW EQUATIONS FOR MAXIMAL HEART RATE PREDICTION IN PATIENTS WITH HEART FAILURE AND REDUCED EJECTION FRACTION ON BETA-BLOCKERS TREATMENT. RESULTS FROM THE MECKI SCORE DATASET. Magr D, Piepoli M, Gallo G, Corr U, Metra M, Paolillo S, Filardi PP, Maruotti A, Salvioni E, Mapelli M, Vignati C, Senni M, Limongelli G, Lagioia R, Scrutinio D, Emdin M, Passino C, Parati G, Sinagra G, Correale M, Badagliacca R, Sciomer S, Di Lenarda A, Agostoni P; MECKI score Research Group (see appendix). Eur J Prev Cardiol. 2022 May 17:zwac099.