Sacubitril/valsartan use in a real-world population of patients with heart failure and reduced ejection fraction

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Abstract

AIMS: Practice guidelines recommend sacubitril/valsartan for heart failure with reduced ejection fraction. The aim of our study was to describe the use of sacubitril/valsartan in real-world clinical practice to help identify patients best able to tolerate titration to higher doses. METHODS: We retrospectively analyzed clinical data for 201 patients with heart failure with reduced ejection fraction prescribed sacubitril/valsartan at our heart failure clinic (Centro Cardiologico Monzino) between September 2016/December 2018. Patients had a mean age of 67.2 years, mean left ventricular ejection fraction of 30.1%, New York Heart Association class II (65%), class III (35%), and poor cardiopulmonary exercise capacity. Median 2-year risk of death/urgent cardiac transplantation was 8.9% [Metabolic Exercise Cardiac Kidney Index (MECKI) score]. RESULTS: After a median follow-up of 230 (interquartile interval: 105-366) days, 57 patients achieved higher-dose sacubitril/valsartan, 103 tolerated medium/low doses, nine died, and 20 interrupted treatment. The highest dose of sacubitril/valsartan was reached by younger patients with better hemoglobin (Hb) levels, renal function, and blood pressure (BP). Patients continuing on sacubitril/valsartan had significantly higher serum Hb and sodium, better BP, and lower MECKI scores than patients who discontinued treatment or died during follow-up. Our patients were older and frailer than those in the pivotal PARADIGM-HF trial. CONCLUSION: In our experience, more than one-third of the patients were able to tolerate the higher dose of sacubitril/valsartan, and these patients were younger, had higher Hb, and better BP and renal function. MECKI score stratification was useful to discriminate patients who continued treatment from those who did not. Future prospective studies should test if these clinical variables can guide the up-titration of sacubitril/valsartan.

Original languageEnglish
Pages (from-to)882-888
Number of pages7
JournalJournal of cardiovascular medicine (Hagerstown, Md.)
Volume21
Issue number11
DOIs
Publication statusPublished - Nov 1 2020

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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