Eligibility for dapagliflozin in unselected patients hospitalised with decompensated heart failure

Br J Cardiol 2021;28:56–61doi:10.5837/bjc.2021.018 Leave a comment
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First published online 22nd April 2021

Patients with heart failure with reduced ejection fraction (HFrEF) who received the sodium-glucose co-transport 2 inhibitor, dapagliflozin, in the DAPA-HF (Dapagliflozin and Prevention of Adverse Outcomes in Heart Failure) study have a significant reduction in worsening heart failure (HF) and cardiovascular death. It is uncertain what proportion of patients admitted to a large regional cardiac centre with decompensated heart failure would be eligible for dapagliflozin post-discharge based on their characteristics at discharge.

The DAPA-HF study criteria were retrospectively applied to a cohort of 521 consecutive patients referred to the inpatient HF service in a tertiary cardiac centre in South West Wales between April 2017 and April 2018. Inclusion criteria: left ventricular ejection fraction (LVEF) <40%, New York Heart Association (NYHA) class II–IV symptoms and an elevated N-terminal pro-B-type naturietic peptide (NT-proBNP). Exclusion criteria: systolic blood pressure (SBP) <95 mmHg, estimated glomerular filtration rate (eGFR) <30 ml/min/1.73 m2 or type 1 diabetes mellitus. We did not have complete NT-proBNP data for the cohort, as it was not routinely measured at the time in our institute.

There were 478 patients, mean age 78 ± 13 years, 57% male and 91% NYHA class II–IV symptoms, were included in the analysis. Of these, 247 patients had HFrEF, 219 (46%) patients met the inclusion criteria, 231 (48%) were excluded as LVEF was >40%, and 48 (10%) were excluded with NYHA class I symptoms. Of the 219 patients who met the inclusion criteria, 13 (5.9%) had a SBP <95 mmHg, 48 (22%) had eGFR <30 ml/min/1.73 m2, leaving 136 (28.5% of total and 55% of those with HFrEF) who met DAPA-HF study criteria.

In our study, 28.5% of all heart failure admissions and 55% of patients with HFrEF would be eligible for dapagliflozin post-discharge according to the DAPA–HF study entry criteria.

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