Why the study?
Patients with heart failure and reduced ejection fraction experience multiple hospitalizations for heart failure during the course of their disease.
Does dapagliflozin reduce the rate of total (first and repeat) hospitalizations for heart failure and cardiovascular death in patients with heart failure and reduced ejection fraction?
Does dapagliflozin reduce the rate of total (first and repeat) hospitalizations for heart failure and cardiovascular death in patients with heart failure and reduced ejection fraction?
Dapagliflozin reduces the risk of total (first and repeat) heart failure hospitalizations and cardiovascular death in patients with HFrEF, a benefit that is underestimated by traditional time-to-first event analysis.
Supports dapagliflozin in HFrEF for total events; extends prior time-to-first analyses to recurrent hospitalizations.
BACKGROUND: Patients with heart failure (HF) and reduced ejection fraction will experience multiple hospitalizations for heart failure during the course of their disease. We assessed the efficacy of dapagliflozin on reducing the rate of total (ie, first and repeat) hospitalizations for heart failure in the DAPA-HF trial (Dapagliflozin and Prevention of Adverse-Outcomes in Heart Failure). METHODS: The total number of HF hospitalizations and cardiovascular deaths was examined by using the proportional-rates approach of Lei-Wei-Yang-Ying and a joint frailty model for each of recurrent HF hospitalizations and time to cardiovascular death. Variables associated with the risk of recurrent hospitalizations were explored in a multivariable Lei-Wei-Yang-Ying model. RESULTS: =0.0282. CONCLUSIONS: Dapagliflozin reduced the risk of total (first and repeat) HF hospitalizations and cardiovascular death. Time-to-first event analysis underestimated the benefit of dapagliflozin in HF and reduced ejection fraction. Registration: URL: https://www.clinicaltrials.gov; Unique identifier: NCT03036124.
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Jhund et al. (2021) studied this question.
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