Epidemiology of Worsening Heart Failure in a Population-based Cohort from Alberta, Canada: Evaluating Eligibility for Treatment With Vericiguat

医学 射血分数 心力衰竭 内科学 回顾性队列研究 人口 流行病学 队列 临床终点 队列研究 心脏病学 临床试验 环境卫生
作者
Nariman Sepehrvand,Sunjidatul Islam,Douglas C. Dover,Padma Kaul,Finlay A. McAlister,Paul W. Armstrong,Justin A. Ezekowitz
出处
期刊:Journal of Cardiac Failure [Elsevier]
卷期号:28 (8): 1298-1308 被引量:15
标识
DOI:10.1016/j.cardfail.2022.04.015
摘要

Background Patients with heart failure (HF) and a reduced ejection fraction (HFrEF) who experience worsening HF (WHF) events are at increased risk of adverse outcomes and experience significant morbidity and mortality. We herein describe the epidemiology of these patients and identify those potentially eligible for vericiguat therapy in this population-based study. Methods and Results This retrospective cohort study included hospitalized or emergency department patients with a primary diagnosis of HF and a left ventricular ejection fraction (LVEF) of less than 45% diagnosed between April 1, 2009, and March 31, 2019 in Alberta, Canada, with follow-up to March 31, 2020. Inclusion criteria from the VerICiguaT Global Study in Subjects with Heart Failure with Reduced Ejection (VICTORIA) trial were applied to explore eligibility for vericiguat. Among 25,629 patients with HF and LVEF data, 9948 (38.8%) had HFrEF, of which 5259 (52.8%) experienced WHF at some point during a median 5.8 years of follow-up, and 38.3% of those met the vericiguat trial eligibility criteria. Compared with patients with HFrEF without WHF, those with WHF were older, with more comorbidities, worse renal function, and similar LVEF status, but greater use of HF medications at baseline. At the time of WHF, 27% of those with HFrEF and WHF were on triple therapy, 50.6% were on dual therapy, and 15.4% were on monotherapy. All-cause mortality and the composite outcome of all-cause mortality or cardiovascular hospitalization at 1-year of follow-up were higher in the HFrEF with WHF cohort compared with HFrEF without WHF (adjusted hazard ratios of 1.92 and 1.51, respectively, both P < .0001). Conclusions Approximately one-half of patients with HFrEF experienced WHF over the long-term follow-up. Most were not on triple therapy, highlighting the underuse of the existing standard-of-care treatments and opportunities for application of newer therapies; more than one-third of patients with HFrEF may be eligible for vericiguat. Lay Summary Among patients with heart failure (HF), those who experience worsening HF (WHF) are at increased risk of adverse outcomes. A few new therapies, including vericiguat, have emerged recently for patients with HF and reduced ejection fraction. However, the epidemiology, treatment patterns, and outcomes of patients with WHF in large representative populations is unclear. In the current study, approximately one-half of the patients with HF and reduced ejection fraction experienced WHF and 38.3% were potentially eligible for vericiguat therapy. The guideline-recommended therapies were under-utilized among patients with WHF, which highlights the need for initiatives to address this care gap.
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