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Updated: Jul 26, 2025

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
Published on: February 13, 2021
Differences in clinical outcomes, health care resource utilization and costs in heart failure patients according to
Juan Carlos López-Azor1, Juan Francisco Delgado2, Jorge Vélez3
1Servicio de Cardiología, Hospital Universitario 12 de Octubre, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain; Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain; Facultad de Medicina, Universidad Europea, Madrid, Spain.
Insights
Left ventricular ejection fraction (LVEF) significantly impacts heart failure (HF) patient costs and healthcare resource utilization. Patients with reduced LVEF (HFrEF) incurred higher costs, particularly those requiring hospitalization, compared to preserved LVEF (HFpEF) patients.
Area of Science:
- Cardiology
- Health Economics
- Healthcare Management
Background:
- The economic burden and resource utilization associated with different left ventricular ejection fraction (LVEF) categories in heart failure (HF) patients remain incompletely understood.
- Understanding these disparities is crucial for optimizing healthcare resource allocation and patient management strategies.
Purpose of the Study:
- To compare health care resource utilization (HCRU) and associated costs among patients with heart failure (HF) stratified by LVEF.
- To investigate the impact of reduced (HFrEF), mildly reduced (HFmrEF), and preserved (HFpEF) ejection fraction on clinical outcomes and economic factors.
Main Methods:
- A retrospective observational study analyzed data from 1287 patients with a primary HF diagnosis in Spain (2018).
- Patients were categorized into HFrEF, HFmrEF, and HFpEF groups.
- One-year clinical outcomes, HCRU, and costs were compared across these LVEF groups.
Main Results:
- Patients with HFrEF exhibited higher hospitalization rates and significantly greater median annual costs (€4763 in ED group, €6321 in hospital group) compared to HFmrEF and HFpEF groups.
- The increased costs in HFrEF patients were attributed to more frequent intensive care unit admissions and greater utilization of diagnostic and therapeutic interventions.
- Overall median costs were €1889 for the ED group and €5008 for the hospital group, with significant differences observed across LVEF categories (P <.001).
Conclusions:
- Left ventricular ejection fraction is a significant determinant of healthcare costs and resource utilization in heart failure patients.
- HFrEF is associated with substantially higher healthcare expenditures, particularly for patients requiring hospitalization, underscoring the need for targeted management strategies.
Introduction And Objectives:
The impact of left ventricular ejection fraction (LVEF) on health care resource utilization (HCRU) and cost in heart failure (HF) patients is not well known. We aimed to compare outcomes, HCRUs and costs according to LVEF groups.
Methods:
Retrospective, observational study of all patients with an emergency department (ED) visit or admission to a tertiary hospital in Spain 2018 with a primary HF diagnosis. We excluded patients with newly diagnosed heart failure. One-year clinical outcomes, costs and HCRUs were compared according to LVEF (reduced [HFrEF], mildly reduced [HFmrEF], and preserved [HFpEF]).
Results:
Among 1287 patients with a primary diagnosis of HF in the ED, 365 (28.4%) were discharged to home (ED group), and 919 (71.4%) were hospitalized (hospital group [HG]). In total, 190 patients (14.7%) had HFrEF, 146 (11.4%) HFmrEF, and 951 (73.9%) HFpEF. The mean age was 80.1±10.7 years; 57.1% were female. The median [interquartile range] of costs per patient/y was €1889 [259-6269] in the ED group and €5008 [2747-9589] in the HG (P <.001). Hospitalization rates were higher in patients with HFrEF in the ED group. The median costs of HFrEF per patient/y were higher in patients in both groups: €4763 [2076-17 155] vs €3900 [590-8013] for HFmrEF vs €3812 [259-5486] for HFpEF in the ED group, and €6321 [3335-796] vs €6170 [3189-10484] vs €4636 [2609-8977], respectively, in the hospital group (all P <.001). This difference was driven by the more frequent admission to intensive care units, and greater use of diagnostic and therapeutic tests among HFrEF patients.
Conclusions:
In HF, LVEF significantly impacts costs and HCRU. Costs were higher in patients with HFrEF, especially those requiring hospitalization, than in those with HFpEF.
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