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Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
Published on: June 10, 2025
[Factors associated to sleep pattern in heart failure patients]
Mariana Alvina Dos Santos1, Diná de Almeida Lopes Monteiro da Cruz, Ricardo Luís Barbosa
1Escola de Enfermagem, Universidade de São Paulo, São Paulo, SP, Brasil. marifamema@usp.br
Revista Da Escola De Enfermagem Da U S P
|October 28, 2011
Summary
Most heart failure patients are poor sleepers, with sleep quality linked to fatigue and breathing difficulties. These common symptoms significantly worsen sleep in individuals with heart failure (HF).
Area of Science:
- Cardiology
- Sleep Medicine
- Clinical Research
Context:
- Heart failure (HF) significantly impacts patient quality of life.
- Sleep disturbances are prevalent but understudied in HF populations.
- Understanding sleep patterns is crucial for comprehensive HF management.
Purpose:
- To characterize sleep patterns in patients with heart failure (HF).
- To investigate associations between sleep quality and various patient factors including gender, age, fatigue, physical activity, functional class, and symptoms like dyspnea.
- To determine the prevalence of poor sleep in this cohort.
Summary:
- This study analyzed sleep patterns in 400 heart failure patients (mean age 57.8, 64.8% male).
- A high prevalence of poor sleepers (68.5%) was observed, with 46.5% rating their sleep as poor or very poor.
- Poor sleep was significantly associated with female gender, unemployment, fatigue, dyspnea, and higher HF functional classes.
Impact:
- The findings highlight a high burden of poor sleep among heart failure patients, exceeding rates in many other chronic diseases.
- Dyspnea and fatigue, key HF symptoms, are identified as major contributors to poor sleep.
- This research underscores the need for targeted interventions addressing sleep disturbances in heart failure care.
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