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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
[Epidemiology of heart failure]
Dorothée Malaquin1, Christophe Tribouilloy
1Service de cardiologie B, hôpital Sud, CHU d'Amiens, 80054 Amiens Cedex 1. malaquin.dorothee@chu-amiens.fr
La Revue Du Praticien
|November 2, 2010
Summary
Heart failure is a growing epidemic, particularly in aging populations. Optimizing therapies and preventive strategies are crucial to reduce its significant morbidity and mortality.
Area of Science:
- Cardiology
- Public Health
- Geriatrics
Context:
- Heart failure (HF) prevalence is rising globally due to improved cardiovascular care and an aging population.
- HF affects approximately 9% of individuals aged 80-89, with a mean onset age of 75.
- Diastolic heart failure constitutes 40-55% of all HF cases, with hypertension and ischemic cardiomyopathy as primary causes, and diabetes increasingly implicated.
Purpose:
- To highlight the escalating public health challenge posed by heart failure.
- To underscore the significant morbidity, mortality, and economic burden associated with heart failure.
- To emphasize the need for optimized therapeutic and preventive strategies.
Summary:
- Heart failure is a major and growing health problem, often termed a 'new epidemic,' with increasing prevalence in aging Western populations.
- The condition carries a poor prognosis, with a five-year mortality rate exceeding 50%, and results in substantial hospitalizations and healthcare costs.
- Addressing heart failure requires optimizing pharmacologic and device therapies, alongside enhancing preventive measures like educational programs and multidisciplinary management.
Impact:
- Reduced heart failure-related morbidity and mortality through optimized treatment and prevention.
- Decreased healthcare expenditures associated with heart failure hospitalizations and management.
- Improved patient outcomes and quality of life via comprehensive, etiology-focused care.
Related Concept Videos
01:27Heart Failure I: Introduction
Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
01:29Heart Failure II: Pathophysiology
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
01:17Pathophysiology of Heart Failure
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
01:30Heart Failure IV: Classification and Diagnostic Evaluation
Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
01:26Heart Failure III: Clinical Manifestations
Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
01:30Heart Failure VII: Nursing Interventions
The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...