Related Experiment Video
Updated: Aug 24, 2025
03:42
Author Spotlight: Exploring the Relationship Between Lipotoxicity and HFpEF
Published on: March 29, 2024
1.6K
[Heart failure and obesity].
A A Safiullina1, T M Uskach1,2, K M Saipudinova1
1Chazov National Medical Research Center of Cardiology.
Terapevticheskii Arkhiv
|October 26, 2022
Summary
Obesity predicts cardiovascular diseases, but overweight patients with heart failure (HF) may have a better prognosis, a phenomenon known as the obesity paradox. This review explores HF, obesity, and the paradox in patient care.
Area of Science:
- Cardiology
- Endocrinology
- Public Health
Context:
- Obesity is a significant risk factor for cardiovascular diseases (CVD), including heart failure (HF).
- A notable subset of CVD patients, particularly those with HF, exhibit improved prognoses when overweight or mildly obese, challenging conventional risk factor models.
- The high prevalence of obesity within the heart failure population necessitates a deeper understanding of this complex relationship.
Purpose:
- To review clinical studies on obesity as a risk factor for heart failure.
- To elucidate the pathogenesis of heart failure in obese individuals.
- To examine the obesity paradox in heart failure and discuss treatment implications.
Summary:
- Obesity independently predicts cardiovascular diseases (CVD) and heart failure (HF).
- Paradoxically, overweight and mildly obese CVD patients often show better short- to moderate-term prognoses than leaner counterparts.
- This article synthesizes research on obesity's role in HF, its underlying mechanisms, the obesity paradox, and therapeutic strategies.
Impact:
- Informs clinical practice regarding risk stratification and management of obese heart failure patients.
- Highlights the need for nuanced approaches to obesity treatment in CVD, considering the obesity paradox.
- Contributes to the scientific understanding of metabolic influences on cardiovascular health and disease progression.
Related Concept Videos
01:27Heart Failure I: Introduction
43
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...
43
01:17Pathophysiology of Heart Failure
1.7K
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...
1.7K
01:29Heart Failure II: Pathophysiology
31
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...
31
01:26Imbalances in Cardiac Output
1.5K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.5K
01:30Heart Failure IV: Classification and Diagnostic Evaluation
27
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...
27
01:30Heart Failure VII: Nursing Interventions
131
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,...
131