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Related Concept Videos

Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
Sleep Apnea01:21

Sleep Apnea

Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
Heart Failure VII: Nursing Interventions01:30

Heart 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,...
Heart Failure I: Introduction01:27

Heart 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...
Heart Failure III: Clinical Manifestations01:26

Heart 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...
Pathophysiology of Heart Failure01:17

Pathophysiology 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...

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Related Experiment Video

Updated: Jul 16, 2026

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
04:20

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure

Published on: October 1, 2019

Sleep apnoea in heart failure.

R Schulz1, A Blau, J Börgel

  • 1University of Giessen Lung Center, Klinikstr. 36, 35392 Giessen, , and Charité University Hospital Berlin, Sleep Disorders Centre, Department of Cardiology/Pulmonary Medicine, Germany. Richard.Schulz@innere.med.uni-giessen.de

The European Respiratory Journal
|March 16, 2007
PubMed
Summary

Sleep-disordered breathing (SDB) is highly prevalent in German patients with congestive heart failure (CHF). Screening for SDB is recommended for all CHF patients with a reduced ejection fraction, regardless of symptoms.

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A Model to Simulate Clinically Relevant Hypoxia in Humans
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Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
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A Model to Simulate Clinically Relevant Hypoxia in Humans
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A Model to Simulate Clinically Relevant Hypoxia in Humans

Published on: December 22, 2016

Area of Science:

  • Cardiology
  • Pulmonology
  • Sleep Medicine

Background:

  • Sleep-disordered breathing (SDB) is common in congestive heart failure (CHF) patients in the USA.
  • Cheyne-Stokes respiration (CSR) is the most frequent SDB type in CHF patients.

Purpose of the Study:

  • To determine the prevalence and types of SDB in stable CHF patients in Germany.
  • To assess if SDB screening is necessary for CHF patients with reduced left ventricular ejection fraction (LVEF).

Main Methods:

  • Prospective, multicentre study involving 203 stable CHF patients (NYHA classes II-III, LVEF <40%).
  • Polygraphy used for SDB assessment, with central data analysis.
  • Patient enrollment was irrespective of sleep-related symptoms.

Main Results:

  • 71% of patients had an apnoea/hypopnoea index >10/h.
  • Obstructive sleep apnoea (OSA) occurred in 43% of patients.
  • CSR was present in 28% of patients.

Conclusions:

  • SDB is highly prevalent in European patients with stable severe CHF.
  • SDB negatively impacts CHF prognosis.
  • Sleep studies are recommended for all CHF patients with LVEF <40%, irrespective of symptoms.