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Related Concept Videos

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 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...
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.
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...
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,...

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SLEEP-DISORDERED BREATHING IN HEART FAILURE: PHENOTYPES, MECHANISMS, AND PRECISION APPROACH.

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Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease
04:53

Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease

Published on: October 18, 2024

Sleep apnea and heart failure.

Takatoshi Kasai1

  • 1Cardio-Respiratory Sleep Medicine, Department of Cardiology, Juntendo University, School of Medicine, Tokyo, Japan. kasai-t@mx6.nisiq.net

Journal of Cardiology
|July 25, 2012
PubMed
Summary

Sleep apnea, including obstructive and central types, is common in heart failure (HF). Treating sleep apnea with positive airway ventilation can improve heart function and outcomes in HF patients.

Area of Science:

  • Cardiology
  • Pulmonology
  • Sleep Medicine

Background:

  • Sleep apnea, encompassing obstructive (OSA) and central (CSA) types, frequently coexists with heart failure (HF).
  • OSA stems from airway collapse, while CSA results from diminished respiratory drive; both involve hypoxia and sympathetic overactivation.
  • Sleep apnea negatively impacts cardiovascular health by increasing blood pressure, left ventricular afterload, and causing endothelial damage, potentially worsening HF progression.

Purpose of the Study:

  • To highlight the significant association between sleep apnea and heart failure.
  • To discuss the pathophysiological mechanisms linking sleep apnea to HF progression.
  • To review the therapeutic implications of managing sleep apnea in HF patients.

Main Methods:

  • Literature review and synthesis of existing research on sleep apnea and heart failure.

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  • Analysis of the effects of OSA and CSA on cardiac function and HF.
  • Evaluation of the impact of positive airway pressure therapies on HF outcomes.

    • Main Results:

    • OSA in HF patients leads to elevated blood pressure, increased LV afterload, and cardiac output reduction.
    • Intermittent hypoxia and reoxygenation in sleep apnea contribute to vascular damage, atherosclerosis, and ischemic cardiomyopathy.
    • CSA in HF is linked to an increased risk of mortality.
    • Continuous positive airway pressure (CPAP) effectively improves LV function and may enhance long-term outcomes in HF patients with OSA.
    • Positive airway ventilation therapies show promise in improving LV function for HF patients with CSA.

    Conclusions:

    • Identifying and managing sleep apnea is crucial for preventing the development and progression of heart failure.
    • Positive airway ventilation represents a promising adjunctive therapy for heart failure patients with either OSA or CSA.
    • Further emphasis on sleep apnea management is warranted to reduce HF-related mortality.