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Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

217
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...
217
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

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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.
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Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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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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Heart Failure I: Introduction01:27

Heart Failure I: Introduction

47
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...
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Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

136
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,...
136
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

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Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
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Obstructive Sleep Apnea in Heart Failure: Current Knowledge and Future Directions.

Shahrokh Javaheri1,2,3, Sogol Javaheri4

  • 1Division of Pulmonary and Sleep Medicine, Bethesda North Hospital, Cincinnati, OH 45242, USA.

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|June 24, 2022
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Summary

Obstructive sleep apnea (OSA) is common in heart failure (HF) patients and may worsen their condition. Treating OSA could improve outcomes, but more research is needed to identify who benefits most.

Keywords:
continuous positive airway pressureheart failureobstructive sleep apnea

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Area of Science:

  • Cardiology
  • Sleep Medicine
  • Pulmonology

Background:

  • Obstructive sleep apnea (OSA) is highly prevalent in patients with asymptomatic left ventricular dysfunction and congestive heart failure (HF).
  • Untreated OSA may contribute to the clinical progression of heart failure.
  • Understanding the link between OSA and HF is crucial due to the significant health and economic burden of HF.

Purpose of the Study:

  • To review current knowledge on OSA and HF.
  • To elucidate pathophysiologic mechanisms linking HF and comorbid OSA.
  • To summarize existing data and identify future research needs for OSA treatment efficacy in HF patients.

Main Methods:

  • Focused review of current literature on obstructive sleep apnea and heart failure.
  • Analysis of pathophysiologic mechanisms, observational data, and clinical trial results.
  • Identification of limitations in current research and future directions.

Main Results:

  • OSA is prevalent in HF patients and may exacerbate HF progression.
  • Current evidence includes observational data and small randomized trials, with limitations in larger trials.
  • Specific patient subgroups who benefit most from OSA treatment require further identification.

Conclusions:

  • OSA is a significant comorbidity in heart failure that may worsen outcomes.
  • Further research is needed to determine the efficacy of OSA treatment in HF patients.
  • Identifying subgroups that benefit most from OSA treatment is a critical future need.