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Related Concept Videos

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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Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

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The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
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Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

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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...
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Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

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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...
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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.
477
Pathophysiology of Heart Failure01:17

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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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Related Experiment Video

Updated: Mar 3, 2026

A Surgical Model of Heart Failure with Preserved Ejection Fraction in Tibetan Minipigs
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Targets for Heart Failure With Preserved Ejection Fraction.

S Nanayakkara1, D M Kaye1

  • 1Alfred Hospital and Baker Heart & Diabetes Institute, Melbourne, Australia.

Clinical Pharmacology and Therapeutics
|May 4, 2017
PubMed
Summary
This summary is machine-generated.

Heart failure with preserved ejection fraction (HFPEF) affects half of all heart failure cases. This review details HFPEF mechanisms and therapies, addressing challenges in treatment development.

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Area of Science:

  • Cardiology and cardiovascular research.
  • Molecular and cellular biology of heart disease.

Background:

  • Heart failure with preserved ejection fraction (HFPEF) accounts for 50% of heart failure diagnoses.
  • HFPEF is projected to become the predominant form of heart failure within five years.
  • Previous drug trials for HFPEF have yielded neutral or negative results, attributed to patient heterogeneity and complex pathophysiology.

Purpose of the Study:

  • To review the primary molecular and cellular pathways implicated in HFPEF.
  • To summarize existing and emerging therapeutic strategies targeting identified HFPEF mechanisms.

Main Methods:

  • Literature review of studies characterizing HFPEF pathways.
  • Analysis of current and investigational therapies for HFPEF.
  • Synthesis of information on HFPEF pathophysiology and treatment.

Main Results:

  • Key molecular and cellular pathways contributing to HFPEF have been identified.
  • A range of therapeutic targets and approaches are under investigation.
  • Understanding phenotypic heterogeneity is crucial for effective treatment.

Conclusions:

  • HFPEF presents significant therapeutic challenges due to its complexity.
  • Targeting specific molecular and cellular pathways offers potential for future HFPEF treatments.
  • Further research is needed to overcome heterogeneity and develop effective therapies for HFPEF.