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Related Concept Videos

Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

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In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
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Heart Failure II: Pathophysiology01:29

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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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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

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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 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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Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

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Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
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Related Experiment Video

Updated: Jan 29, 2026

Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach
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Interaction Between Frailty and Renal Function in Patients with Heart Failure.

Ángela Rodríguez-Eguren1, José Jesús Broseta2,3,4,5, Lydia Izquierdo1

  • 1Heart Failure and Heart Transplant Unit, Institut Clínic Cardiovascular (ICCV), Hospital Clínic, Universitat de Barcelona, 08007 Barcelona, Spain.

Life (Basel, Switzerland)
|January 28, 2026
PubMed
Summary
This summary is machine-generated.

Frailty is common in heart failure patients and worsens with declining kidney function. Combining frailty and kidney disease assessments can identify high-risk individuals for better heart failure management.

Keywords:
chronic kidney diseasefrailtyheart failure

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Area of Science:

  • Cardiology
  • Nephrology
  • Geriatrics

Background:

  • Frailty is prevalent in heart failure (HF) patients, predicting poor outcomes.
  • Chronic kidney disease (CKD) often coexists with HF, potentially exacerbating frailty and risk.
  • The interplay between frailty and CKD in HF outpatients requires further characterization.

Purpose of the Study:

  • To determine the prevalence and clinical factors associated with frailty in HF outpatients.
  • To assess the prognostic impact of frailty across different stages of CKD.
  • To investigate the combined effect of frailty and CKD on adverse cardiovascular events.

Main Methods:

  • Prospective observational cohort study of 459 HF outpatients.
  • Frailty assessed using Fried's phenotype (≥3 criteria).
  • Logistic regression for frailty correlates; Cox models for outcomes (mortality/HF hospitalization) and CKD interaction.

Main Results:

  • Frailty prevalence was 39.9%, increasing with CKD severity (14% to 48%).
  • Independent predictors of frailty included older age, stroke history, higher CA125, and lower eGFR.
  • Frail patients faced doubled risk of death/HF hospitalization (aHR 2.09), amplified 5-fold with advanced CKD.

Conclusions:

  • Frailty is common in HF outpatients and strongly associated with renal dysfunction.
  • Advanced CKD significantly amplifies the adverse prognosis of frailty in HF.
  • Integrated assessment of frailty and renal function is crucial for risk stratification and personalized HF treatment.