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Related Concept Videos

Heart Failure Drugs: Diuretics01:22

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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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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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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 (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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Nursing management is essential for preventing complications, maintaining stability, and improving patients' quality of life in chronic kidney disease (CKD). By using a structured approach, nurses help slow CKD progression and support effective patient care​.1. Comprehensive patient assessmentEffective management begins with nurses reviewing the patient’s medical history, and identifying key risk factors like diabetes, hypertension, and nephrotoxic drug use. Nurses assess signs of...
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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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The kidney in heart failure: an update.

Kevin Damman1, Jeffrey M Testani2

  • 1University of Groningen, Department of Cardiology, University Medical Center Groningen, Hanzeplein 1, 9700RB Groningen, The Netherlands k.damman@umcg.nl.

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Heart failure frequently causes kidney dysfunction, increasing mortality. Identifying patients at risk after worsening renal function remains a challenge, necessitating further research for better treatments.

Keywords:
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Area of Science:

  • Cardiology
  • Nephrology
  • Cardiorenal Syndrome

Background:

  • Heart failure (HF) is closely linked to kidney dysfunction across all HF phenotypes.
  • Renal dysfunction in HF patients correlates with increased mortality and morbidity.
  • Key pathophysiological factors include reduced renal perfusion and venous congestion.

Purpose of the Study:

  • To review the current understanding of cardiorenal interactions in heart failure.
  • To highlight the challenges in identifying patients with poor prognosis following worsening renal function (WRF).
  • To propose future research directions and an updated classification for cardiorenal syndrome.

Main Methods:

  • Review of existing literature on cardiorenal interactions in heart failure.
  • Analysis of the clinical significance of worsening renal function in HF.
  • Discussion of current knowledge gaps and future research needs.

Main Results:

  • Worsening renal function (WRF) is associated with mortality, particularly when HF status deteriorates.
  • Current clinical methods are insufficient to precisely identify high-risk patients post-WRF.
  • Significant unanswered questions remain regarding cardiorenal interactions.

Conclusions:

  • Further epidemiological, mechanistic, and controlled trials are crucial for HF patients with renal impairment.
  • An updated cardiorenal syndrome classification is needed to guide research and clinical practice.
  • Developing targeted preventive and treatment strategies is essential to preserve renal function and improve outcomes in HF.