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Related Concept Videos

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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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Chronic Kidney Disease II: Clinical Manifestations01:24

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Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
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Chronic Kidney Disease IV: Nursing Management01:18

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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 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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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
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Updated: Dec 10, 2025

Assessment of Vascular Function in Patients With Chronic Kidney Disease
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Renal dysfunction in cardiovascular diseases and its consequences.

Giacomo Deferrari1,2, Adriano Cipriani3, Edoardo La Porta4,5

  • 1Department of Cardionephrology, Istituto Clinico Ligure Di Alta Specialità (ICLAS), GVM Care and Research, Via Mario Puchoz 25, 16035, Rapallo, GE, Italy. deferrar@unige.it.

Journal of Nephrology
|September 2, 2020
PubMed
Summary

Cardiovascular diseases significantly impact kidney function, often overlooked. This review highlights the heart-kidney connection, emphasizing venous congestion and fluid overload as key factors in renal dysfunction during heart failure.

Keywords:
Acute kidney injuryCardiovascular diseaseChronic kidney diseaseHeart failureVenous congestionWorsening renal function

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Area of Science:

  • Nephrology
  • Cardiology
  • Internal Medicine

Background:

  • Cardiovascular and renal diseases frequently coexist, forming a detrimental cycle.
  • While renal disease's impact on cardiovascular health is known, the reverse—cardiovascular disease inducing renal dysfunction—is often underestimated.
  • Venous congestion, including renal venous hypertension, plays a critical role in heart failure-related kidney dysfunction.

Purpose of the Study:

  • To quantify the prevalence of kidney abnormalities in cardiovascular diseases, particularly heart failure.
  • To elucidate the pathophysiological mechanisms linking cardiovascular diseases to renal dysfunction, focusing on fluid overload and venous congestion.
  • To outline therapeutic strategies for managing heart failure with coexisting renal dysfunction.

Main Methods:

  • Literature review focusing on the interplay between cardiovascular and renal systems.
  • Analysis of the prevalence and consequences of kidney abnormalities in heart failure.
  • Examination of pathophysiological mechanisms, including fluid overload and venous congestion.

Main Results:

  • Cardiovascular diseases are a major risk factor for kidney diseases, with significant prevalence of chronic and acute kidney abnormalities in heart failure.
  • Fluid overload and venous congestion, specifically renal venous hypertension, are substantiated as primary drivers of renal dysfunction in heart failure.
  • Transient mild worsening of renal function post-therapy does not typically indicate a poor prognosis.

Conclusions:

  • The synergy between heart and kidney is crucial for hemodynamic stability.
  • Understanding and addressing venous congestion and fluid overload is vital for managing renal dysfunction in heart failure.
  • Balancing renal preservation and cardiac function improvement is key to optimizing outcomes in patients with cardiorenal disease.