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Related Concept Videos

Chronic Kidney Disease I: Introduction01:25

Chronic Kidney Disease I: Introduction

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Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...
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Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

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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 III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

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Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
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Chronic Kidney Disease IV: Nursing Management01:18

Chronic Kidney Disease IV: Nursing Management

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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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Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

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Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
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Nephrons01:10

Nephrons

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The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
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Assessment of Vascular Function in Patients With Chronic Kidney Disease
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Mechanisms of cognitive dysfunction in CKD.

Davide Viggiano1,2, Carsten A Wagner3, Gianvito Martino4

  • 1Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.

Nature Reviews. Nephrology
|April 3, 2020
PubMed
Summary

Chronic kidney disease (CKD) significantly increases the risk of cognitive impairment and mild cognitive impairment (MCI). Uraemic neurotoxins, rather than cardiovascular factors, may be key drivers of this cognitive decline in CKD patients.

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Area of Science:

  • Nephrology
  • Neurology
  • Neuroscience

Background:

  • Cognitive impairment is a major cause of disability, frequently observed in chronic kidney disease (CKD).
  • Patients with CKD exhibit elevated risks for dementia and mild cognitive impairment (MCI), impacting executive functions, memory, and attention.
  • Brain imaging in CKD reveals white matter damage and vascular issues, suggesting complex neurological involvement.

Purpose of the Study:

  • To explore the relationship between kidney dysfunction and cognitive impairment.
  • To understand the underlying pathophysiology of CKD-associated MCI.
  • To identify potential therapeutic targets for cognitive decline in CKD.

Main Methods:

  • Review of existing literature on CKD and cognitive function.
  • Analysis of brain imaging findings in CKD patients.
  • Examination of experimental models of uraemic neurotoxicity.

Main Results:

  • CKD-associated MCI shows deficits in executive functions, memory, and attention.
  • Cardiovascular risk factor interventions have limited impact on CKD-associated MCI.
  • Uraemic neurotoxins appear to play a significant role in MCI pathogenesis, affecting the brain's monoaminergic system and sleep patterns.

Conclusions:

  • The accumulation of uraemic neurotoxins is a likely critical factor in CKD-associated MCI.
  • Further research is essential to understand the clinical relevance, diagnosis, prevention, and treatment of CKD-associated MCI.
  • Potential roles for neural progenitor cells and the glymphatic system warrant further investigation.