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Related Concept Videos

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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Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

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Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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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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Acute Kidney Injury II: Pathophysiology01:29

Acute Kidney Injury II: Pathophysiology

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Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
202
Nephrotic Syndrome I : Introduction01:24

Nephrotic Syndrome I : Introduction

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Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of...
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Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

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IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document...
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Year in review 2012: Critical Care--Nephrology.

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Healthcare systems and chronic kidney disease: putting the patient in control.

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Updated: Oct 14, 2025

A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease
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Uremic encephalopathy.

Mitchell H Rosner1, Faeq Husain-Syed2, Thiago Reis3

  • 1Division of Nephrology, University of Virginia Health System, Charlottesville, Virginia, USA.

Kidney International
|November 5, 2021
PubMed
Summary
This summary is machine-generated.

Uremic encephalopathy, a brain disorder linked to kidney failure, presents diverse neurological symptoms. Dialysis or transplantation may improve these symptoms, but further research is needed to identify specific causes and treatments.

Keywords:
central nervous systemdialysisencephalopathysoluteureauremia

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Area of Science:

  • Nephrology
  • Neurology
  • Toxicology

Background:

  • Uremic encephalopathy involves central nervous system dysfunction due to impaired kidney function in chronic kidney disease or acute kidney injury.
  • It is associated with the buildup of uremic toxins, hormonal imbalances, and disruptions in homeostasis, vascular reactivity, blood-brain barrier integrity, and inflammation.

Purpose of the Study:

  • To review the complex nature of uremic encephalopathy.
  • To highlight diagnostic challenges and the role of kidney replacement therapy.
  • To identify knowledge gaps regarding uremic toxins and neurological symptoms.

Main Methods:

  • Literature review and synthesis of existing knowledge on uremic encephalopathy.
  • Analysis of clinical, laboratory, and imaging findings in patients with kidney disease and neurological symptoms.
  • Discussion of the impact of kidney replacement therapy on neurological outcomes.

Main Results:

  • Uremic encephalopathy lacks specific diagnostic markers, often diagnosed retrospectively after symptom improvement with dialysis or transplantation.
  • Confounding conditions in kidney disease patients complicate diagnosis.
  • Kidney replacement therapy is considered a diagnostic trial for symptom improvement.

Conclusions:

  • Uremic encephalopathy is a complex syndrome with multifactorial causes related to kidney failure.
  • Diagnosis is challenging due to non-specific symptoms and overlapping conditions.
  • Further research is crucial to link specific uremic solutes to neurological deficits for targeted therapies.