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Related Concept Videos

Acute Kidney Injury II: Pathophysiology01:29

Acute Kidney Injury II: Pathophysiology

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...
Nephrotic Syndrome I : Introduction01:24

Nephrotic Syndrome I : Introduction

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 fluid...
Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

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...
Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

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...
Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

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 any history...

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Related Experiment Video

Updated: Jul 4, 2026

Technical Refinement of a Bilateral Renal Ischemia-Reperfusion Mouse Model for Acute Kidney Injury Research
03:13

Technical Refinement of a Bilateral Renal Ischemia-Reperfusion Mouse Model for Acute Kidney Injury Research

Published on: November 3, 2023

[Hepatorenal syndrome].

A Lautrette1, J Liotier, P Deteix

  • 1Service de néphrologie et de réanimation médicale, hôpital Gabriel-Montpied, B.P. 69, 63003 Clermont-Ferrand cedex 1, France.

Nephrologie & Therapeutique
|June 3, 2008
PubMed
Summary
This summary is machine-generated.

Hepatorenal syndrome (HRS) is acute kidney failure in cirrhosis patients, driven by vasoconstriction. Liver transplantation is standard, but vasopressin analogues are used for maintenance, with poor prognosis if untreated.

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5/6th Nephrectomy in Combination with High Salt Diet and Nitric Oxide Synthase Inhibition to Induce Chronic Kidney Disease in the Lewis Rat
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5/6th Nephrectomy in Combination with High Salt Diet and Nitric Oxide Synthase Inhibition to Induce Chronic Kidney Disease in the Lewis Rat

Published on: July 3, 2013

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Last Updated: Jul 4, 2026

Technical Refinement of a Bilateral Renal Ischemia-Reperfusion Mouse Model for Acute Kidney Injury Research
03:13

Technical Refinement of a Bilateral Renal Ischemia-Reperfusion Mouse Model for Acute Kidney Injury Research

Published on: November 3, 2023

5/6th Nephrectomy in Combination with High Salt Diet and Nitric Oxide Synthase Inhibition to Induce Chronic Kidney Disease in the Lewis Rat
08:50

5/6th Nephrectomy in Combination with High Salt Diet and Nitric Oxide Synthase Inhibition to Induce Chronic Kidney Disease in the Lewis Rat

Published on: July 3, 2013

Area of Science:

  • Nephrology
  • Gastroenterology
  • Vascular Biology

Context:

  • Hepatorenal syndrome (HRS) is a severe complication in patients with advanced liver disease, characterized by acute kidney injury.
  • It stems from renal arterial vasoconstriction secondary to systemic vasodilation in cirrhotic patients.
  • Understanding the pathophysiology is crucial for managing this critical condition.

Purpose:

  • To define hepatorenal syndrome (HRS) and its underlying mechanisms.
  • To differentiate the types of HRS based on clinical course and renal failure stage.
  • To review current and potential therapeutic strategies for HRS.

Summary:

  • HRS involves acute functional renal failure in cirrhosis due to renal arterial vasoconstriction, resulting from diffuse arteriole vasodilatation.
  • Two types of HRS exist, differing in prognosis and clinical course.
  • Liver transplantation is the definitive treatment; vasopressin analogues are used for maintenance therapy, while the roles of dialysis and shunts are under investigation.

Impact:

  • HRS has a poor prognosis, often leading to rapid mortality without effective intervention.
  • Effective management strategies are critical to improve patient outcomes.
  • Further research is needed to clarify the roles of emerging therapies and interventions.