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Related Concept Videos

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...
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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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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 I: Introduction01:22

Acute Kidney Injury I: Introduction

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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...
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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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Portal Hypertension01:22

Portal Hypertension

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Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
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Related Experiment Video

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Technical Refinement of a Bilateral Renal Ischemia-Reperfusion Mouse Model for Acute Kidney Injury Research
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[Hepatorenal syndrome].

Evangéline Pillebout1

  • 1Service de néphrologie, hôpital Saint-Louis, 1, avenue Claude-Vellefaux, 75010 Paris, France.

Nephrologie & Therapeutique
|January 7, 2014
PubMed
Summary

Hepatorenal syndrome, a severe kidney complication of end-stage liver disease, involves renal vasoconstriction. Early treatment with antibiotics and albumin can improve outcomes, but liver transplantation remains the only long-term solution.

Keywords:
Acute renal failureEnd-stage liver diseaseHepatorenal syndromeInsuffisance rénale aiguëMaladie du foie en phase terminaleSplanchnic vasodilatationSyndrome hépatorénalVasodilatation splanchnique

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Area of Science:

  • Nephrology
  • Hepatology
  • Gastroenterology

Context:

  • Hepatorenal syndrome (HRS) is a critical complication in patients with advanced liver disease.
  • It is characterized by intense renal vasoconstriction due to circulatory dysfunction.
  • Diagnosis relies on excluding other causes of acute kidney injury.

Purpose:

  • To summarize the pathophysiology, diagnosis, and management of hepatorenal syndrome.
  • To highlight the role of spontaneous bacterial peritonitis as a trigger.
  • To discuss treatment strategies and the definitive role of liver transplantation.

Summary:

  • The hallmark of HRS is renal vasoconstriction, leading to functional kidney failure.
  • Spontaneous bacterial peritonitis is a common trigger and necessitates prompt antibiotic and albumin treatment.
  • Management involves albumin, vasoconstrictors, and potentially renal replacement therapy, aiming to stabilize patients for liver transplantation.

Impact:

  • Early intervention with antibiotics and albumin can reduce mortality risk.
  • Current treatments may temporarily improve renal function and delay transplantation.
  • Liver transplantation offers the only definitive improvement in long-term prognosis for hepatorenal syndrome.