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Related Concept Videos

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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The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
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Renal Corpuscle01:20

Renal Corpuscle

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The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
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Dialysis01:27

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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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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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Related Experiment Video

Updated: May 25, 2025

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
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Acute kidney injury stage 1a increases mortality of patients with cirrhosis: a prospective multicenter cohort study.

Ângelo Z Mattos1,2,3, Caroline Machado Rotta Dornelles4, Leonardo de Lucca Schiavon5

  • 1Graduate Program in Medicine: Hepatology, Federal University of Health Sciences of Porto Alegre, 245 Sarmento Leite Street, Porto Alegre, RS, Brazil. angeloz@ufcspa.edu.br.

Hepatology International
|February 27, 2025
PubMed
Summary
This summary is machine-generated.

Acute kidney injury (AKI) in cirrhosis patients significantly increases mortality, even in mild stages. Early intervention for AKI in cirrhosis is crucial for improving patient survival outcomes.

Keywords:
Chronic liver diseaseHepatorenal syndromeLong-termMultivariate analysisPhenotypeRenal functionSerum creatinineStagingSurvivalTreatment response

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Area of Science:

  • Nephrology
  • Hepatology
  • Critical Care Medicine

Background:

  • Acute kidney injury (AKI) is a serious complication in patients with cirrhosis.
  • The prognostic impact of mild renal function decline in cirrhosis remains debated.
  • This study investigates the outcomes associated with different AKI stages in cirrhosis.

Purpose of the Study:

  • To evaluate the prognosis of various acute kidney injury stages in patients with cirrhosis.
  • To determine the association between AKI and mortality in hospitalized cirrhosis patients.
  • To assess the impact of mild renal impairment on survival in cirrhosis.

Main Methods:

  • A multicenter prospective cohort study involving 928 patients hospitalized for acute decompensation of cirrhosis.
  • Serum creatinine levels were monitored at least twice for each patient.
  • Primary outcome measure was all-cause mortality at various time points (in-hospital, 30-day, 90-day, and 12-month).

Main Results:

  • 505 patients (54.4%) developed acute kidney injury across stages 1a, 1b, 2, and 3.
  • Patients with stage 1a AKI had significantly higher in-hospital (19.3% vs 4.7%), 30-day (21.8% vs 6.7%), 90-day (35.2% vs 17.5%), and 12-month (54.1% vs 37.1%) mortality compared to those without AKI.
  • All stages of AKI (1a, 1b, 2, 3) were independently associated with reduced survival in multivariate analysis (p < 0.01).

Conclusions:

  • Hospitalization for cirrhosis with acute kidney injury is linked to substantially increased mortality rates.
  • Even the mildest form of AKI (stage 1a) significantly elevates mortality risk in cirrhosis patients.
  • These findings underscore the importance of early detection and treatment for AKI in cirrhosis to improve survival.