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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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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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Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

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Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
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Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

69
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...
69
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

53
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...
53
Acute Kidney Injury VI: Nursing Management01:22

Acute Kidney Injury VI: Nursing Management

49
Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...
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Related Experiment Video

Updated: Aug 26, 2025

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
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The complement system in pediatric acute kidney injury.

Erin K Stenson1, Jessica Kendrick2, Bradley Dixon3

  • 1Section of Pediatric Critical Care Medicine, Department of Pediatrics, University of Colorado School of Medicine, 13121 E 17th Avenue, MS8414, Aurora, CO, 80045, USA. Erin.stenson@childrenscolorado.org.

Pediatric Nephrology (Berlin, Germany)
|October 6, 2022
PubMed
Summary

The complement system, crucial for innate immunity, also drives kidney diseases. Targeting complement may offer new treatments for pediatric acute kidney injury (AKI).

Keywords:
Acute kidney injuryComplementComplement inhibitors

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Area of Science:

  • Immunology
  • Nephrology
  • Pediatric Medicine

Background:

  • The complement cascade is a key component of the innate immune system.
  • Uncontrolled complement activation is implicated in rare pediatric kidney diseases like atypical hemolytic uremic syndrome and C3 glomerulopathy.
  • Emerging evidence links complement activation to the pathogenesis of common kidney diseases, including acute kidney injury (AKI).

Purpose of the Study:

  • To review the evidence for complement system activation in pediatric patients with AKI.
  • To explore the role of complement proteins as potential biomarkers in AKI.
  • To discuss complement proteins as therapeutic targets for AKI.

Main Methods:

  • Literature review of studies investigating complement activation in pediatric AKI.
  • Analysis of existing data on complement proteins in kidney disease pathogenesis.
  • Examination of current and developing complement-targeted therapeutics.

Main Results:

  • The complement system is demonstrably activated in pediatric patients experiencing AKI.
  • Specific complement proteins show potential as reliable biomarkers for AKI diagnosis and prognosis.
  • Complement pathways are viable targets for novel therapeutic interventions in AKI.

Conclusions:

  • Complement activation plays a significant role in the development and progression of pediatric AKI.
  • Complement-targeted therapies hold promise for preventing and treating AKI in children.
  • Further research is warranted to fully elucidate the therapeutic potential of complement inhibition in AKI.