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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...
508
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...
127
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 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 III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

401
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 VI: Nursing Management01:22

Acute Kidney Injury VI: Nursing Management

178
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: Nov 11, 2025

Renal Ischaemia Reperfusion Injury: A Mouse Model of Injury and Regeneration
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The complex interplay between kidney injury and inflammation.

Stephen J McWilliam1,2, Rachael D Wright2, Gavin I Welsh3

  • 1Department of Paediatric Pharmacology, Alder Hey Children's Hospital, Liverpool, UK.

Clinical Kidney Journal
|March 29, 2021
PubMed
Summary

Acute kidney injury (AKI) involves kidney cell death and inflammation, but kidneys can regenerate if damage is not severe. Early biomarkers are crucial for identifying patients at risk of developing chronic kidney disease (CKD) after AKI.

Keywords:
acute kidney injuryglomerulonephritisinflammationrenal fibrosis

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Area of Science:

  • Nephrology
  • Pathophysiology
  • Regenerative Medicine

Background:

  • Acute kidney injury (AKI) is a significant patient safety concern, linked to increased mortality and hospitalization.
  • Common AKI causes include hypovolemia, nephrotoxins, ischemia, and glomerulonephritis, often multifactorial.
  • Inflammation is a near-universal component of kidney injury, either as a cause or consequence.

Purpose of the Study:

  • To explore the interplay between kidney injury and inflammation.
  • To review the mechanisms of renal inflammation resolution and regeneration after AKI.
  • To highlight the AKI to CKD transition and the role of biomarkers.

Main Methods:

  • Review of existing literature and workshop findings on AKI and inflammation.
  • Analysis of studies on renal cell death (apoptosis, necrosis) and inflammatory responses.
  • Examination of molecular mechanisms in kidney regeneration and fibrosis.

Main Results:

  • AKI involves renal cell death and a significant inflammatory response.
  • Kidneys possess intrinsic regenerative capacity if damage is below a critical threshold.
  • Repeated or severe AKI leads to nephron loss, fibrosis, and progression to chronic kidney disease (CKD).

Conclusions:

  • The transition from AKI to CKD is driven by maladaptive repair processes.
  • Identifying high-risk patients for fibrosis and CKD requires early biomarkers.
  • Laboratory models aid in understanding AKI pathogenesis and testing targeted therapies.