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Related Concept Videos

Continuous Renal Replacement Therapy01:30

Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

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...
Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy01:26

Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy (CRRT) is an essential intervention for patients experiencing severe kidney dysfunction. This therapy offers a continuous mechanism for removing fluids and toxins from the bloodstream, leveraging the patient’s blood pressure to facilitate filtration through a specialized filter. This method contrasts with intermittent dialysis, providing a gentler and more consistent removal of waste products and excess fluid, which is particularly beneficial in critically...
Dialysis01:27

Dialysis

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).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
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...
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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...

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Related Experiment Video

Updated: Jun 20, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
09:02

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion

Published on: February 2, 2021

Renal replacement therapy for acute renal failure.

E Macedo1, J Bouchard, R L Mehta

  • 1Division of Nephrology and Hypertension, Department of Medicine, University of California San Diego, San Diego, CA, USA.

Minerva Urologica E Nefrologica = the Italian Journal of Urology and Nephrology
|September 24, 2009
PubMed
Summary

Renal replacement therapy has evolved significantly for acute kidney injury (AKI) treatment. This review explores current dialysis techniques and guides optimal therapy selection for AKI patients.

Related Experiment Videos

Last Updated: Jun 20, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
09:02

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion

Published on: February 2, 2021

Area of Science:

  • Nephrology
  • Critical Care Medicine
  • Renal Replacement Therapy

Background:

  • Renal replacement therapy (RRT) has been a cornerstone in managing severe acute kidney injury (AKI) since the 1960s.
  • Significant advancements in dialysis technology, including biocompatible membranes and volumetric ultrafiltration control, have enhanced AKI treatment.
  • Both intermittent hemodialysis and continuous renal replacement therapies are now widely accepted for dialysis-requiring AKI.

Purpose of the Study:

  • To review current concepts and evolving techniques in dialysis for acute kidney injury.
  • To address controversies regarding the indication, timing, and modality selection for RRT in AKI.
  • To propose a framework for choosing the optimal RRT method for AKI patients.

Main Methods:

  • Literature review of advancements in renal replacement therapy for AKI.
  • Analysis of current clinical practices and controversies in dialysis for AKI.
  • Synthesis of evidence to suggest an approach for selecting RRT modality.

Main Results:

  • Dialytic options for AKI have expanded considerably, improving patient outcomes.
  • Despite advances, key aspects of RRT for AKI, such as initiation timing and modality choice, remain debated.
  • Continuous renal replacement therapies have gained significant traction alongside intermittent hemodialysis.

Conclusions:

  • Optimal selection of renal replacement therapy modality is crucial for AKI patient outcomes.
  • Further research and consensus are needed to clarify controversial aspects of RRT in AKI.
  • This review provides guidance for clinicians in choosing the most appropriate dialysis technique for AKI.