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Related Concept Videos

Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

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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...
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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 (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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Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
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Physiological and compartmental models are valuable tools used in studying biological systems. These models rely on differential equations to maintain mass balance within the system, ensuring an accurate representation of the dynamic processes at play.
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Updated: Sep 25, 2025

Nephrotoxin Microinjection in Zebrafish to Model Acute Kidney Injury
07:58

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Kidney microphysiological models for nephrotoxicity assessment.

Anish Mahadeo1, Catherine K Yeung2,3, Jonathan Himmelfarb3

  • 1Department of Pharmaceutics, University of Washington, Seattle, WA.

Current Opinion in Toxicology
|May 2, 2022
PubMed
Summary
This summary is machine-generated.

New 3-D kidney models offer improved preclinical nephrotoxicity testing. These advanced microphysiological systems (MPS) better predict drug-induced kidney damage compared to traditional methods.

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Area of Science:

  • Pharmacology
  • Toxicology
  • Biotechnology

Background:

  • Traditional nephrotoxicity testing uses 2-D cell cultures and animal models.
  • 2-D systems lack in vivo microenvironment complexity.
  • Animal models present interspecies differences, affecting drug transporter relevance.

Purpose of the Study:

  • Review recent advancements in kidney microphysiological systems (MPS).
  • Assess the application of kidney MPS in drug-induced toxicity testing.
  • Explore the use of kidney MPS in kidney disease research.

Main Methods:

  • Literature review of kidney microphysiological systems.
  • Analysis of MPS advancements in addressing limitations like throughput.
  • Evaluation of MPS incorporating nephron regions (e.g., glomerulus).

Main Results:

  • Kidney MPS show significant progress in overcoming limitations.
  • MPS successfully model and predict clinically relevant nephrotoxicity.
  • Advancements include improved throughput and incorporation of diverse nephron structures.

Conclusions:

  • Kidney MPS represent a promising alternative to traditional nephrotoxicity testing.
  • These systems enhance the prediction of drug-induced kidney injury.
  • Future research focuses on further refining MPS for comprehensive kidney research.