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Related Concept Videos

Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

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...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

In geriatric patients, renal physiology undergoes significant changes, including diminished renal blood flow and a lower glomerular filtration rate (GFR), leading to alterations in medication clearance. Drugs such as aminoglycoside antibiotics, lithium, and digoxin, which rely on glomerular filtration for removal from the body, particularly impact pharmacokinetics. These drugs tend to have slower clearance rates in older adults, necessitating careful dosage considerations.Evaluation of renal...
Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

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...
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...
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...
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...

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Related Experiment Video

Updated: Jun 2, 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

[Acute renal failure in the elderly].

Alexandre Lautrette1, Anne-Élisabeth Heng, Dominique Jaubert

  • 1Service de néphrologie et réanimation médicale, CHU Gabriel-Montpied, 58, rue Montalembert, 63000 Clermont-Ferrand, France. alautrette@chu-clermontferrand.fr

Nephrologie & Therapeutique
|May 3, 2011
PubMed
Summary
This summary is machine-generated.

Acute renal failure (ARF) is increasingly common in elderly patients due to age-related changes and chronic diseases. Preventive measures are crucial, and treatment strategies must consider individual risks and benefits, not solely age.

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Use of a Hanging-weight System for Isolated Renal Artery Occlusion
07:54

Use of a Hanging-weight System for Isolated Renal Artery Occlusion

Published on: July 19, 2011

Related Experiment Videos

Last Updated: Jun 2, 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

Use of a Hanging-weight System for Isolated Renal Artery Occlusion
07:54

Use of a Hanging-weight System for Isolated Renal Artery Occlusion

Published on: July 19, 2011

Area of Science:

  • Nephrology
  • Geriatrics
  • Internal Medicine

Context:

  • Acute renal failure (ARF) presents a growing challenge in elderly populations, particularly in countries with increasing life expectancy like France.
  • Age-related physiological changes and the higher prevalence of comorbidities such as diabetes, hypertension, and urological disorders significantly elevate ARF risk in older adults.
  • Drug-induced ARF is a particularly common subtype in this demographic.

Purpose:

  • To highlight the increased incidence and specific risk factors for acute renal failure in the elderly population.
  • To emphasize that diagnostic and therapeutic approaches for ARF in older adults should mirror those for younger patients, with careful consideration of age-specific risks and benefits.
  • To advocate for the prioritization of preventive strategies for acute renal failure in geriatric patients.

Summary:

  • Elderly patients face a heightened risk of acute renal failure due to natural aging processes and common chronic conditions like diabetes and hypertension.
  • While treatment protocols are similar to adults, they necessitate a nuanced approach, balancing potential benefits against risks specific to the elderly.
  • Drug-related acute renal failure is a significant concern in this age group, underscoring the importance of medication management.

Impact:

  • Enhanced understanding of geriatric acute renal failure epidemiology and risk stratification.
  • Improved clinical decision-making for diagnosing and managing acute renal failure in elderly patients.
  • Increased emphasis on preventative care to mitigate the burden of acute renal failure in an aging global population.