Related Experiment Video

Updated: Jun 25, 2026

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
05:34

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats

Published on: April 4, 2025

Chronic kidney disease definition and classification: no need for a rush to judgment

Garabed Eknoyan1

  • 1The Renal Section, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA. geknoyan@bcm.edu

Kidney International
|March 6, 2009
PubMed

Insights

The Kidney Disease Outcomes Initiative (KDOQI) guideline revolutionized chronic kidney disease (CKD) detection. Ongoing research and a new proposed staging system aim to refine CKD classification and management.

Area of Science:

  • Nephrology
  • Public Health
  • Clinical Guidelines

Background:

  • The Kidney Disease Outcomes Initiative (KDOQI) guideline marked a significant advancement in chronic kidney disease (CKD) detection and classification.
  • The initial guideline identified knowledge gaps and limitations, prompting further research and development.

Purpose of the Study:

  • To review the evidence and address limitations identified since the 2002 KDOQI guideline.
  • To consider a new staging system for CKD progression towards end-stage renal disease.
  • To inform potential refinements or redesigns of current CKD staging.

Main Methods:

  • Systematic analysis of accrued data since the 2002 KDOQI guideline publication.
  • Review of longitudinal and cohort studies on CKD epidemiology and prognostic determinants.
  • Consideration of proposed new CKD staging centered on progression to end-stage renal disease.

Main Results:

  • The 2002 KDOQI guideline initiated a paradigm shift in CKD management.
  • Subsequent research has addressed identified problems and improved understanding of CKD epidemiology.
  • Debate continues regarding glomerular filtration rate equation precision and CKD prevalence estimates.

Conclusions:

  • A systematic data analysis is crucial for refining CKD staging.
  • The Kidney Disease: Improving Global Outcomes (KDIGO) initiative is undertaking this review.
  • A measured approach is advised for any revisions to CKD classification and staging.

More Related Videos

Mouse Model of Acute to Chronic Kidney Disease Transition Induced by Renal Ischemia/Reperfusion Injury07:02

Mouse Model of Acute to Chronic Kidney Disease Transition Induced by Renal Ischemia/Reperfusion Injury

Published on: February 10, 2026

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice10:31

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Published on: May 2, 2025

Related Concept Videos

Chronic Kidney Disease I: Introduction01:25

Chronic Kidney Disease I: Introduction

Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...
Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

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...
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...
Nephrons01:10

Nephrons

The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma happens...
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...
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...