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Related Concept Videos

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Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
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Renal function tests are crucial for assessing kidney health, monitoring disease progression, and evaluating the kidneys' efficiency in waste elimination, fluid balance, and electrolyte regulation. These tests offer critical insights into kidney function, even though routine measurements may appear normal until there is a significant decline in the glomerular filtration rate or GFR. Typically, signs of kidney impairment only become evident when the GFR falls to about 50% of its normal level.
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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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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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Updated: Aug 7, 2025

Assessment of Kidney Function in Mouse Models of Glomerular Disease
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Assessment of Kidney Function in Children.

Emil den Bakker1, Arend Bökenkamp2, Dieter Haffner3

  • 1Department of Pediatrics, Emma Children's Hospital, Amsterdam University Medical Centers, Meibergdreef 9, Amsterdam NL-1105 AZ, the Netherlands.

Pediatric Clinics of North America
|March 7, 2023
PubMed
Summary

Understanding kidney function tests is crucial for pediatric patient care. This article reviews urinalysis, glomerular and tubular function tests, and other methods for assessing kidney health in children.

Keywords:
Acute kidney diseaseChildrenChronic kidney diseaseDiagnosisEstimated glomerular filtration rateProteinuria

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Area of Science:

  • Pediatric Nephrology
  • Clinical Chemistry

Background:

  • Accurate assessment of kidney function is vital for effective patient management.
  • Urinalysis is a primary screening tool in outpatient settings.
  • Comprehensive evaluation requires assessing both glomerular and tubular functions.

Purpose of the Study:

  • To discuss the maturation of kidney function in children.
  • To outline the various tests used for assessing kidney function in pediatric patients.
  • To provide a guide for healthcare professionals on pediatric kidney function assessment.

Main Methods:

  • Review of established urinalysis parameters.
  • Explanation of tests for glomerular filtration rate (GFR) and urine protein excretion.
  • Description of specific tubular function tests (e.g., urine anion gap, electrolyte excretion).
  • Mention of advanced diagnostics like kidney biopsy and genetic analysis.

Main Results:

  • Urinalysis provides initial screening for kidney abnormalities.
  • Urine protein and estimated GFR are key for glomerular assessment.
  • Specific markers indicate tubular health and function.
  • Kidney biopsy and genetic tests aid in disease characterization.

Conclusions:

  • A multi-faceted approach is necessary for thorough pediatric kidney function assessment.
  • Understanding maturation is key to interpreting test results in children.
  • Integrated use of various tests ensures comprehensive patient care and diagnosis.