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Related Concept Videos

Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

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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...
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Acute Kidney Injury V: Interprofessional Care01:20

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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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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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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 VI: Nursing Management01:22

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Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...
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Acute Kidney Injury III: Clinical Manifestations01:29

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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...
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Acute Kidney Injury II: Pathophysiology01:29

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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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Reference Change Value Based AKI Criteria in Critically Ill Children.

Harikrishnan Radhakrishnan1, Sudarsan Krishnasamy2, Bobbity Deepthi2

  • 1Department of Pediatrics, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India.

Kidney International Reports
|February 23, 2026
PubMed
Summary

The new pediatric reference change value optimized for AKI in children (pROCK) criteria effectively identifies acute kidney injury (AKI) in children, offering high specificity for diagnosing true AKI cases.

Keywords:
KDIGO criteriaacute kidney injurycritically ill childrenpROCK criteria

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Area of Science:

  • Pediatric Nephrology
  • Critical Care Medicine
  • Biomarkers

Background:

  • Serum creatinine variability poses challenges in diagnosing acute kidney injury (AKI) in children.
  • The pediatric reference change value optimized for AKI in children (pROCK) criterion was developed to address these challenges.
  • Limited data exists on the performance of the novel pROCK criterion in pediatric intensive care unit (PICU) settings.

Purpose of the Study:

  • To evaluate the incidence and diagnostic performance of the pROCK criterion for AKI in critically ill children.
  • To compare the pROCK criterion with existing AKI diagnostic criteria: KDIGO, pRIFLE, and AKIN.
  • To assess the association between pROCK-defined AKI and mortality in the pediatric population.

Main Methods:

  • Prospective enrollment of 478 children (1 month to 18 years) admitted to a PICU.
  • Application of pROCK, KDIGO, pRIFLE, and AKIN criteria for AKI diagnosis within 7 days of PICU entry.
  • Comparison of AKI incidence, diagnostic performance (sensitivity, specificity), and agreement between criteria.

Main Results:

  • AKI incidence varied by criterion: pROCK (25.3%), KDIGO (30.5%), pRIFLE (37.6%), AKIN (30.5%).
  • pROCK demonstrated high specificity (96.2%) and good agreement with KDIGO (kappa = 0.91 for any AKI).
  • pROCK criterion was an independent predictor of mortality in this pediatric cohort.

Conclusions:

  • The pROCK criterion is effective for diagnosing AKI in children, particularly in identifying 'true AKI' due to its specificity.
  • The pROCK criterion shows promise in managing serum creatinine variability in pediatric AKI diagnosis.
  • Future research should consider incorporating urine output criteria for enhanced pROCK definition.