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Acute Kidney Injury IV: Diagnostic Studies and Prevention

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 I: Introduction

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...

Acute Kidney Injury II: Pathophysiology

Acute Kidney Injury II: Pathophysiology

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...

Acute Kidney Injury VI: Nursing Management

Acute Kidney Injury VI: Nursing Management

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...

Acute Kidney Injury III: Clinical Manifestations

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 Care

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...

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Related Experiment Video

Updated: May 12, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion

Published on: February 2, 2021

Clinical Prediction Models for Acute Kidney Injury in Neonatology-A Systematic Review and Modelling Analysis.

Dermot Wildes^1,2,3, Lisa Corley², Deirdre O'Sullivan⁴

¹Department of Paediatrics, RCSI University of Medicine & Health Sciences, Dublin, Ireland.

Journal of Paediatrics and Child Health

|May 11, 2026

Summary

Clinical prediction rules (CPRs) for neonatal acute kidney injury (AKI) show promise but require further development and validation. External validation is crucial before integrating these tools into neonatal intensive care unit (NICU) workflows for early AKI detection.

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Last Updated: May 12, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion

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Published on: February 2, 2021

Noninvasive and Invasive Renal Hypoxia Monitoring in a Porcine Model of Hemorrhagic Shock

Noninvasive and Invasive Renal Hypoxia Monitoring in a Porcine Model of Hemorrhagic Shock

Published on: October 28, 2022

Area of Science:

Neonatal Medicine
Nephrology
Clinical Informatics

Background:

Acute kidney injury (AKI) impacts up to one-third of neonates in neonatal intensive care units (NICUs).
Neonatal intensive care units (NICUs) generate extensive data suitable for developing clinical prediction rules (CPRs).
Existing CPRs for predicting neonatal AKI risk need critical appraisal.

Purpose of the Study:

To identify and critically evaluate existing clinical prediction rules (CPRs) for predicting acute kidney injury (AKI) in neonates.
To assess the development and validation status of CPRs for neonatal AKI.

Main Methods:

Systematic literature search of PubMed and OVID-MEDLINE (1946-Q2-2025).
Included studies reported development or validation of CPRs for neonatal AKI in NICU populations.
Followed PRISMA guidelines; registered with PROSPERO (CRD420250653606); data extraction via CHARMS checklist; risk of bias assessed using PROBAST tool.

Main Results:

Three studies met inclusion criteria from 685 identified articles.
Sample sizes ranged from 276 to 706 participants; CPRs used 4-10 predictor variables.
Internal validation was reported, but external validation was absent; common analyses included Hosmer-Lemeshow testing and calibration plots.

Conclusions:

Current CPRs for neonatal AKI are underdeveloped and lack robust validation.
External validation is essential before clinical implementation.
Further rigorous research is needed for effective early detection of neonatal AKI.