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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 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 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 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...

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 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...

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Video Experimental Relacionado

Updated: May 22, 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

La lesión renal aguda es una lesión renal aguda.

Rinaldo Bellomo¹, John A Kellum, Claudio Ronco

¹Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia. rinaldo.bellomo@austin.org.au

Lancet (London, England)

|May 24, 2012

Resumen

La lesión renal aguda (IRA) es una disminución rápida de la función renal, que a menudo ocurre en pacientes hospitalizados. Si bien AKI se puede revertir, aumenta significativamente el riesgo de desarrollar enfermedad renal crónica más adelante en la vida.

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Nephrotoxin Microinjection in Zebrafish to Model Acute Kidney Injury

Nephrotoxin Microinjection in Zebrafish to Model Acute Kidney Injury

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Área de la Ciencia:

Nefrología Nefrología.
Medicina de cuidados críticos Medicina de cuidados críticos.

Sus antecedentes:

La lesión renal aguda (IRA) se caracteriza por la pérdida rápida de la función excretora renal.
Es una complicación común en pacientes hospitalizados y en estado crítico, a menudo derivada de factores externos.
El tratamiento actual para AKI es principalmente de apoyo, sin terapias específicas para revertir o acelerar la recuperación.

Objetivo del estudio:

Para resumir la comprensión actual de la lesión renal aguda.
Para resaltar los desafíos de diagnóstico y las técnicas emergentes.
Para discutir las modalidades de tratamiento y los resultados a largo plazo.

Principales métodos:

Revisión de la literatura existente sobre la lesión renal aguda.
Análisis de los criterios de diagnóstico y las manifestaciones clínicas.
Examen de las estrategias de tratamiento y los resultados de los pacientes.

Principales resultados:

AKI se diagnostica por marcadores como urea elevada y creatinina o reducción de la producción de orina.
Los eventos extrarrenales son causas frecuentes en pacientes en estado crítico, aunque los mecanismos siguen siendo objeto de debate.
La terapia de reemplazo renal se utiliza para los casos graves de IAC.
La recuperación a la independencia de la diálisis es típica para los sobrevivientes sin enfermedad renal crónica preexistente.

Conclusiones:

El diagnóstico temprano a través de nuevos biomarcadores renales puede mejorar los resultados de los pacientes.
Los sobrevivientes de AKI se enfrentan a un riesgo elevado de desarrollar enfermedad renal crónica.
Se necesita más investigación para comprender la patogénesis de AKI y desarrollar terapias dirigidas.