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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 III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

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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 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...
391
Acute Kidney Injury II: Pathophysiology01:29

Acute Kidney Injury II: Pathophysiology

1.3K
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...
1.3K
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

407
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...
407
Acute Kidney Injury VI: Nursing Management01:22

Acute Kidney Injury VI: Nursing Management

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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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Related Experiment Video

Updated: Mar 1, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
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Postoperative acute kidney injury.

Jung Tak Park1

  • 1Department of Internal Medicine, Institute of Kidney Disease Research, Yonsei University College of Medicine, Seoul, Korea.

Korean Journal of Anesthesiology
|June 6, 2017
PubMed
Summary
This summary is machine-generated.

Acute kidney injury (AKI) after cardiac surgery is a serious complication. Early detection via novel biomarkers and preventative strategies like fluid resuscitation can improve patient outcomes.

Keywords:
Acute kidney injuryPostoperative complicationsRenal protectionSurgery

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Area of Science:

  • Nephrology
  • Cardiology
  • Critical Care Medicine

Background:

  • Acute kidney injury (AKI) is a frequent and severe complication following cardiac surgery.
  • Current definitions of AKI involve serum creatinine increases and decreased urine output.
  • The complex pathophysiology includes ischemic injury and systemic inflammation.

Purpose of the Study:

  • To review risk factors, diagnostic advancements, and preventative strategies for postoperative AKI.
  • To highlight the importance of early detection and intervention in managing AKI.
  • To discuss the role of novel biomarkers in diagnosing AKI.

Main Methods:

  • Review of recent literature on AKI definitions, pathophysiology, and risk factors.
  • Assessment of novel biomarkers for early AKI detection.
  • Evaluation of preventative measures and management strategies for postoperative AKI.

Main Results:

  • Identified risk factors include advanced age, diabetes, heart failure, and obesity.
  • Novel biomarkers show promise for earlier and more precise AKI diagnosis.
  • Preventative measures like hemodynamic support and avoiding nephrotoxins are crucial.

Conclusions:

  • Early identification of high-risk patients and implementation of preventative strategies can reduce AKI incidence.
  • Novel biomarkers may enhance early diagnosis and management of AKI.
  • Renal replacement therapy should be considered when medical management is insufficient.