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Related Concept Videos

Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

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 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...
Acute Kidney Injury I: Introduction01:22

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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...
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
Cardiac Catheterization I: Pre-Procedure Overview01:28

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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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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Technical Refinement of a Bilateral Renal Ischemia-Reperfusion Mouse Model for Acute Kidney Injury Research
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Technical Refinement of a Bilateral Renal Ischemia-Reperfusion Mouse Model for Acute Kidney Injury Research

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Acute Kidney Injury for the Interventional Radiologist: A Review.

Nathan R Leaphart1, John F Angle1

  • 1Department of Radiology and Medical Imaging, Division of Vascular & Interventional Radiology, University of Virginia, Charlottesville, VA.

Techniques in Vascular and Interventional Radiology
|June 2, 2026
PubMed
Summary
This summary is machine-generated.

Acute kidney injury (AKI) is a common complication in hospitalized patients, particularly the critically ill. Understanding AKI, including contrast-associated and contrast-induced types, is vital for the Vascular Interventional Radiology (VIR) to improve patient outcomes.

Keywords:
acute kidney injurycarbon dioxidecontrast, gadoliniumglomerular filtration ratenon-steroidal anti-inflammatorypost-renalpre-renal

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A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
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Last Updated: Jun 4, 2026

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A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
09:02

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

Published on: February 2, 2021

Area of Science:

  • Nephrology
  • Radiology
  • Critical Care Medicine

Background:

  • Acute kidney injury (AKI) is prevalent in hospitalized patients, with higher incidence in critically ill individuals, those with chronic kidney disease (CKD), advanced age, or comorbidities.
  • AKI significantly increases morbidity, mortality, and the risk of progression to CKD.
  • Renal function relies on nephron activity for fluid balance, electrolyte homeostasis, and waste filtration; disruptions lead to AKI.

Purpose of the Study:

  • To highlight the importance of understanding AKI for Vascular Interventional Radiology (VIR) consultations.
  • To emphasize the need for distinguishing between contrast-associated AKI and contrast-induced AKI.
  • To underscore the VIR's role in AKI prevention, diagnosis, and management.

Main Methods:

  • Clinical evaluation involves history, physical examination, laboratory tests, urinalysis, and imaging.
  • Diagnostic approaches aim to identify the underlying cause of AKI.
  • Preventative strategies for AKI are crucial in patient management.

Main Results:

  • AKI is associated with significant negative clinical impacts.
  • Early recognition and management of AKI are essential.
  • Understanding specific AKI types, like contrast-associated and contrast-induced, aids in procedural planning and post-procedural care.

Conclusions:

  • The VIR plays a critical role in managing patients with or at risk of AKI.
  • Distinguishing between different AKI etiologies, especially contrast-related, is vital for effective intervention.
  • Improved understanding and strategies can mitigate the adverse effects of AKI.