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Related Concept Videos

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...
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Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme (ECE). Of...
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Aneurysm III: Interprofessional Care

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The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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Cardiac Catheterization I: Pre-Procedure Overview

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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Updated: May 16, 2026

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

Renal artery embolization.

Steven Sauk1, Darryl A Zuckerman

  • 1Mallinckrodt Institute of Radiology, Section of Vascular and Interventional Radiology, St. Louis, Missouri.

Seminars in Interventional Radiology
|December 4, 2012
PubMed
Summary
This summary is machine-generated.

Renal artery embolization (RAE) is a minimally invasive procedure effective for various urologic conditions. Advances have expanded its use for hematuria, tumors, and transplant complications with improved safety.

Keywords:
Embolizationhemorrhageinterventional radiologykidneyrenal artery

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Area of Science:

  • Interventional Radiology
  • Urology

Background:

  • Renal artery embolization (RAE) has evolved significantly since the 1970s.
  • Technical advancements have broadened its applications and improved safety profiles.

Purpose of the Study:

  • To review the expanded indications for RAE.
  • To discuss the techniques employed in RAE.
  • To highlight the improved safety and efficacy of RAE.

Main Methods:

  • Review of indications and techniques for RAE.
  • Analysis of historical development and recent advancements in RAE.

Main Results:

  • RAE is effective for symptomatic hematuria, metastatic renal cancer palliation, preoperative tumor infarction, angiomyolipomas, vascular malformations, medical renal disease, and post-transplant complications.
  • Improved embolic agents and smaller catheters have reduced morbidity associated with RAE.

Conclusions:

  • RAE is a versatile and increasingly popular minimally invasive option for diverse urologic conditions.
  • Ongoing advancements continue to enhance the safety and applicability of RAE.