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Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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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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Society of Interventional Radiology Position Statement on Genicular Artery Embolization for Symptomatic Knee Osteoarthritis.

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Standardized angiographic workflow and technique for genicular artery embolization.

Seyed A Astani1, Amanda Oliveira2, Brandon Matty3

  • 1North Star Vascular & Interventional, Golden Valley, MN, USA.

CVIR Endovascular
|May 1, 2026
PubMed
Summary

Genicular artery embolization (GAE) offers a safe, minimally invasive treatment for chronic knee osteoarthritis (OA). This standardized protocol details a precise technique for improved patient outcomes.

Keywords:
CBCTEmbolization techniqueGenicular artery embolizationInterventional radiologyKnee osteoarthritis

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Area of Science:

  • Interventional Radiology
  • Orthopedics
  • Vascular Medicine

Background:

  • Chronic knee osteoarthritis (OA) significantly impacts quality of life for patients unresponsive to conservative treatments.
  • Minimally invasive procedures are increasingly sought for OA management.
  • Genicular artery embolization (GAE) shows promise as an alternative therapy.

Purpose of the Study:

  • To describe a standardized, reproducible technical protocol for Genicular Artery Embolization (GAE).
  • To detail imaging and embolization strategies for chronic knee OA.
  • To provide a framework for the safe and precise application of GAE.

Main Methods:

  • Development of a standardized protocol based on over 250 procedures at a single institution.
  • Integration of sheathless femoral access and cone-beam computed tomography (CBCT) with advanced planning software.
  • Selective embolization using resorbable or permanent agents in an outpatient setting.

Main Results:

  • The described GAE protocol emphasizes safety, reproducibility, and precision.
  • The technique facilitates outpatient procedures with same-day discharge and post-procedural physical therapy.
  • This standardized approach can serve as a model for broader GAE implementation.

Conclusions:

  • GAE is a safe and encouraging minimally invasive option for chronic knee OA.
  • A standardized protocol enhances the precision and reproducibility of GAE.
  • This technical report offers a framework for the wider adoption and standardization of GAE.