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Geniculate Artery Embolization: A Concise Review.

Tamam Mohamad1, Haytham A Dwaik2, Layla Abbasi2

  • 1From the Department of Cardiology, Henry Ford St. John Hospital, Detroit, MI.

Cardiology in Review
|April 16, 2026
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Summary

Genicular artery embolization (GAE) offers a minimally invasive treatment for knee osteoarthritis (OA) pain by targeting inflammation and abnormal blood vessels. Studies show GAE improves pain and function for up to two years with a good safety profile.

Keywords:
endovascular interventiongenicular artery embolizationknee osteoarthritisminimally invasive therapy

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Area of Science:

  • Interventional Radiology
  • Orthopedics
  • Vascular Medicine

Background:

  • Osteoarthritis (OA) is a leading cause of global disability.
  • Current OA treatments offer limited relief, especially for non-surgical candidates.
  • Synovial inflammation and neovascularization are key drivers of OA pain.

Purpose of the Study:

  • To review the clinical, imaging, and anatomical evidence for Genicular Artery Embolization (GAE) in knee OA.
  • To highlight GAE as a mechanism-based therapy for knee OA.
  • To evaluate GAE's role bridging conservative and surgical interventions.

Main Methods:

  • Review of prospective studies and early randomized trials on GAE for knee OA.
  • Analysis of imaging studies assessing synovial volume and vascularity.
  • Synthesis of safety data and complication rates associated with GAE.

Main Results:

  • GAE demonstrates meaningful improvements in pain, function, and quality of life.
  • Durable effects of GAE observed up to 2 years in select patients.
  • Imaging confirms reduced synovial volume and vascularity without cartilage damage; safety profile is favorable.

Conclusions:

  • GAE is a promising, minimally invasive endovascular therapy for knee OA.
  • GAE effectively targets key drivers of OA pain: synovial inflammation and neovascularization.
  • GAE represents a viable option for patients unsuitable for surgery.