What are my alternatives to knee replacement?
Compare nonsurgical knee arthritis care, injection choices, and selected surgical alternatives—with evidence, limits, and questions for your clinician.
Read the guide ↗Medically reviewed by Charles A. DeCook, MD ·
← All optionsLearn about the evidence
Genicular artery embolization
An artery procedure, not a joint injection.
Who might it suit?
For: A specialist discussion of an emerging knee procedure.
Not for: An automatic choice based on an X-ray alone, or a substitute for assessment by an interventional radiologist.
Limits and important cautions
Evidence is still evolving. It requires interventional-radiology assessment; potential vascular and non-target tissue injury must be discussed. It does not reconstruct cartilage.
What happens, how long, and what could it cost?
- What happens
- An interventional radiologist assesses suitability for selective embolization of small arteries around the knee.
- When might I notice a change?
- A reliable personal timeline cannot be predicted from the evidence reviewed here. Agree on a review date before starting.
- How long might benefit last?
- Benefit and durability depend on the exact intervention and population. The evidence section below explains what is known.
- Repeat treatment
- Ask about uncertain durability, alternatives, and how persistent symptoms would be managed.
- Activity and recovery
- Obtain instructions for the vascular access site, activity, and signs of vascular or tissue complications.
- Ask for a complete estimate
- Consultation, imaging, embolic material, procedure/facility charges, and follow-up.
Use this as a consultation guide. A timeline is not a guarantee; the evidence and FDA sections below remain part of the decision.
THE EVIDENCE IN CONTEXT
Promising procedure; recommendations differ
Read the 3 selected references
- van Zadelhoff et al.: GAE versus sham ↗
Both groups improved; the between-group difference was not significant at four months. Uncontrolled improvement alone can overestimate treatment benefit.
- SIR: GAE for symptomatic knee OA ↗
Supports selected patients after conservative care fails, while calling for larger randomized trials. A society statement is not a treatment guarantee.
- NICE HTG595: genicular artery embolisation ↗
Recommends research-only use because efficacy and long-term safety evidence are insufficient. Original guidance was IPG708; its recommendations differ from SIR’s later position.
FDA status
Embolic product and use must be checkedFDA regulates the embolic materials used in GAE. The cited Embosphere clearance lists tumors, uterine fibroids, prostatic arteries for BPH, and arteriovenous malformations; it does not list knee osteoarthritis. That record must not be presented as an FDA-cleared knee OA indication. Confirm the exact material and current labeling with the interventional radiologist.
Site summary of FDA information · reviewed September 19, 2026. Refer to current product labeling. This is not an FDA endorsement of this site.What do professional guidelines say?
ACR: No OA guideline recommendation for GAE.
Will Medicare cover it?
UNSURE; policy and case-specific review required. No booking is available here.