Is Genicular Artery Embolization Right for Your Chronic Knee Pain?

Genicular artery embolization (GAE) is a minimally invasive procedure that targets inflammation in your knee joint. It can provide pain relief and delay or eliminate the need for knee replacement surgery. But it’s not for everyone. 

Vascular & Interventional Specialists offers GAE in Miami, Florida, and we’re here to help answer your questions. 

Keep reading to learn more about GAE. 

What GAE can treat

Genicular artery embolization works best for people whose pain is caused by inflammation in the knee joint. If your pain is caused by inflammation, GAE has real potential to help.

The procedure works by targeting the blood vessels responsible for your knee joint's inflammation. When arthritis develops, the lining inside your knee joint gets inflamed and abnormal blood vessels grow to supply this inflamed tissue.

The extra blood vessels deliver excessive blood flow and inflammatory chemicals to your knee, which intensifies pain and swelling. 

With GAE, we use imaging guidance to thread a catheter to the genicular arteries feeding your knee joint and inject tiny particles to block these abnormal blood vessels.

Blocking the blood vessels reduces blood flow to the inflamed areas. With less blood flow supplying the inflammation, inflammation and pain decreases.

However, GAE doesn't work for all types of knee pain. If your primary problem is mechanical, such as a meniscus tear or structural instability, GAE can't address these issues. That means it likely won’t make a difference for your discomfort, because it targets the wrong pain source.

The best way to find out if GAE is right for you is by getting an accurate diagnosis. Determining exactly what's causing your pain is the first step in determining whether GAE is appropriate.

When GAE might not be the best option

While many people are good candidates for GAE, certain situations may make it inappropriate. For example, GAE provides minimal relief in cases of severe knee joint space narrowing with bone-on-bone arthritis.

If your pain is primarily from muscles around your knee, GAE won't provide meaningful relief. 

We may also recommend other treatments if you have vascular disease or significant blood vessel problems, or if you have an active infection in your knee.

Setting expectations with GAE

If you’re considering GAE for your knee pain, we’ll help you set expectations. GAE can provide significant pain relief, and many people experience meaningful improvement in their pain within 2-4 weeks after the procedure as inflammation decrease.

Pain relief from GAE lasts 1-3 years or longer, but it’s important to understand that GAE isn’t a permanent cure. It can reduce knee pain from inflammation and arthritis, but arthritis still progresses, and cartilage damage isn’t reversed.

Knee pain might return as new inflammation develops. This doesn't mean your GAE failed — it means you got significant relief for an extended period, buying you time before potentially needing more aggressive intervention.

If GAE doesn't help, you haven't eliminated your other options. You can still pursue knee replacement, additional injections, or other interventions, because GAE doesn't preclude future treatments.

The benefits of GAE to delay knee replacement surgery

Many people with severe knee osteoarthritis end up needing joint replacement surgery. But GAE offers an effective alternative that can delay major surgery and preserve your lifestyle.

If you're not ready for joint replacement, if you want to preserve your natural knee joint as long as possible, or if you want to maintain more natural knee function and mobility, GAE provides a valuable bridge in your care. 

The best way to know if GAE is right for you is with an evaluation with our interventional specialists. Our team at Vascular & Interventional Specialists can assess your pain pattern and honestly discuss whether GAE could help. Contact us to get started.