What to Expect During and After Genicular Artery Embolization

If knee pain has taken over your everyday life, the idea of a minimally invasive procedure that skips the operating room, general anesthesia, and the long rehabilitation probably sounds too good to be true. Genicular Artery Embolization (GAE) is real; it is backed by growing clinical evidence, and it is changing how people think about treating osteoarthritis knee pain.

But knowing what actually happens on procedure day and in the days and weeks after makes all the difference in walking in with confidence instead of nerves. Here’s a walk-through of what to expect during and after GAE, so you know exactly what’s ahead.

Arriving for Your Procedure

GAE is performed right in the office, not in a hospital operating room. At South Florida Vascular Associates, patients enter a calm, spa-like setting rather than a sterile surgical ward. You’ll change into a gown, a nurse will review your medical history one more time, and your care team will walk you through the next hour before your physician gets started.

One of the most common questions patients ask beforehand is whether it will hurt. It won’t. You’ll be given local anesthesia along with light sedation, so you stay relaxed and comfortable but never fully unconscious. There’s no breathing tube, no lengthy recovery from general anesthesia, and no overnight hospital stay to plan for.

What Happens During the Procedure

Once you’re settled and sedated, your interventional radiologist makes a tiny puncture, usually in the groin or the foot; no scalpel and no stitches required. From there:

• A catheter is guided to the knee. Using real-time X-ray imaging, your physician threads a thin catheter through your blood vessels until it reaches the genicular arteries, the small vessels feeding blood to the inflamed tissue inside your knee.
• Tiny particles are released. These microscopic particles, smaller than a grain of sand, are injected to gently block abnormal blood flow to the areas driving your pain and inflammation.
  
• Your physician confirms the result. Additional imaging verifies that blood flow has been reduced exactly where it needs to be, without affecting healthy tissue elsewhere in the joint.

Most patients are surprised by how quick it all is. The entire procedure typically takes 60 to 90 minutes from start to finish, and you’re awake through the whole thing, often chatting with your care team or watching the imaging screen. 

The First Few Hours: Recovery Room to Home

Once the procedure wraps up, you’ll spend a short time in a recovery area while the team monitors your vitals and checks the puncture site. There’s no incision to worry about healing, just a small entry point that’s covered with a simple bandage.

Because you’ve had sedation, you’ll need someone to drive you home. Most patients describe the rest of that first day as a “take it easy” day: resting on the couch, keeping the leg elevated when possible, and staying hydrated. A little tenderness, mild bruising, or soreness at the puncture site is completely normal, and it typically fades within a couple of weeks.

The Days That Follow

This is where GAE really sets itself apart from surgical alternatives like knee replacement. There’s no cast, no crutches required, and no weeks-long physical therapy plan waiting for you. Most patients are back to their normal daily routine within just a few days.

That said, “normal routine” doesn’t mean sprinting back into your hardest workout. Here’s a general guide for easing back in:

• Day 1: Rest, keep the leg elevated, and avoid strenuous movement.
• Days 2-3: Light walking and daily activities are generally fine. Listen to your knee.
• End of week one: Most patients feel comfortable resuming non-strenuous exercise and normal errands.
• Beyond two weeks: Bruising and tenderness should be resolved, and higher-impact activity can typically be reintroduced with your physician’s guidance.

Every patient’s timeline looks a little different depending on the severity of their arthritis and how their body responds, so your care team will give you tailored guidance at your follow-up visit rather than a one-size-fits-all script.

When Will the Pain Relief Kick In?

Unlike a pain pill, GAE doesn’t offer instant relief the moment you walk out the door. It works by reducing the abnormal blood flow that’s been fueling inflammation in your knee, and that process takes a little time to unfold. Many patients start to notice a difference within one to two weeks, with continued improvement over the following months as inflammation in the joint settles down. 

If your knee still aches a few days after the procedure, that doesn’t mean anything went wrong. It simply means your body is still working through the healing process. Sticking with your follow-up appointments allows your physician to track your progress and confirm you’re on the right path.

Signs Worth a Phone Call

Complications after GAE are uncommon, but it’s still worth knowing what falls outside the range of normal healing. Reach out to your care team if you notice:

• Fever or chills
• Increasing redness, swelling, or drainage at the puncture site
• Bleeding that won’t stop with light pressure
• Pain that’s getting worse instead of better
• Numbness, tingling, or color changes in your leg or foot

When something feels off, don’t wait it out and wonder. Your care team would always rather hear from you.

Getting Back to the Life You Miss

The real goal of GAE isn’t just pain relief on paper; it’s getting you back to the walks, the golf swings, the grandkids, and the everyday movement that knee pain has been holding hostage. Because recovery is so much gentler than surgical options, most patients find themselves returning to the things they love far sooner than they expected.

GAE won’t rebuild cartilage or reverse arthritis, but for many patients living with osteoarthritis knee pain, it offers meaningful, lasting relief without the trade-offs of a major operation.

Ready to Take the Next Step?

Living with knee pain isn’t something you have to accept as your new normal, and finding relief doesn’t have to mean a hospital stay or months of rehab. At South Florida Vascular Associates, Dr. William Julien and our team have performed more than 40,000 vascular procedures, bringing that experience to every patient who walks through our doors. If persistent knee pain has been holding you back, schedule a consultation at one of our Coconut Creek, Palm Beach, or Plantation locations and find out if GAE is the right next step for you. Call us at (954) 777-6230 or book your appointment online today.

FAQs

1. Will I be awake during the GAE procedure? 

Yes. GAE uses local anesthesia with light sedation, so you’ll be relaxed and pain-free but not fully unconscious, unlike surgery under general anesthesia in a hospital setting.

2. How long does the GAE procedure take? 

Most GAE procedures take between 60 and 90 minutes from start to finish. You’ll go home the same day, no overnight hospital stay required.

3. How long until I can walk normally after GAE? 

Many patients resume light daily activity the next day . Full comfort with walking varies by individual, but recovery is typically much faster than after knee surgery.

4. When will I notice less knee pain after GAE? 

Relief often begins within one to two weeks, with continued improvement over the following months as inflammation in the knee gradually decreases.

5. Is bruising after GAE normal? 

Yes. Mild bruising or tenderness at the puncture site is common and usually resolves within about two weeks without any additional treatment needed.

6. Can I go back to exercising after GAE? 

Most patients ease back into light exercise within a week and resume more demanding activity within a few weeks, guided by their physician’s recommendations.