Understanding Chronic Knee Pain from Osteoarthritis (OA)
Knee osteoarthritis is a degenerative joint disease caused by the breakdown of cartilage. Over time, this leads to inflammation, swelling, pain, and stiffness — dramatically limiting mobility and quality of life.
Diagnostic Process for Knee Osteoarthritis:
The evaluation of knee osteoarthritis begins with a thorough clinical assessment, including a review of the patient’s medical history, patterns of knee pain, functional limitations, and any prior treatments attempted. A focused physical examination follows, which may reveal joint tenderness, swelling, reduced range of motion, and crepitus (a grinding or crackling sensation during movement), all of which are classic signs of osteoarthritis.
Imaging plays a critical role in confirming the diagnosis and guiding treatment. X-rays are commonly used to detect cartilage loss, joint space narrowing, and bone spurs. For a more detailed assessment, an MRI can evaluate soft tissue structures such as cartilage, ligaments, and inflammation within the joint. In some cases, ultrasound may be utilized to assess fluid buildup or to assist with precise placement during joint injections.
Treatment Options for Knee Osteoarthritis:
Conservative management is typically the first line of treatment and may include physical therapy to improve joint function and mobility, anti-inflammatory medications (NSAIDs) for pain relief, and joint injections with corticosteroids or hyaluronic acid to reduce inflammation and improve lubrication. Regenerative therapies such as platelet-rich plasma (PRP) or stem cell injections may also be considered in select patients to promote healing and reduce inflammation.
For patients with advanced disease who do not respond to conservative measures, total knee replacement (TKR) may be recommended. This surgical procedure involves removing the damaged cartilage and bone and replacing them with artificial components to restore function and alleviate pain.
An emerging minimally invasive, non-surgical alternative is Geniculate Artery Embolization (GAE). Performed by an interventional radiologist, GAE targets the abnormal blood vessels that feed the inflamed synovium (joint lining), helping to reduce pain and inflammation. This outpatient procedure does not require general anesthesia or major surgery and may offer significant symptom relief for patients seeking an alternative to knee replacement.
What is Geniculate Artery Embolization (GAE)?
GAE is a minimally invasive, image-guided procedure designed to relieve chronic knee pain from osteoarthritis by blocking abnormal blood vessels that contribute to joint inflammation.
- Studies show 60–85% of patients report significant pain reduction lasting 6 months to several years
- Especially effective for patients with mild to moderate osteoarthritis or those who are not surgical candidates
Effectiveness of GAE:
Pre-Operative Process:
Before undergoing Geniculate Artery Embolization (GAE), patients receive a thorough medical evaluation, including a review of previous treatments for knee osteoarthritis. Imaging studies such as X-rays or MRI are performed to confirm the diagnosis and assess the severity of the disease. Lab tests, including a basic metabolic panel, complete blood count (CBC), and coagulation studies (if necessary), are used to ensure patient safety. A detailed medication review is conducted, and blood thinners may need to be paused under medical supervision. Patients are typically instructed to remain NPO (nothing by mouth) after midnight prior to the procedure.
During the Procedure:
GAE is performed in an interventional radiology suite using IV sedation, which keeps the patient relaxed without the need for general anesthesia. The interventional radiologist creates a small pinhole access in either the wrist (radial artery) or groin (femoral artery). Using real-time X-ray guidance, a catheter is carefully advanced into the geniculate arteries—those supplying the knee joint. Tiny, microscopic particles are then injected to block the abnormal blood vessels contributing to inflammation and pain. Once embolization is complete, the catheter is removed, pressure is applied, and a small bandage is placed—no stitches are required. The procedure typically lasts between one and two hours.
Post-Operative Care:
Patients are discharged home the same day, as GAE is an outpatient procedure. Some may experience mild soreness or bruising at the access site, which resolves on its own. Over the course of 2 to 6 weeks, knee pain generally decreases as inflammation subsides. Most patients can return to light activity within 1 to 3 days, although strenuous activity should be avoided for about one week to support optimal healing.
Common Symptoms of Knee Osteoarthritis:
- Persistent knee pain with activity and sometimes at rest
- Swelling and warmth in the joint
- Stiffness, especially after sitting or waking
- Limited range of motion
- Clicking, grinding, or popping sounds
- Difficulty with walking, stairs, or standing for long periods
Schedule Your Consultation Today
Take the first step toward better circulation and a pain-free life.
Call Vascular & Interventional Specialists of Alabama to schedule your personalized consultation and see if you’re a candidate for minimally invasive treatment.
Why Choose GAE?
- No cutting, no hardware, no hospital stay
- Not ready for knee replacement
- Have failed conservative treatments
- Not surgical candidates due to other health conditions
- Want to delay or avoid joint replacement
Your Care, Your Choice
At Vascular & Interventional Specialists of Alabama, we offer targeted, non-surgical treatments like Geniculate Artery Embolization to relieve chronic knee pain — helping you get back to what you love, without the downtime of surgery.
Take the Next Step
Call Vascular & Interventional Specialists of Alabama today to schedule your consultation and discover how Geniculate Artery Embolization can help you reclaim mobility and lasting relief from chronic knee pain.
