Chronic Knee Pain Without Surgery: Understanding Your Non-Surgical Options

Chronic knee pain can be profoundly life-limiting. For many people, it affects far more than just walking. Stairs become difficult, sleep is disturbed, confidence drops, and everyday activities such as shopping, travelling, or socialising start to feel daunting.

Arthrosamid® integrates with the synovial lining (the joint’s inner capsule), helping reduce pain and stiffness in knee osteoarthritis.

Why this topic matters

One of the most common causes of persistent knee pain is osteoarthritis of the knee. While knee replacement surgery can be very effective for some, it is not the right option for everyone. Many patients wish to delay surgery, avoid it altogether, or are simply not suitable candidates.

Fortunately, non-surgical treatments for knee osteoarthritis have advanced significantly. With careful assessment and the right choice of treatment, meaningful pain relief and improved function are often possible without surgery.

What is knee osteoarthritis?

Knee osteoarthritis is a long-term condition affecting the entire joint, not just the cartilage. Although often described as “wear and tear,” it involves several interacting processes.

• Thinning or loss of cartilage
• Changes in the underlying bone
• Inflammation of the joint lining (synovitis)
• Increased sensitivity of pain-carrying nerves around the knee

Importantly, pain does not always correlate perfectly with X-rays or scans. Some people with severe imaging changes cope reasonably well, while others with more modest changes experience significant pain and disability.

This is why knee pain is not purely a structural problem — and why non-surgical treatments can still be effective, even in advanced arthritis.

Is knee replacement the definitive solution?

Total knee replacement is an excellent operation for many patients and remains the definitive treatment for end-stage knee osteoarthritis. For the right person, at the right time, it can be life-changing.

However, it is also major surgery, associated with a prolonged recovery period, and linked with risks such as infection, stiffness, and blood clots.

Crucially: studies consistently show that around 10–20% of patients report persistent pain or dissatisfaction after knee replacement, even when surgery is technically successful.

Some patients also wish to avoid or delay surgery, and others are not suitable candidates due to medical conditions, obesity, or frailty. For these groups, non-surgical pain management becomes especially important.

Persistent pain after knee replacement – a forgotten group

Ongoing pain after knee replacement can be deeply distressing. Patients are often told that scans look normal and that there is “nothing more to be done.”

In many cases, the pain does not originate from the artificial joint itself. Instead, it may arise from sensory nerves around the knee (genicular nerves), scar tissue, or ongoing nerve sensitisation.

Recognising this allows for targeted pain treatments, even when surgery has already been performed.

Non-surgical treatment options for knee osteoarthritis

1) Steroid injections

Steroid injections can reduce inflammation within the knee joint and are often used for symptom flare-ups.

Advantages: rapid pain relief; simple outpatient procedure.

Limitations: temporary benefit (usually weeks to a few months); repeated injections are not ideal; less effective in advanced osteoarthritis.

2) Viscosupplementation (hyaluronic acid injections)

These injections aim to improve joint lubrication by supplementing natural synovial fluid.

Advantages: generally safe; may help mild to moderate arthritis.

Limitations: variable effectiveness; often limited duration of benefit; less reliable in severe osteoarthritis.

3) Arthrosamid® injection

Arthrosamid® is a newer non-surgical treatment for knee osteoarthritis. It is a permanent polyacrylamide hydrogel that integrates with the synovial lining of the joint.

By stabilising and supporting the joint lining, it can reduce pain, stiffness, and improve function.

Advantages: single injection; same-day procedure; long-lasting benefit (often measured in years); does not damage nerves or joint structures.

Limitations: not suitable for every knee; careful patient selection is essential; requires expertise in image-guided joint injections.

4) Genicular nerve blocks and radiofrequency ablation

Pain from knee osteoarthritis is transmitted by small sensory nerves known as genicular nerves. These nerves carry pain signals but do not control muscle strength or movement.

Genicular nerve blocks: used diagnostically to confirm whether knee pain is nerve-mediated; relief from a block helps predict response to further treatment.

Genicular nerve radiofrequency ablation: targets the genicular nerves to reduce pain for longer periods, without affecting knee stability or movement.

 

Genicular nerves are small sensory nerves around the knee that carry pain signals; radiofrequency targets pain signalling without affecting muscle strength.

Which treatment suits which patient?

There is no single “best” treatment for everyone. The most appropriate option depends on the dominant pain mechanism.

• Arthrosamid® may suit patients with native knee osteoarthritis where synovial inflammation plays a major role.
• Genicular nerve radiofrequency is often better suited for severe osteoarthritis, post-knee replacement pain, and patients not suitable for surgery.

Careful assessment is crucial. Choosing the right treatment is far more important than choosing the most commonly advertised one.

Comparison of non-surgical knee pain treatments

Note: Typical durations are averages; individual results vary.

Why experience matters

Chronic knee pain is rarely straightforward. Anatomy varies, previous surgery alters nerve pathways, and pain mechanisms differ between patients.

Successful outcomes depend on accurate diagnosis, understanding pain mechanisms, and technical expertise with ultrasound-guided injections and radiofrequency procedures.

Why see Dr Krishna at Pain Spa?

Dr Krishna has extensive experience managing complex chronic knee pain, including patients who wish to avoid surgery and those with persistent pain after knee replacement.

At Pain Spa, treatment is individualised, evidence-based, and focused on pain relief and function — helping patients regain confidence and quality of life.

In summary

Living with chronic knee pain does not mean choosing between suffering and major surgery. Even when knee replacement is not appropriate — or has already been performed — effective non-surgical options exist.

A specialist assessment can help identify the most appropriate treatment and avoid unnecessary procedures.