Can PRP Injections Really Help with My Chronic Knee Arthritis?

Medically Reviewed Reviewed by DR JOHN PRP
This article has been reviewed for medical accuracy by a licensed physician with experience in integrative health.

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Living with chronic knee arthritis can feel like a daily battle. The stiffness, swelling, and ongoing discomfort can make even the simplest activities frustrating. As interest grows in regenerative medicine Australia-wide, many patients are turning to innovative, non-surgical options for relief. One of the most promising treatments is platelet rich plasma, commonly known as PRP therapy. But the question remains—can PRP injections really help with chronic knee arthritis?

What Is PRP Therapy?

PRP therapy is a form of regenerative medicine that uses the healing properties found in your own blood to support tissue repair. A small blood sample is taken and spun in a centrifuge to separate the platelet-rich plasma, which is then injected into the affected area—in this case, your knee joint. This natural concentrate of platelets contains growth factors that may encourage healing and reduce inflammation in damaged tissues.

How PRP Works for Knee Arthritis

Knee arthritis, particularly osteoarthritis, is caused by the gradual breakdown of cartilage within the joint. This can lead to joint space narrowing, pain, stiffness, and reduced mobility. PRP injections target the inflammatory processes and aim to enhance the body’s own healing response within the joint. Unlike a cortisone injection, which primarily aims to reduce inflammation, PRP is thought to stimulate tissue repair and regeneration.

What Does the Research Say?

While research into PRP for knee pain and arthritis is ongoing, several studies suggest that PRP therapy may provide relief for mild to moderate osteoarthritis. A number of clinical trials have found that PRP injections result in improved function and reduced pain compared to placebo or traditional treatments. It’s important to note, however, that results vary from patient to patient, and PRP is not a guaranteed solution.

What to Expect During the Procedure

The PRP injection process is typically completed in under an hour. After your consultation, your blood will be drawn and processed on-site. Once prepared, the platelet-rich plasma is carefully injected into the knee joint under sterile conditions. The procedure is done in an outpatient setting, and most patients return home shortly after.

Is PRP Right for Me?

PRP therapy may be suitable for patients with early to moderate stages of knee osteoarthritis who are seeking a natural, low-risk treatment option. It can also benefit those looking to delay or avoid surgery. However, PRP might not be the best fit for everyone. A proper assessment with a trained PRP doctor is essential to determine your suitability.

Expert Tip

When considering PRP for joint pain, always look for a provider who takes a personalised approach to care and uses ultrasound guidance for precision during the injection.

Key Takeaways

  • PRP injections use your own blood components to promote healing in the knee joint
  • PRP therapy may support relief from chronic knee arthritis, especially in early to moderate stages
  • The treatment is minimally invasive, typically low-risk, and performed in a clinical setting
  • Research suggests PRP may offer better long-term relief than traditional cortisone injections for some patients

References

  • Bennell KL, et al. (2021). Platelet-Rich Plasma for the Management of Hip and Knee Osteoarthritis: A Narrative Review. Clin J Sport Med.
  • Campbell KA, et al. (2015). Platelet-Rich Plasma in the Treatment of Chronic Knee Pain: A Review. Am J Sports Med.
  • Regenerative Medicine in Australia: Trends and Future Applications. Australian Orthopaedic Association.
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