M.S (Orth) Gold Medallist, D-Orth, MBBS
Orthopaedic and Knee Surgeon 
Specialist in Knee Surgery (Joint Replacement & Arthroscopy) 
Viscosupplementation of the knee
» Local intra-articular supplementation :
Local intra-articular injections in the knee is suggested for patients who can't tolerate nonsteroidal anti-inflammatory drugs (NSAIDs). This treatment is helpful for patients with mild knee osteoarthritis who need a better knee function and for patients with advanced knee arthritis who hope to prolong the time before needing a total joint replacement.

Normal knee contains about 2 milliliters of synovial fluid and a hyaluronic acid concentration of 2.5 to 4.0 milligrams per milliliter. In patients with osteoarthritis there is reduction of hyaluronic acid concentration, thus making the synovial fluid less viscous and sticky. Hence the joint is now more susceptible to injury.
The different types of intra-articular injections are:
» Steroid- Depomedrol
» Hyaluronic Acid
» Synvisc

These provide temporary relief from pain for about 6 months to 1 year. Not more than 2 injections should be given to a patient.

Complications of intra-articular injections are:

» Superficial Infection
» Septic Arthritis
» Charcoats Arthritis

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