Viscosupplementation is frequently used for local treatment of osteoarthritis (OA), due to ease of use and good tolerance.
Hyaluronic acid is a key component of the joint fluid produced naturally by the B cells of the synovial membrane. It gives the joint fluid its viscous, slippery quality enabling reduced joint friction and weight-bearing activity. Osteoarthritis affects joints leading to lower concentration of hyaluronic acid in their joint fluid than normal healthy joints, and therefore less protection against joint friction and impact accelerating the joint degeneration process. In this technique, Exogenous hyaluronic acid is injected into diarthrodial joints, restoring the rheological properties of the synovial fluid, thereby producing mechanical, analgesic, anti-inflammatory and chondroprotective effects. In early stage of OA, where all the nonsurgical treatments methods (like Painkillers, Corticosteroid injections, weight loss, physical therapy) are ineffective and the patients opts to postpone the surgery, then Viscosupplementation may be an option.
Viscosupplementation is an in-office procedure that usually takes less than 5 minutes.
Viscosupplementation consisting the intra-articular injection of hyaluronic acid derivatives, is one of the main treatment for OA (initial stages) that recovers the rheological properties of the synovial fluid, achieve analgesia, improve function and regenerate the joint cartilage articular. Some patients report pain relieving effects for several months following the injections.If the injections are effective they may be repeated after a period of time, usually 6 months.
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