Related Experiment Videos
Viscosupplementation for the arthritic ankle.
Jason H Pleimann1, W Hodges Davis, Bruce E Cohen
1Ozark Orthopaedic and Sports Medicine Clinic, 3317 N. Wimberly, Fayetteville, AR 72703, USA. jkhp@prodigy.net
Foot and Ankle Clinics
|January 7, 2003
Summary
Hyaluronic acid (HA) injections, or viscosupplementation, safely treat knee osteoarthritis by restoring joint fluid properties. Additional benefits include anti-inflammatory and pain-relieving effects, with promising early results for ankle OA.
Area of Science:
- Orthopedics
- Rheumatology
- Biochemistry
Background:
- Synovial fluid's viscoelasticity, crucial for joint function, is primarily due to hyaluronic acid (HA).
- Osteoarthritis (OA) is characterized by reduced HA concentration and molecular weight in synovial fluid.
- Intra-articular HA injections (viscosupplementation) are a recognized treatment for knee OA.
Purpose of the Study:
- To review the efficacy and mechanisms of action of hyaluronic acid (HA) viscosupplementation in osteoarthritis (OA).
- To explore the potential of viscosupplementation for OA of the ankle.
Main Methods:
- Review of existing literature on hyaluronic acid (HA) treatments for osteoarthritis (OA).
- Analysis of proposed mechanisms of action beyond viscoelastic restoration.
Main Results:
- Viscosupplementation is safe and effective for knee OA, offering benefits beyond temporary viscoelastic improvement.
- Potential mechanisms include anti-inflammatory, anabolic, analgesic, chondroprotective, and anticatabolic effects.
- Anecdotal evidence suggests efficacy in ankle OA, warranting further controlled studies.
Conclusions:
- Hyaluronic acid (HA) viscosupplementation is a safe and effective treatment for knee osteoarthritis.
- Multiple mechanisms contribute to HA's therapeutic effects in OA.
- Further research, including long-term and ankle OA studies, is needed to fully define its role and cost-effectiveness.