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Latest from the World Congress on Osteoarthritis

New reports about the biology of OA appear so fast it's hard to keep up, said a speaker at the Osteoarthritis Research Society International meeting, held April 30-May 3 in Seattle.

Read on-the-spot coverage about the best biomarkers of progression, the latest on hyaluronic acid injections, how to exercise a "bad knee," and more ....



Ultrasound and fluorescence optical imaging can detect inflammation in hand joints of rheumatoid arthritis and osteoarthritis patients.


A new study finds that low doses of fish oil improved pain and function in knee osteoarthritis more effectively than high doses. No clinical or structural advantage to an anti-inflammatory dose was found.

Combo therapy alleviates osteoarthritis knee pain enough to resume disease modifying exercise therapy.

Up to one-third of people with active ankylosing spondylitis (AS) have some degree of bone loss due to systemic inflammation and decreased mobility, but lowering inflammation with tumor necrosis factor blockers may improve bone density.

Placebo word cloud

A review and meta-analysis of 149 randomized clinical trials of adults with knee osteoarthritis, shows that some placebos can trigger clinically relevant responses.

©Puwadol Jaturawutthichai/shutterstock.com

NEJM weighs weak evidence of benefit against small risk of viscosupplementation for osteoarthritic knees and recommends against it.


This systemic review and meta-analysis found no significant benefit to arthroscopic knee surgery. An editorialist asks, “In light of this evidence, why is arthroscopy still so common?”


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