Investigations show new link between trauma and arthritis

By Kathleen Louden

OREF-funded study indicates different processes are at work

Posttraumatic arthritis (PTA) can develop after acute joint injury, a meniscal or ligament tear, or an intra-articular fracture, even with optimal treatment. Despite its frequency—an estimated 10 per­cent to 15 percent of patients diagnosed as having osteoarthritis actually have PTA—this painful condition has not attracted much attention from researchers.

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