Which Knee Implant Design Is Better?

OREF-funded study compares posterior cruciate ligament retaining and posterior-substituting designs

Catherine Rategan

Osteoarthritis (OA) is one of the most prevalent health conditions worldwide. It causes chronic pain, loss of mobility and loss of function among an estimated 27 million adults in the United States, and as the population ages, the number of people affected is expected to increase to almost 67 million adults by 2030. One of the most prevalent forms affects the knees; among those 55 and older, OA of the knee is three times more prevalent than hip OA.

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