Questions Growing on Knee-Replacement Surgery Outcomes

Knee replacement is an increasingly common surgery for treatment of osteoarthritis, but recent research is raising questions about the procedure’s effectiveness in relieving pain and improving function. “Most patients have a very good clinical outcome after knee replacement, but multiple studies have reported that 20% or more of patients do not,” Professor Andrew Price with the Nuffield Orthopaedic Centre in Oxford, England, wrote in a November review article in medical journal The Lancet. Researchers from the University of Bristol, England, analyzed past clinical studies o...