Patients who are dependent on opioids (narcotic pain relievers) for pain management before knee replacement surgery have much more difficulty recovering, a study recently published in the Journal of Bone and Joint Surgery (JBJS) has found. These patients tend to have longer hospital stays, more post-surgical pain, a higher rate of complications, and are more likely to need additional procedures, than patients who are not opioid-dependent. "We expected to find that the opioid-dependent patients have worse outcomes," says orthopaedic surgeon Michael A. Mont, M.D...

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