A study out last month on total knee replacement satisfaction and outcome looked at a number of different factors to determine which patients fared the best and were the most satisfied after this surgery. Out of 299 patients who had their knee’s replaced, 9.8% had a knee replacement complication (and by definition likely weren’t satisfied-see previous blog post). Interestingly, the factors associated with the most satisfied patients and best outcomes from total knee replacement were no complications (makes sense), being overweight, severe arthritis on x-ray, being over 70 years old, and not being depressed. If we explore the being overweight and age greater than 70 groups, my opinion would be the most satisfied patients were the ones who didn’t expect to operate at high levels of physical function after their knee replacement, which is what these two groups have in common (more obesity equals less activity, as does age over 70). When we see patients who aren’t satisfied with knee replacement, it’s usually patients who expected that they would return to being very active after their surgery. Another way to interpret this information would be that heavier patients have more pain from arthritis as they place more force on a painful joint and thus see more pain relief after total knee replacement compared to normal weight patients. In summary, those patients who were the most satisfied with their new metal knee where those who were older, heavier, not depressed, and who weren’t unlucky enough to be one of the 1 in 10 patients who had a serious complication.
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About the Author
Christopher J. Centeno, M.D. is an international expert and specialist in regenerative medicine and the clinical use of mesenchymal stem cells in orthopedics. He is board certified in physical medicine as well as rehabilitation and in pain management through The American Board of Physical Medicine and Rehabilitation.…