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Tuesday, September 3, 2013

Knee Replacement Surgery: New Health Economics Study Highlights Societal Benefits

Cost Savings are Good News as Aging Population Rapidly Increases
Demand for Relief from Chronic Knee Pain

The full impact of knee replacement surgery on both patients’ lives and on society includes significant overall cost savings, according to a new study published in the Journal of Bone and Joint Surgery
(JBJS). Researchers found that for the average patient undergoing knee replacement surgery, the expense of surgery is offset by indirect savings of nearly $40,000. This translates to an average lifetime societal benefit of $10,000-$30,000. Most of the societal savings come from the patient’s ability to maintain employment and increase earnings over a longer time in the workforce. The study also found benefits from fewer missed worked days and lower disability payments.

As an aging population stays in the workforce longer and obesity rates continue to climb, demand for total knee replacement surgery is expected to exceed 3 million by the year 2030 – up from 600,000 in 2009. Now with a new way of comparing direct and indirect costs between surgical and non-surgical treatments, patients suffering from end-stage osteoarthritis of the knee are able to get a quantitative look at the overall cost benefits of knee replacement surgery relative to the societal and economic savings.

“We know that when a knee replacement is done on patients at the appropriate time, it adds tremendous value to their lives. It gets them back to work and back to their families. It improves their quality of life and allows them to be productive and active again,” said John R. Tongue, MD, American Academy of Orthopaedic Surgeons(AAOS) past-president. “But until now, that value has been hard to quantify. This study allows patients to see the big picture of the effect on their daily lives and in the long term.”

Dr. Tongue adds, “Demographics of knee replacement patients have dramatically changed as baby boomers age. They want and need to stay active but their joints can’t always keep up. In this economic environment, this study provides a new way of looking at cost that offers perspective to this growing population.”

Total knee replacement (or total knee arthroplasty (TKA)) is one of the most successful and life-enhancing surgical procedures. It significantly relieves pain for 90 percent of the patients who have the procedure, allowing them to return to work and tremendously improving their quality of life.

The fullstudy is available at Video and audio pertaining to this news can also be found at

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