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Would moving to ceramic heads be cost effective for total hip arthroplasty? 5 takeaways Featured

Written by  Eric Oliver | Tuesday, 03 January 2017 19:50
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A study published in The Journal of Bone & Joint Surgery compared the costs of ceramic-on-polyethylene implants against metal-on-polyethylene implants for patients undergoing total hip arthroplasty.

Researchers used Markov decision modeling to determine the two implants' cost-effectiveness and revision rates. They reviewed data from 20,389 patients who were 45-years-old or older in 2012 and underwent total hip arthroplasty.

 

Here's what they found.

 

1. Ceramic heads' cost effectiveness varied depending largely on the patients' age.

 

2. At a cost differential of $325, ceramic-on-polyethylene bearings were cost-effective for patients 85-years-old or higher.

 

3. At $600, the ceramic-on-polyethylene bearings were cost-effective in patients 65-years-old or higher.

 

4. At $1,003, the ceramic-on-polyethylene bearings were not cost effective for any age.

 

5. The researchers concluded, "The ability to recoup the initial increased expenditure of ceramic heads through a diminished lifetime revision cost is dependent on the price premium for ceramic and the age of the patient. A wholesale switch to ceramic bearings regardless of age or cost differential may result in an economic burden to the health system."

 

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