EFORT Annual Congress
EFORT Annual Congress
Issue: November 2020
Source/Disclosures
Source:

Varnum C, et al. Paper 2552. Presented at: Virtual EFORT Congress; Oct. 28-30, 2020.

Disclosures: Varnum reports no relevant financial disclosures.
November 17, 2020
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Ceramic-on-polyethylene showed higher revision rate vs metal-on-polyethylene THA implants

Issue: November 2020
Source/Disclosures
Source:

Varnum C, et al. Paper 2552. Presented at: Virtual EFORT Congress; Oct. 28-30, 2020.

Disclosures: Varnum reports no relevant financial disclosures.
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Patients who underwent total hip arthroplasty with ceramic-on-polyethylene implants had a higher risk of revision compared with those who had metal-on-polyethylene implants, according to results presented at the Virtual EFORT Congress.

Claus Varnum, MD, PhD, and colleagues assessed implant survival and estimated the adjusted relative risk of revision among 310,000 patients who underwent primary THA between January 1995 and December 2015. Researchers separately analyzed ceramic-on-conventional polyethylene vs. metal-on-conventional polyethylene and ceramic-on-crosslinked polyethylene vs. metal-on-crosslinked polyethylene due to differences in follow-up.

In his presentation, which received the Bronze Award for Orthopedics, Varnum noted patients with ceramic-on-conventional polyethylene had a significant higher adjusted risk for any revision compared with patients with metal-on-conventional polyethylene.

Claus Varnum
Claus Varnum

“There was no difference in risk of revision due to aseptic loosening between the two bearing groups,” Varnum said.

He added no differences in relative risk for any revision or in risk of revision due to aseptic loosening between the ceramic- and metal-on-crosslinked polyethylene groups.

“In perspective, we found no good indication for the continuous use of ceramic-on-crosslinked polyethylene,” Varnum said.