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THA implant trends favor cementless fixation, metal- or ceramic-on-polyethylene bearings, more

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From 2001 to 2012, total hip arthroplasty implant usage trends favored cementless fixation, metal-on-polyethylene or ceramic-on-polyethylene bearings, modular acetabular cups and large diameter femoral heads, according to study results.

“There are specific trends in evolution in the utilization of total hip arthroplasty implants,” Kevin J. Bozic, MD, MBA, told Orthopedics Today. “It is important for clinicians and physicians to understand those trends and how they impact clinical practice and clinical outcomes for our patients.”

Bozic and colleagues analyzed 105,291 total hip arthroplasty (THA) procedures to evaluate trends in implant utilization across 174 hospitals throughout the United States using the Orthopedic Research Network. The investigators found an increase in cementless THA constructs from 46% in 2001 to 93% in 2012, with cementless stems used 94% of the time and cemented stems used 5.8% of the time. There was a decrease in the use of metal-on-highly cross-linked polyethylene bearings for primary THA from 63% in 2011 to 59% in 2012, as well as a decrease in ceramic-on-ceramic bearings from 11% in 2004 to 1% in 2012.

Click here to read the story in the February issue of Orthopedics Today.