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Researchers find no evidence to support cementless fixation in THA
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In this systematic review of 45 studies reporting the long-term outcomes for cementless acetabular components, researchers concluded that the fixation type does not influence survivorship or revision rates for total hip arthroplasty at minimum 10-year follow-up.
“The preference for cementless acetabular components on the basis of improved survivorship is not supported by the published evidence,” Nader Toossi, MD, and colleagues wrote in the study abstract. “Although concerns regarding aseptic loosening of cemented acetabular components may have led North American surgeons toward the nearly exclusive use of cementless acetabular components, the available literature suggests that the fixation of cemented acetabular components is more reliable than that of cementless components beyond the first postoperative decade.”
Toossi and colleagues stated that the evidence of survivorship up to 20 years or greater is needed to see whether one fixation method prevails over another, and to see what alternative bearing surfaces survive at this late follow-up time.
Disclosure: The authors have no relevant financial disclosures.
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