RESEARCH
The Use of Dual Mobility Implants in Primary Total Hip Arthroplasty .
Dual mobility implants, first introduced in 1974, aim to reduce dislocation in total hip arthroplasty (THA) by combining low-friction and high-range-of-motion designs. Though widely used in revision THA, recent literature explores their role in primary THA, particularly in high-risk groups such as those with femoral neck fractures or reduced spinopelvic mobility. Evidence suggests reduced dislocation risk and improved function, but most studies are observational or limited by short follow-up. Concerns remain over implant-specific risks like intraprosthetic dislocation and metal ion levels. While early results are promising in select patients, routine use in all primary THAs remains unsupported without stronger, long-term evidence.
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