Small design modifications can improve the primary stability of a fully coated tapered wedge hip stem
Katja Glismann,
Tobias Konow,
Frank Lampe
et al.
Abstract:Increasing the stem size during surgery is associated with a higher incidence of intraoperative periprosthetic fractures in cementless total hip arthroplasty with fully coated tapered wedge stems, especially in femurs of Dorr type A. If in contrast a stem is implanted and sufficient primary stability is not achieved, such preventing successful osseointegration due to increased micromotions, it may also fail, especially if the stem is undersized. Stem loosening or periprosthetic fractures due to stem subsidence… Show more
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