Hip revision using the Exeter stem, impacted morselized allograft bone and cement: a consecutive 5-year radiostereometric and radiographic study in 15 hips.
Ewald Ornstein, Herbert Franzén, Ragnar Johnsson, Magnus K Karlsson, Lars Linder, Martin Sundberg
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引用次数: 29
Abstract
Background: Impaction grafting in hip revision surgery is widely used but studies with mid- and long-term follow-up are scarce.
Patients, methods and results: A 5-year radiostereometric (RSA) follow-up of 15 hip revisions with the Exeter stem, morselized impacted allograft bone and cement revealed that 3 stems had not migrated between 2 and 5 years after revision, 11 stems had migrated to a minor degree in at least 1 direction, and 1 stem was loose according to RSA but without any radiographic signs of loosening or pain. The pain score was comparable to primary arthroplasties.
Interpretation: From a 5-year perspective, first-time hip revisions for aseptic loosening with impacted morselized allograft bone and cement appear to yield good clinical results, although stem migration continues to a minor degree 2 years after revision.
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