Results after more than Three Years of Revision Surgery Using Cementless Total Hip Arthroplasty.

概要

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The clinical results of cementless revisions of Jikei cementless total hip arthroplasties were evaluated more than 3 years retrospectively.The revisions had become necessary due to loosening in 5 cases, dislocation in 3, and stem fracture in 2. The average JOA hip rating scores after surgery increased from only 51.1 to 65.1, an increment which is not satisfactory. The average postoperative score for the loosening cases was especially poor : 53.8. Such patients suffer large bone loss, while, on the other hand, the average score of those with good bone stock was 76.4. These results suggest that revision surgery requires good bone stock and should be performed before there is a decrease in it.
日本関節病学会の論文