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- Title
Middle-term outcome and complications after primary total hip arthroplasty using a contemporary titanium tapered wedge cementless femoral stem.
- Authors
Yuto Sugimine; Shunji Nakano; Hitoshi Goto; Ryosuke Sato; Tetsuya Enishi; Tomohiro Goto; Koichi Sairyo
- Abstract
The purpose of this study is to evaluate the results and intraoperative or postoperative complications of primary total hip arthroplasty (THA) using a contemporary tapered wedge titanium femoral component. A total of 213 THAs in 187 patients were followed up more than 5 years (mean, 102 months; range, 60-150). The mean age at surgery was 64.2 years (range, 20-89 years). These patients were clinically evaluated using the JOA scoring system and radiographically host bone reactions around the implants, as well as femoral loosening. The mean JOA score improved from 49 (range, 21-75) to 92 (range, 59-100). All 12 patients with poor results (JOA < 75) coexisted with cerebral, spinal, joint, and musculoskeletal disorders. At the final follow-up, implant survival was 100%. Complications occurred in 23 hips. They consisted of 12 hips with intra-operative fractures, 2 hips with sciatic nerve palsy, one hip with infections, 3 hips with recurrent dislocations, and 8 hips with aseptic cup loosening. In conclusion, we have shown excellent survival rate of the contemporary tapered wedge stem in primary THA; however, patients with coexisting diseases could not acquire sufficient improvement in hip function and ambulatory ability.
- Subjects
TOTAL hip replacement; SURGICAL complications; MUSCULOSKELETAL system diseases; SCIATIC nerve; CLINICAL trials
- Publication
Journal of Medical Investigation, 2023, Vol 70, Issue 3/4, p471
- ISSN
1343-1420
- Publication type
Article
- DOI
10.2152/jmi.70.471