Periacetabular Osteolysis is the Problem in Contemporary Total Hip Arthroplasty in Young Patients
Section snippets
Patients and Methods
We retrospectively reviewed the records of prospectively followed 2501 patients (2701 hips) who underwent primary THAs between January 1993 and February 2000. All operations were performed by one surgeon (YHK). Of 2501 patients, 1212 patients (1298 hips) had cemented femoral components and 1289 patients (1403 hips) had cementless femoral components. For this review, we excluded 1471 patients older than 50 years. With these exclusions, there were 1030 patients. Among the 503 patients with
Results
Harris hip score, incidence of thigh pain, WOMAC score, and UCLA activity score were improved substantially after cemented and cementless THAs. We found similar mean preoperative Harris hip score (44.5 vs 43 points, P = .69) and postoperative Harris hip scores (93.6 points vs 94.7 points, P = .78) in both groups. The prevalence of transitory pain in the thigh was 1.5% (7 of 474 patients) in the cemented group until 6 months after the operation and 11.3% (57 of 504 patients) in the cementless
Discussion
There is comparatively little information on cohorts of patients younger than 50 years with contemporary cemented and cementless THA 8, 22, although this young patient group has the largest growth projections in the future [23]. Our study documented gratifying results of femoral component with and without cement in patients younger than 50 years. Furthermore, we found no difference in the functional scores associated with the cemented and cementless implants in these young patients. We believe
Acknowledgment
The authors thank Sang-Mi Lee for her compiling medical records.
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The Conflict of Interest statement associated with this article ca be found at doi:10.1016/j.arth.2011.03.022.