Cementless Roy-Camille femoral component

C. H. Chen, C. H. Shih*, C. C. Lin, C. K. Cheng

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

3 Scopus citations


From 1984 to 1987, a complete, single-layered, porous-coated femoral component (Roy-Camille type) was used for primary cementless total hip replacement in 80 patients. Seventy-two patients (77 hips) with a minimal follow-up of 5 years (mean 7.2 years) were assessed clinically and radiographically. Thigh pain occurred in 4 hips. Osteolysis appeared in 5 hips. Cortical thinning around the femoral component was significant at the proximal and middle levels. In total, 6 femoral components failed, which led to reoperation due to aseptic loosening (4 hips) and septic loosening (2 hips). The hip rating score (modified d'Aubigne and Postel rating system) in the surviving hips progressed from 9.0 (range 6-10) preoperatively to 16.3 (range 12-18) points at the latest follow-up. From this study, we found that the complete, single-layered, porous-coated stem had a low loosening rate after 5 years. Bone ingrowth into the porous coating was found in most of the cases. A lower stress shielding effect in comparison with the complete, multi-layered, porous-coated prosthesis was also noted.

Original languageEnglish
Pages (from-to)85-88
Number of pages4
JournalArchives of Orthopaedic and Trauma Surgery
Issue number1-2
StatePublished - 1998
Externally publishedYes


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