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The Journal of Bone and Joint Surgery 82:1195 (2000)
© 2000 The Journal of Bone and Joint Surgery, Inc.

Letters to The Editor

Aseptic Loosening of an Uncemented Acetabular Cup

G. Devarajan, M.S.(Ortho), A. Gregori, F.R.C.S., M. B. Petersen, M.D., I. H. Poulsen, M.D., J. Thomsen, M.D. and S. Solgaard, Dr.Med.Sci.

Corresponding author: A. Gregori, F.R.C.S. Hairmyres Hospital East Kilbride G75 8RG, United Kingdom
Corresponding author: M. B. Petersen, M.D. Department of Orthopaedic Surgery Hillerød Hospital, DK-3400 Hillerød, Denmark

To The Editor:

We enjoyed the article on "The Hemispherical Harris-Galante Acetabular Cup, Inserted without Cement. The Results of an Eight to Eleven-Year Follow-up of One Hundred and Sixty-Eight Hips (81-A: 219-224, Feb. 1999), by Petersen et al. We wondered, however, whether the conclusion of an aseptic loosening rate of 1 percent (four of 324 hips) is valid as the study group included only 168 hips. The remaining hips were not subjected to the same degree of critical analysis as the study group, although the medical records indicated that they had had no technical problems or revisions. However, in the study group itself, one hip with aseptic loosening on radiographic evaluation, which was considered to have failed, had good clinical function and hence was not revised. This proves the point that the final evaluation can be restricted only to the study . . . [Full Text of this Article]


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