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The Journal of Bone and Joint Surgery 82:291-3 (2000)
© 2000 The Journal of Bone and Joint Surgery, Inc.

Correspondence

Correspondence

Greg Stocks, M.D., Marvin E. Steinberg, M.D., Arturo Corces, M.D. and Michael Fallon, M.D.

TO THE EDITOR:

In "Acetabular Involvement in Osteonecrosis of the Femoral Head" (81-A: 60–65, Jan. 1999), Steinberg et al. discussed the difficult treatment decision that is faced when a patient has osteonecrosis with early collapse of the femoral head. The authors showed that the acetabular cartilage in such patients is both grossly and histologically abnormal. They pointed out that "there has been renewed interest in ... hemi-surface replacements ... [but] ... studies of greater numbers of patients and with longer follow-up are required." Although this statement is true, no studies regarding hemi-surface replacement were cited.

Several authors have reported on the clinical results of hemi-surface replacement performed for the treatment of osteonecrosis of the femoral head. In 1974, Kerboul et al.6 reported a successful result for 82 percent of sixty-five patients who were followed for one to six years after an adjusted cup arthroplasty, which is essentially a hemi-surface replacement. . . . [Full Text of this Article]


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