Size of the femoral head and acetabular revision in total hip-replacement arthroplasty

B. F. Morrey, D. Ilstrup

Research output: Contribution to journalArticlepeer-review

66 Scopus citations


Fifty-nine revisions that were done for aseptic acetabular loosening after 6,128 total hip arthroplasties for degenerative arthritis or traumatic arthritis were studied. These revisions were in forty-four (approximately 1 per cent) of 4,576 hips that had a twenty-two-millimeter femoral-head component, in two of 520 that had a twenty-eight-millimeter femoral-head component, and in thirteen (approximately 2.5 per cent) of 487 that had a thirty-two-millimeter femoral component was associated with the highest rate of acetabular revision (p < 0.001). The dimensions of the acetabular wall were thinner in the hips that had the thirty-two-millimeter component than in those that had the twenty-two-millimeter component (p < 0.05). Multivariate analysis demonstrated a significantly increased risk of acetabular loosening in men and in patients who were less than sixty years old.

Original languageEnglish (US)
Pages (from-to)50-55
Number of pages6
JournalJournal of Bone and Joint Surgery - Series A
Issue number1
StatePublished - 1989
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine


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