Results of total hip arthroplasty for Crowe Type III developmental hip dysplasia

Anthony A. Stans, Mark Pagnano, William J. Shaughnessy, Arlen D. Hanssen

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

From 1969 through 1980, 90 hips in 82 patients had cemented total hip arthroplasty for Type III developmental hip dysplasia. Seventy hips were reviewed at an average of 16.6 years (range, 5-23 years) after operation. Aseptic loosening developed in 53% of acetabular cups and 40% of femoral stems. Despite attempts to place acetabular components in the anatomic center, 18 cups (25.7%) were placed outside that area. Using a measurement method to determine the true acetabular region and approximate femoral head center, final acetabular loosening strongly correlated with initial cup placement. Loosening occurred in 15 of 18 cups (83.3%) initially positioned outside of the true acetabular region compared with loosening in 22 of 52 cups (42.3%) initially positioned within the true acetabular region. Acetabular loosening also correlated with initial lateral displacement or initial superior displacement of the hip center from the approximate femoral head center. Initial cup placement medial to the approximate femoral head center was predictive of successful long term acetabular component fixation. The method of acetabular reconstruction did not affect eventual cup loosening. Placement of the hip arthroplasty center of rotation in or near the true acetabular region is recommended.

Original languageEnglish (US)
Pages (from-to)149-157
Number of pages9
JournalClinical Orthopaedics and Related Research
Issue number348
StatePublished - Mar 1998

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Hip Dislocation
Thigh
Arthroplasty
Hip

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery

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Results of total hip arthroplasty for Crowe Type III developmental hip dysplasia. / Stans, Anthony A.; Pagnano, Mark; Shaughnessy, William J.; Hanssen, Arlen D.

In: Clinical Orthopaedics and Related Research, No. 348, 03.1998, p. 149-157.

Research output: Contribution to journalArticle

Stans, Anthony A. ; Pagnano, Mark ; Shaughnessy, William J. ; Hanssen, Arlen D. / Results of total hip arthroplasty for Crowe Type III developmental hip dysplasia. In: Clinical Orthopaedics and Related Research. 1998 ; No. 348. pp. 149-157.
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