Destruction of acetabular bone caused by early failure of a constrained acetabular component

Use of a constrained acetabular component is 1 option for the treatment of dislocation after total hip arthroplasty. We report a case of a constrained acetabular component that resulted in postoperative early fixation loss and required revision 12 days after primary surgery. The superoposterior wall...

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Bibliographic Details
Published inThe Journal of arthroplasty Vol. 16; no. 7; pp. 938 - 941
Main Authors Ito, Hiroshi, Minami, Akio, Kondo, Eiji, Fujita, Masaki, Ubayama, Yuji, Matsuno, Takeo
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.10.2001
Subjects
Acetabulum - diagnostic imaging
Acetabulum - pathology
Arthroplasty, Replacement, Hip - methods
constrained acetabular component
dislocation
Hip Prosthesis - adverse effects
Humans
Male
Middle Aged
Prosthesis Failure
Radiography
Reoperation
total hip arthroplasty
total hip arthroplasty
dislocation
constrained acetabular component
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Summary:Use of a constrained acetabular component is 1 option for the treatment of dislocation after total hip arthroplasty. We report a case of a constrained acetabular component that resulted in postoperative early fixation loss and required revision 12 days after primary surgery. The superoposterior wall of the acetabulum was destroyed by the migrated acetabular component. Sharp ends of screws with a metal shell may have plowed up acetabular bone gradually after fixation loss of the component. This failure illustrates the potential risk of using a constrained acetabular component for total hip arthroplasty.
Bibliography:ObjectType-Case Study-2
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ISSN:0883-5403
1532-8406
DOI:10.1054/arth.2001.26595