Authors
- Hamid Reza Seyyed Hosseinzadeh, MD
- Ali Akbar Esmaieliejah MD
- Seyyed Reza Aghapoor, MD
- Reza Zandi, MD
- Mohmmad Reza Bigdeli, MD
- Ali Aidenlo, MD
- Jaafar Tavakolian, MD
- Ali Akbar Esmaieliejah MD
- Seyyed Morteza Kazemi, MD
Abstract
Background: Dislocation of total hip arthroplasty may happen for different reasons. Abnormal acetabular orientation is a common reason for such occurance. We would like to report the effect of acetabular inclination on incidence of dislocation.Methods: In a cross-sectional study all cases of total hip arthroplasty performed in a 2-yaer interval in one educational hospital in Tehran, were followed and assessed for possible dislocation in a 18.1 months (3-25 months) of follow-up. The inclination angles of acetabular components were measured, and the relationship of dislocation with gender, age and this angle was evaluated.Results: 132 cases entered the study. 4 patients (3%) encountered dislocation and all 4 had inclination angles of over 50 degrees. Gerder did not seem to play an important role. Older age, however, was probably contributing to risk of dislocation.Conclusion: Inclination angle of over 50 degree in acetabular component position is one of the factors making it more likely for the hip arthroplasty to dislocate.
Keywords
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