Influence of Patient-, Design-, and Surgery-Related Factors on Rate of Dislocation After Primary Cementless Total Hip Arthroplasty

Abstract We performed clinical, radiographic, and computed tomography examinations on a consecutive series of 1268 patients (1648 hips) to determine the prevalence of and factors contributing to dislocation after using a primary cementless total hip system. The prevalence of posterior dislocation wa...

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Bibliographic Details
Published in:The Journal of arthroplasty 2009-12, Vol.24 (8), p.1258-1263
Main Authors: Kim, Young-Hoo, MD, Choi, Yoowang, MD, Kim, Jun-Shik, MD
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Arthroplasty, Replacement, Hip - adverse effects
design factor
dislocation
Female
Hip Joint
Hip Prosthesis - adverse effects
Humans
Joint Diseases - surgery
Joint Dislocations - epidemiology
Joint Dislocations - etiology
Male
Middle Aged
Orthopedics
patient factor
Prevalence
Prosthesis Design
Prosthesis Failure
Risk Factors
surgical factor
total hip arthroplasty
Young Adult
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Summary:Abstract We performed clinical, radiographic, and computed tomography examinations on a consecutive series of 1268 patients (1648 hips) to determine the prevalence of and factors contributing to dislocation after using a primary cementless total hip system. The prevalence of posterior dislocation was 3.6% (60 hips). Significant risk factors (Fisher exact test or χ2 test, P < .05) were female sex, advanced age, high American Society of Anesthesiologists score (3 or 4), fracture of the femoral neck, nonrepair of the posterior soft-tissue sleeve, low or high cup anteversion, low or high stem anteversion, and low height of hip rotation center.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2009.03.017