Restoring femoral offset is the most important technical factor in preventing total hip arthroplasty dislocation.
case_control · Level III
Where this comes from
- Record sourced from PubMed, PMID 29657456.
- Also identified by DOI 10.1016/j.jor.2018.01.026 and PMC identifier 5895885.
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Abstract
Our aim was to determine if acetabular component position, femoral offset restoration, or leg-length equality is most important for total hip arthroplasty (THA) stability. A matched case (n = 67)-control (n = 247) design and conditional logistic regression model were used to examine risk factors for dislocation in primary THA. When femoral offset was at least 3 mm greater than that of the contralateral hip, risk of dislocation was lower (p = 0.0192). Neither leg-length difference nor acetabular component abduction or version angle was associated with dislocation. Our data suggest restoring femoral offset is the most important technical factor in preventing THA dislocation.
Anatomy
- femur
- hip