
Arthroplasty
Using the transverse acetabular ligament as a guide in THA improves component alignment
This report has been verified
by one or more authors of the
original publication.
Bone Joint J. 2014 Mar;96-B(3):312-8. doi: 10.1302/0301-620X.96B3.32989.
80 patients undergoing total hip arthroplasty (THA) were randomized to have the acetabular component implanted either using the transverse acetabular ligament (TAL) as a guide or using a conventional freehand technique. The purpose of this study was to compare these two approaches with respect to the anteversion and inclination of the acetabular component. Results indicated that the TAL group had a more accurate mean anteversion when compared to the freehand technique; however this practice did not influence the inclination. Overall, the number of implants outside of the “safe zone” (5-25 degrees of anteversion and 30-50 degrees of inclination) was significantly lower in the TAL group.
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