This is a prospective, randomized study of total hip arthroplasty with and without the use of Radlink surgical positioning software. The investigators are interested in discovering whether the use of the Radlink software will provide more accurate acetabular cup position when compared with surgeon estimates based on visual inspection of fluoroscopic images.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
200
Radiographic cup abduction angle
Angle of acetabular component in coronal plane measured on x-ray
Time frame: 4 month postoperative
Radiographic cup anteversion angle
Angle of acetabular component in sagittal plane measured on x-ray
Time frame: 4 month postoperative
Variance of cup angles measured on x-ray
Statistical homogeneity of angles and how spread out the data is.
Time frame: 4 month postoperative
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