Patients with hip osteoarthritis who were indicated for total hip arthroplasty were prospectively enrolled and randomized to receive either a short (metaphyseal) stem or a conventional (metadiaphyseal) stem hip arthroplasty. Three-dimensional gait analysis was performed regularly (preoperatively and at multiple postoperative time points) to determine whether conservative implants result in superior objective and patient-reported outcomes
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
20
Conservative (metaphyseal) stem Total Hip Arthroplasty
Conventional (metadiaphyseal) stem Total Hip Arthroplasty
Masaryk Hospital
Ústí nad Labem, Ústí nad Labem Region, Czechia
3D Gait analysis - Gait Profile Score
The Gait Profile Score (GPS) is a numerical index (range 0-10, the lesser the number, the better for the patient). The GPS comprises of the kinematic parameteres that are also called the Gait Variable Scores (hip flexion, rotation and abduction) and the spatiotemporal parameters (step time, step length and step cadence). All of these parameters are also mentioned ad separate outcome measures. The extraction of GPS from the 2 basic data groups was done automaticaly through specialised software which is based on the work of Baker et al. (Baker R, McGinley JL, Schwartz MH, et al. The gait profile score and movement analysis profile. Gait Posture. 2009;30(3):265-269. doi:10.1016/j.gaitpost.2009.05.020).
Time frame: from preoperative to 1 year postoperative
The Modified Harris Hip Score
Total range of the questionnaire is 0-100 points, more points=better patient reported outcome. 90-100 points = excellent result; 80-89 = good result; 70-79 = fair result; \< 70 points = poor result.
Time frame: from preoperative to 1 year postoperative
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