The influence of femoral offset on health-related quality of life after total hip replacement
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The influence of femoral offset on health-related quality of life after total hip replacement. / Liebs, T R; Nasser, L; Herzberg, W; Ruether, Wolfgang; Hassenpflug, J.
in: BONE JOINT J, Jahrgang 96-B, Nr. 1, 01.01.2014, S. 36-42.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - The influence of femoral offset on health-related quality of life after total hip replacement
AU - Liebs, T R
AU - Nasser, L
AU - Herzberg, W
AU - Ruether, Wolfgang
AU - Hassenpflug, J
PY - 2014/1/1
Y1 - 2014/1/1
N2 - Several factors have been implicated in unsatisfactory results after total hip replacement (THR). We examined whether femoral offset, as measured on digitised post-operative radiographs, was associated with pain after THR. The routine post-operative radiographs of 362 patients (230 women and 132 men, mean age 70.0 years (35.2 to 90.5)) who received primary unilateral THRs of varying designs were measured after calibration. The femoral offset was calculated using the known dimensions of the implants to control for femoral rotation. Femoral offset was categorised into three groups: normal offset (within 5 mm of the height-adjusted femoral offset), low offset and high offset. We determined the associations to the absolute final score and the improvement in the mean Western Ontario and McMaster Universities osteoarthritis index (WOMAC) pain subscale scores at three, six, 12 and 24 months, adjusting for confounding variables. The amount of femoral offset was associated with the mean WOMAC pain subscale score at all points of follow-up, with the low-offset group reporting less WOMAC pain than the normal or high-offset groups (six months: 7.01 (sd 11.69) vs 12.26 (sd 15.10) vs 13.10 (sd 16.20), p = 0.006; 12 months: 6.55 (sd 11.09) vs 9.73 (sd 13.76) vs 13.46 (sd 18.39), p = 0.010; 24 months: 5.84 (sd 10.23) vs 9.60 (sd 14.43) vs 13.12 (sd 17.43), p = 0.004). When adjusting for confounding variables, including age and gender, the greatest improvement was seen in the low-offset group, with the normal-offset group demonstrating more improvement than the high-offset group.
AB - Several factors have been implicated in unsatisfactory results after total hip replacement (THR). We examined whether femoral offset, as measured on digitised post-operative radiographs, was associated with pain after THR. The routine post-operative radiographs of 362 patients (230 women and 132 men, mean age 70.0 years (35.2 to 90.5)) who received primary unilateral THRs of varying designs were measured after calibration. The femoral offset was calculated using the known dimensions of the implants to control for femoral rotation. Femoral offset was categorised into three groups: normal offset (within 5 mm of the height-adjusted femoral offset), low offset and high offset. We determined the associations to the absolute final score and the improvement in the mean Western Ontario and McMaster Universities osteoarthritis index (WOMAC) pain subscale scores at three, six, 12 and 24 months, adjusting for confounding variables. The amount of femoral offset was associated with the mean WOMAC pain subscale score at all points of follow-up, with the low-offset group reporting less WOMAC pain than the normal or high-offset groups (six months: 7.01 (sd 11.69) vs 12.26 (sd 15.10) vs 13.10 (sd 16.20), p = 0.006; 12 months: 6.55 (sd 11.09) vs 9.73 (sd 13.76) vs 13.46 (sd 18.39), p = 0.010; 24 months: 5.84 (sd 10.23) vs 9.60 (sd 14.43) vs 13.12 (sd 17.43), p = 0.004). When adjusting for confounding variables, including age and gender, the greatest improvement was seen in the low-offset group, with the normal-offset group demonstrating more improvement than the high-offset group.
KW - Aged
KW - Aged, 80 and over
KW - Arthroplasty, Replacement, Hip
KW - Female
KW - Femur Head
KW - Hip Joint
KW - Hip Prosthesis
KW - Humans
KW - Male
KW - Middle Aged
KW - Observer Variation
KW - Osteoarthritis, Hip
KW - Pain Measurement
KW - Prosthesis Design
KW - Quality of Life
KW - Treatment Outcome
U2 - 10.1302/0301-620X.96B1.31530
DO - 10.1302/0301-620X.96B1.31530
M3 - SCORING: Journal article
C2 - 24395308
VL - 96-B
SP - 36
EP - 42
JO - BONE JOINT J
JF - BONE JOINT J
SN - 2049-4394
IS - 1
ER -