2015
DOI: 10.3109/17453674.2015.1091955
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Association between changes in global femoral offset after total hip arthroplasty and function, quality of life, and abductor muscle strength

Abstract: Background and purposeThere is no consensus on the association between global femoral offset (FO) and outcome after total hip arthroplasty (THA). We assessed the association between FO and patients’ reported hip function, quality of life, and abductor muscle strength.Patients and methodsWe included 250 patients with unilateral hip osteoarthritis who underwent a THA. Before the operation, the patient’s reported hip function was evaluated with the Western Ontario and McMaster Universities Osteoarthritis (WOMAC) … Show more

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Cited by 159 publications
(151 citation statements)
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“…So there seems to be a tolerance interval for the reconstruction of femoral offset, acetabular offset, and leg length within these 5 mm at least. This is in accordance with two previous studies, which showed, that a reduced global femoral offset less than 5 mm, lead to an aggravation in the functional outcome, especially of the abductor muscle strength and that a leg length and offset difference over 5 mm was associated with altered gait kinematics 14,15 . Interestingly, our results show that the discrepancy of one single biomechanical parameter such as leg length, femoral or acetabular offset was not different between patients with and without trochanteric symptoms.…”
Section: Discussionsupporting
confidence: 93%
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“…So there seems to be a tolerance interval for the reconstruction of femoral offset, acetabular offset, and leg length within these 5 mm at least. This is in accordance with two previous studies, which showed, that a reduced global femoral offset less than 5 mm, lead to an aggravation in the functional outcome, especially of the abductor muscle strength and that a leg length and offset difference over 5 mm was associated with altered gait kinematics 14,15 . Interestingly, our results show that the discrepancy of one single biomechanical parameter such as leg length, femoral or acetabular offset was not different between patients with and without trochanteric symptoms.…”
Section: Discussionsupporting
confidence: 93%
“…Although this complication can successfully treated with corticosteroid injections 9,11 , Silva et al showed no evidence of bursitis or inflammation histologically after THA in patients with greater trochanteric pain syndrome 31 . Mahmood et al showed, that a reduced global femoral offset less than 5 mm, leads to an aggravation in the functional outcome, especially of the abductor muscle strength 15 . This is in accordance with the findings of Spalding et al, who found a reduced motion and strength in the abductor muscle after reduced femoral offset reconstruction in THA 16 .…”
Section: Discussionmentioning
confidence: 99%
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“…A computerized method (Rhinoceros software, version 3.0SR5b, Robert McNeel & Associates, Seattle, WA, USA) was applied to measure femoral offset, canal flare index, cortical index, and stem‐to‐canal fill ratio from the anteroposterior hip radiographs. Fill ratio was defined as the percentage of endosteal space occupied by the implant .…”
Section: Methodsmentioning
confidence: 99%