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- Title
Early clinical results of total hip arthroplasty assessed with the 25-question Geriatric Locomotive Function Scale and muscle strength testing.
- Authors
Maezawa, Katsuhiko; Yuasa, Takahito; Sato, Hironobu; Gomi, Motosi; Nozawa, Masahiko; Kaneko, Kazuo
- Abstract
<bold>Background: </bold>We think that it is necessary to evaluate whether the patient after total hip arthroplasty has achieved age-appropriate locomotor ability by improvement in hip joint function. The 25-question Geriatric Locomotive Function Scale (GLFS-25) have been determined age-specific standard values for the general population. The aim of this study was to compare postoperative hip muscle strength and functional performance at 3 months after THA with preoperative levels, and to compare the outcomes at 3 months after THA with the function of age-matched adults without hip disease.<bold>Methods: </bold>The GLFS-25 scores and muscle strength were investigated before THA and 3 months after surgery in 12 men and 75 women who underwent total hip arthroplasty.<bold>Results: </bold>The mean preoperative and postoperative GLFS-25 score was 55.4 and 19.1, respectively. With regard to the influence of age, the mean scores before and after THA were respectively 52.0 versus 18.2 for patients aged 60-69 years and 61.2 versus 17.3 for those aged 70-79 years in the normal/mild OA group. When female patients from the normal/mild OA group and the implant group classified into levels 4-7 after THA were combined (n = 15), their mean preoperative and postoperative straight leg raising (SLR) strength was 0.56 Nm/kg and 0.75 Nm/kg, respectively. On the other hand, the mean preoperative and postoperative SLR strength was respectively 0.54 Nm/kg and 0.86 Nm/kg for patients classified into levels 1-3 after THA (n = 45).<bold>Conclusion: </bold>Before THA, 90% of the patients who has severe hip disturbance were in need of nursing care (levels 4-7), while the percentage decreased to 30% after surgery. There was a difference of SLR muscle strength between the patients in levels 4-7 and those in levels 1-3 after THA, suggesting that achieving levels 1-3 postoperatively might depend on whether SLR muscle strength shows improvement.
- Subjects
TOTAL hip replacement; MUSCLE strength testing; OSTEOARTHRITIS treatment; HIP joint; RISK of backache; DYNAMOMETER; CONVALESCENCE; HIP joint diseases; HUMAN locomotion; RANGE of motion of joints; LONGITUDINAL method; MUSCLE strength; OSTEOARTHRITIS; TIME; TREATMENT effectiveness
- Publication
Journal of Orthopaedic Science, 2018, Vol 23, Issue 3, p538
- ISSN
0949-2658
- Publication type
journal article
- DOI
10.1016/j.jos.2018.02.012