Background Necrosis of the femoral head has a slow but progressive evolution, increasing degradation of the joint, worsening instability, with permanent pain and reduced walk perimeter. In the advanced stages of the disease, the only effective treatment is replacement of the joint (hip arthroplasty).
Objectives The objective of our study was to examine the effects of a two weeks kinetic program on pain and functional status in patients with hip arthroplasty for aseptic necrosis of the femoral head.
Methods We conducted an observational, prospective, randomized study on a sample of 47 patients with hip arthroplasty for aseptic necrosis of the femoral head. Patients were randomly assigned to a control group (23 patients) who received only analgesics and NSAID's when needed (group 1) and a study group (24 patients) whose therapeutic program included daily physical exercise (group 2). Patients were initially evaluated and after two weeks of rehabilitation treatment. The clinical and functional parameters assessed were: pain on a visual analogue scale (100 mmVAS), physical impairments (muscular strength and mobility of hip joint) and disabilities (Tinetti Gait Scale, D'Aubigné Scale and movement capacity).
Results The scores for functional parameters improved: pain- 42.6% (group 2) and 33.4% (group 1) (p=0.000054); physical impairments: muscular strength- 8.3% (group 2), without improving by group 1, mobility: 41.8% (group2) and 21.4% (group 1); disabilities: Tinetti Gait Scale- 33.6% (group 2) and 22.1% (group 1), D'Aubigné Scale- 35.8% (group 2) and 22.4% (group 1), movement capacity- 55.8% (group2) and 31.9% (group 1). The results were statistic significant (p<0.05).
Conclusions Improvement of pain, physical impairments and disabilities for the study group certifies the efficacy of the rehabilitation program including physical exercise in patients with hip arthroplasty for aseptic necrosis of the femoral head and motivates the continuation of the study on a longer period of time and on a larger number of patients. Rehabilitation program must begin right after patients underwent surgery for hip replacement.
Disclosure of Interest None declared
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