Abstract
BackgroundThe purpose of the study was to examine the effect of a foot-worn biomechanical device on the clinical measurements and gait patterns of patients with total hip arthroplasty (THA).MethodsNineteen patients, up to 3 months post-THA, were enrolled to the study. Patients underwent a computerized gait analysis to calculate spatiotemporal parameters and completed the Western Ontario and McMaster Universities osteoarthritis index and the SF-36 health survey. Patients then began therapy with a non-invasive foot-worn biomechanical device coupled with a treatment methodology (AposTherapy). Patients received exercise guidelines and used the device daily during their regular activities at their own environment. Follow-up examinations were conducted after 4, 12, and 26 weeks of therapy. Repeated measures ANOVA was used to evaluate changes over time. The clinical significance of the treatment effect was evaluated by computing the Cohen's effect sizes (ES statistic).ResultsAfter 26 weeks of therapy, a significant improvement was seen in gait velocity (50.3%), involved step length (22.9%), and involved single limb support (16.5%). Additionally, a significant reduction in pain (85.4%) and improvement in function (81.1%) and quality of life (52.1%) were noted.ConclusionsPatients following THA demonstrated a significant improvement in gait parameters and in self-assessment evaluations of pain, function, and quality of life. We recommend further RCTs to examine the effect of this therapy compared to other rehabilitation modalities following THA and compared to healthy matched controls.Trial registrationClinical trial registration number NCT01266382
Highlights
The purpose of the study was to examine the effect of a foot-worn biomechanical device on the clinical measurements and gait patterns of patients with total hip arthroplasty (THA)
The purpose of the current study was to conduct a pilot investigation to examine the applicability of this device on gait patterns, gait symmetry, and self-assessment levels of pain, function, and quality of life in patients following THA
The present study was a pilot investigation to examine the applicability of this device on gait patterns, gait symmetry, and self-assessment levels of pain, function, and quality of life in patients following THA
Summary
The purpose of the study was to examine the effect of a foot-worn biomechanical device on the clinical measurements and gait patterns of patients with total hip arthroplasty (THA). Several studies have shown that joint motion does not return to normal after 6 months and in some cases up to years postoperatively [4,5,8] This atypical joint motion includes additional stress being placed on the unaffected leg that may eventually lead to the development of osteoarthritis (OA) in the contralateral limb [6,9,10,11] and other joint disorders, some of which may even require a second arthroplasty [12]. Other studies have reported that patients following THA do reach normal values. Another study has examined resurfacing of the hip compared to THA and found similar results [13] Both studies compared the operated patients with healthy controls and reported that the operated groups have reached the values of healthy controls
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