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Effectiveness of customized insoles in patients with Morton's neuroma: a randomized, controlled, double-blind clinical trial.
de Oliveira HAV et al
ClinRehabil. 2019 Sep 11
OBJECTIVE:
To assess the effectiveness of customized insole in patients with Morton's neuroma.
DESIGN:
Double-blind randomized controlled trial with intent-to-treat analysis.
SETTING:
Outpatients, University Hospital.
SUBJECTS:
A total of 72 patients with Morton's neuroma met the inclusion criteria and were randomly allocated to either the study group (n = 36) or the control group (n = 36).
INTERVENTIONS:
The study group was assigned to use a customized insole with metatarsal and arch support made of ethyl vinyl acetate and the control group received a flat insole of the same material, color, and density.
MAIN MEASURES:
The primary outcome measure was walking pain intensity measured by the visual analogue scale. The secondary outcomes were as follows: pain at rest, palpation, and paresthesia (visual analogue scale); functional disability (6-minute walk test, Foot Function Index, and Foot Health Status Questionnaire); quality of life (Health Survey Short Form-36 (SF-36)); and foot pressure (AM Cube FootWalk Pro program).
RESULTS:
In the comparison between the groups over time, a statistically significant difference, with improvement in favor of the experimental group, was found for pain during walking (P = 0.048); in the general health domains (P < 0.001) and physical activity (P = 0.025) of the Foot Health Status Questionnaire; in the general Foot Function Index score (P = 0.012); and in the functional capacity domain of the SF-36 questionnaire (P = 0.046). For the other parameters, no difference was found between groups.
CONCLUSION:
The study demonstrated that customized insole with metatarsal and arch support relieved walking pain and improved patient-reported measures of function in patients with Morton's neuroma.
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