Rehabilitation in childhood-onset hyperkinetic movement disorders including dystonia: Treatment change in outcomes across the ICF and feasibility of outcomes for full trial evaluation
2021
Abstract Background Childhood-onset hyperkinetic movement disorders (HMD), including dystonia are notoriously difficult to treat and there are limited studies showing successful medical, surgical or non-pharmacological interventions. Methods This prospective study used grouped data (n = 22) from two studies of the Cognitive Orientation to daily Occupational Performance (CO-OP) Approach for patient-selected goals. Eligibility included aged 6–21 years, deep brain stimulation in place, with manual ability classification system level I-IV. Outcome was assessed on a range of patient-reported and clinician-rated measures across the International Classification of Function at end-treatment (10 weekly sessions) (series 1 and 2) and 3-month follow-up (series 1). Feasibility of outcomes to be used in a full trial were explored. Findings Nineteen participants completed the intervention and were included in the analysis. Of the primary outcome measures, the self-reported Canadian Occupational Performance Measure showed improvement in goal performance (mean change 4.08, 95% CI [3.37,4.79] post-; 4.18 [5.10,5.26] follow-up), and satisfaction (4.03 [3.04,5.03) post-; 4.44 [3.07,5.82] follow-up]. The Assessment of Motor and Process Skills showed improved motor score (0.52 [0.01,1.03] at follow-up only, while the process score did not change. Objective blind-rated pooled data using the Performance Quality Rating Scale-individualized indicated significant change for trained goals (3.79 [3.37,4.21] post-; (4.01,5.10) follow-up] and untrained goals (1.90 [1.24,2.55] post 1.91 [0.23,3.60] follow-up]. Motor impairment assessed by the Burke-Fahn Motor Disability Rating Scale was unchanged (−3.26 [-6.62,0.09] post-; −1.11 [-8.05,5.82] follow-up). Improvement was also observed in self-efficacy (0.97 [0.47,1.47] post-; 1.37 [1.91–0.83] follow-up) and Quality of Life (0.12 [0.03–0.22] follow-up). Goal improvement; self-efficacy and quality of life captured significant change post-intervention. This improvement was shown despite no change on impairment-related measures and were shown to be feasible measures to use in a larger study of CO-OP for this population.
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