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| Comparison of continuous passive motion (CPM) machines and lower limb mobility boards (LLiMB) in the rehabilitation of patients with total knee arthroplasty |
| May LA, Busse W, Zayac D, Whitridge MR |
| Canadian Journal of Rehabilitation 1999;12(4):257-263 |
| clinical trial |
| 5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
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This clinical pilot study compared the use of the lower limb mobility board (LLiMB) with the continuous passive motion (CPM) machine for patients with total knee arthroplasty (TKA) in a delayed post-operative setting. Nineteen subjects (CPM = 12, LLiMB = 7) who had undergone a primary TKA for osteoarthritis were randomly assigned to one of two treatment groups. Both groups also participated in a standard protocol of daily physical therapy including pool therapy twice a week. Repeated measures analysis of variance was used to analyse the data. Significant improvement was documented for all clinical outcomes for both groups. Given the small sample size and lack of a control group due to ethical concerns, conclusions regarding the effectiveness of the LLiMB are limited. However, the positive results for both groups indicates future research with a larger sample, possibly including both the acute and rehabilitation phase may be helpful in determining more definitive answers.
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