Clinical and psychological adjustment to prosthesis use in lower-limb amputees: focus on differences between traditional and high-technology rehabilitation.
A Pierobon, C Tambussi, M Maffoni and 9 others
Neither traditional nor high-technology rehabilitation outperformed the other in functional or psychological outcomes for 21 male transtibial amputees.
Both groups improved in mobility and independence over three weeks, but the study was too small to detect a difference between approaches.
Key findings
1Both groups improved significantly in functional autonomy and prosthetic mobility from baseline to discharge, but no statistically significant difference between the two rehabilitation approaches was detected in the primary outcomes.
2In the high-technology group, a reduction in anxiety symptoms was associated with an improvement in body image perception (ρ = .75, p = .013).
3Baseline psychological resources — acceptance of illness, self-efficacy, and emotional response — showed significant associations with post-treatment psychological and functional outcomes.
Still to come
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What it does not show
All 21 participants were male, so the findings cannot be generalised to women, younger patients, or traumatic amputees. With 10–11 patients per group, only very large treatment differences (δ ≥ 0.89) could be detected; the study was not powered to show equivalence or a moderate benefit of one approach over the other. No blinding of patients or therapists was possible, and no formal allocation concealment was used, so expectation bias is a real concern. The intervention was a bundle of physiotherapy, clinical supervision, psychoeducational sessions, and (in one group) VR training; the contribution of any single component cannot be separated. Follow-up was limited to the inpatient stay (three weeks); nothing is known about whether gains were maintained after discharge. Most outcomes were self-report questionnaires, which introduces subjective bias. Single centre with a highly standardised protocol, limiting generalisability to other settings.
Declared interests
The authors declared that financial support was received for the work and/or its publication. The work was partially supported by the 'Ricerca Corrente' funding scheme of the Italian Ministry of Health. No industry sponsor, device manufacturer, or treatment provider is named as a funder.
The easy way to misread this
Do not read the null between-group result as evidence that high-technology rehabilitation is equivalent to traditional rehabilitation. With 10–11 patients per arm, the study could only detect very large differences (δ ≥ 0.89), and the authors state plainly that it was not designed to establish efficacy or equivalence. A null finding here means 'we could not tell them apart,' not 'they are the same.'
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →