科研之友
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摘要
Objectives: To determine if there is a difference in functional gait outcomes between patients with limb injuries treated with either transtibial amputation or limb preservation with the Intrepid Dynamic Exoskeletal Orthosis. Design: Retrospective prognostic study. Setting: Tertiary referral military hospital. Patients: This study included 10 transtibial amputees and 10 limb preservation patients using the Intrepid Dynamic Exoskeletal Orthosis who were matched by body mass index after excluding for non-traumatic, proximal ipsilateral, contralateral, spine, or traumatic brain injuries. Transtibial amputation patients were also excluded if they did not have a gait study between 6 and 12 months after independent ambulation. Limb preservation were excluded if they did not complete the "Return to Run" program. Interventions: An observational study of functional outcomes using instrumented gait analysis. Outcome Measures: Spatiotemporal, kinetic (vertical ground reaction force), unified deformable power, work, and efficiency. Results: Limb preservation patients walked with a significantly slower cadence (P = 0.036) and spent less time on their affected limb in stance (P = 0.045), and longer in swing (P = 0.019). Amputees had significantly increased maximum positive power in both limbs (P = 0.004 and P = 0.029) and increased maximum negative power on the unaffected limb (P = 0.035). Amputees had significantly increased positive and negative work in the affected limb (P = 0.0009 and P = 0.014) and positive work in the unaffected limb (P = 0.042). There was no significant difference in the kinetic data or efficiency. Conclusions: Limb preservation patients spend less time on their affected limb as a percentage of the gait cycle. The unified deformable power demonstrated more dynamic gait in amputees, with peak values closer to normative data.
- 出版日期2016-12
