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Does temporary socket removal affect residual limb fluid volume of trans-tibial amputees?
Joan E Sanders1, Tyler L Hartley2, Reid H Phillips2
1University of Washington, Seattle, WA, USA jsanders@u.washington.edu.
Background:
Lower-limb prosthesis users typically experience residual limb volume losses over the course of the day that can detrimentally affect socket fit.
Objectives:
To determine whether temporarily doffing the prosthesis encouraged residual limb fluid volume recovery and whether the recovered fluid was maintained.
Study Design:
Experimental design.
Methods:
Residual limb fluid volume was monitored on 16 participants in three test sessions each. Participants conducted six cycles of resting/standing/walking. Between the third and fourth cycles, participants sat for 30 min with the prosthesis and liner: donned (ON), the prosthesis doffed but the liner donned (LINER), or the prosthesis and liner doffed (OFF).
Results:
Percentage fluid volume gain and retention were greatest for the OFF condition followed by the LINER condition. Participants experienced fluid volume losses for the ON condition.
Conclusion:
Doffing the prosthesis or both the prosthesis and liner during rest improved residual limb fluid volume retention compared with leaving the prosthesis and liner donned.
Clinical Relevance:
Practitioners should advise patients who undergo high daily limb volume losses to consider temporarily doffing their prosthesis. Fluid volume retention during subsequent activity will be highest if both the prosthesis and liner are doffed.
