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The influence of perforated prosthetic liners on residual limb wound healing: a case report

Michael McGrath, Joseph McCarthy, Ana Gallego, Alan Kercher, Saeed Zahedi, David Moser
CANADIAN PROSTHETICS & ORTHOTICS JOURNAL ; doi:10.33137/cpoj.v2i1.32723

Abstract: CASE DESCRIPTION: Good residual limb skin health is vital to successful prosthetic prescription. Unnatural loading profiles and excessive sweating can lead to skin and soft tissue problems. Perforated liners allow the transport of moisture away from the skin and allow negative pressure (a condition that has been shown to aid wound healing) to act directly on the residuum surface. AIM: Assess the effects of perforated prosthetic liner use, particularly with respect to wound healing. METHOD: Three patient histories were retrospectively reviewed following prescription of perforated prosthetic liners due to excessive sweating or prolonged residual limb health concerns. Photographic records from patient files were used to document changes in residual limb condition. Patients also provided subjective feedback regarding their experiences. FINDINGS: Two cases described active amputees with persistent blistering irritated during exercise. Another case described a patient of low mobility level with a history of residual limb skin infections. All saw their conditions heal and reported a reduction in problematic sweating. Two patients reported cancelling surgical interventions after substantial improvements with the perforated liner. DISCUSSION: These findings provide evidence that the use of perforated prosthetic liners allow improvements in residual limb health, while still permitting prosthetic use. LAYMAN’S ABSTRACT For lower limb amputees, excessive sweating is a common issue affecting their quality of life. It is particularly problematic for the skin of the amputated limb, which may be scarred and is loaded unnaturally by the prosthetic socket. Silicone liners are often worn to provide a close fit and for cushioning but they create a warm environment that traps sweat against the skin, leading to bacterial growth. Additionally, sweat on the skin can increase the amount of movement between the amputated limb and the socket, affecting prosthetic control. In order to address this problem, silicone liners have been designed with perforations in them to allow warm air and sweat to move away from the skin. This report describes three cases of patients who suffered from long-standing wounds, blisters or skin infections on their amputated limbs. Each was prescribed with a perforated silicone liner and changes in their skin conditions were observed. In all cases, the wounds healed and each patient reported a noticeable reduction in problematic sweating on their residual limb, without limiting their prosthetic use. Article PDF Link: How to Cite: McGrath M, McCarthy J, Gallego A, Kercher A, Zahedi S, Moser D. The influence of perforated prosthetic liners on residual limb wound healing: a case report. Canadian Prosthetics & Orthotics Journal. 2019; volume2, Issue1, No.3. CORRESPONDING AUTHOR:Dr. Michael McGrath, Research Scientist–Clinical Evidence Blatchford Group, Unit D Antura, Bond Close, Basingstoke, RG24 8PZ, United Kingdom Email: [email protected]
Keywords: quality of life / liners / sweating / prosthetic / Influence of Perforated / residual limb wound / limb wound healing

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