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This article and any supplementary material should be cited as follows: Levy A, Kopplin K, Gefen A. Computer simulations of efficacy of air-cell- based.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Levy A, Kopplin K, Gefen A. Computer simulations of efficacy of air-cell- based."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Levy A, Kopplin K, Gefen A. Computer simulations of efficacy of air-cell- based cushions in protecting against reoccurrence of pressure ulcers. J Rehabil Res Dev. 2014;51(8):1297– Slideshow Project DOI: /JRRD JSP Computer simulations of efficacy of air-cell-based cushions in protecting against reoccurrence of pressure ulcers Ayelet Levy, MSc; Kara Kopplin, BS; Amit Gefen, PhD

2 This article and any supplementary material should be cited as follows: Levy A, Kopplin K, Gefen A. Computer simulations of efficacy of air-cell- based cushions in protecting against reoccurrence of pressure ulcers. J Rehabil Res Dev. 2014;51(8):1297– Slideshow Project DOI: /JRRD JSP Aim – Evaluate biomechanical efficacies of air-cell-based (ACB) cushion for individuals with spinal cord injury (SCI) with previous pressure ulcers (PUs) that healed but left scars in their soft tissues. Relevance – For individuals with SCI who depend on a wheelchair for mobility, sitting-acquired PUs are common and life endangering.

3 This article and any supplementary material should be cited as follows: Levy A, Kopplin K, Gefen A. Computer simulations of efficacy of air-cell- based cushions in protecting against reoccurrence of pressure ulcers. J Rehabil Res Dev. 2014;51(8):1297– Slideshow Project DOI: /JRRD JSP Method Used 11 finite element buttock model variants describing various scar shapes and severities to study: – Effects of scars on soft tissue stresses during sitting on ACB cushion. – Resulting theoretical risk for PU reoccurrence.

4 This article and any supplementary material should be cited as follows: Levy A, Kopplin K, Gefen A. Computer simulations of efficacy of air-cell- based cushions in protecting against reoccurrence of pressure ulcers. J Rehabil Res Dev. 2014;51(8):1297– Slideshow Project DOI: /JRRD JSP Results ACB cushion induced lower peak stress values in soft tissues of buttocks when scarring was present with respect to stress levels in (nonscarred) reference case.

5 This article and any supplementary material should be cited as follows: Levy A, Kopplin K, Gefen A. Computer simulations of efficacy of air-cell- based cushions in protecting against reoccurrence of pressure ulcers. J Rehabil Res Dev. 2014;51(8):1297– Slideshow Project DOI: /JRRD JSP Conclusion Our simulations suggest that ACB cushion is generally better at protecting patients with history of severe PUs manifested by large, possibly deep-tissue, scarring in their buttocks.


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