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Healing of advanced pressure ulcers by a generic total contact seat: 2 randomized comparisons with low air loss bed treatments1  Mark J Rosenthal, MD,

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Presentation on theme: "Healing of advanced pressure ulcers by a generic total contact seat: 2 randomized comparisons with low air loss bed treatments1  Mark J Rosenthal, MD,"— Presentation transcript:

1 Healing of advanced pressure ulcers by a generic total contact seat: 2 randomized comparisons with low air loss bed treatments1  Mark J Rosenthal, MD, Robert M Felton, PhD, Anne E Nastasi, MD, Bruce D Naliboff, PhD, Judith Harker, PhD, Joseph H Navach, MD  Archives of Physical Medicine and Rehabilitation  Volume 84, Issue 12, Pages (December 2003) DOI: /S (03)

2 Fig 1 (A-C) The generic total contact seat device.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )

3 Fig 2 (A) The prosthetic fitting concept for total contact pressure distribution; (B) the lumbosacral angle. Abbreviations: D, displacement-horizontal vector=internal shear; Pb, pressure under bony prominence; Pt, pressure under soft tissue; V, vertical counter shear vector, W, weight-downward force vector. Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )

4 Fig 3 Force Management System pressure map over time (min). The isobaric pictures were done with the single seat mat Force Management System of a person sitting in a cushioned chair. The colors represent different ranges of pressures, with dark blue representing lower pressures and red representing very high pressures. As time passes, there are dramatic increases in localized pressures because of skeletal settling. Over the course of just 15 minutes, the maximum pressure (seen under the ischials) rises from roughly 75mmHg (time 0) in a very small area of 1 ischial, to well over 112mmHg (time 15) in major areas of both ischials. Information like this helps clinicians and therapists determine the most appropriate and effective product for a given patient. Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )

5 Fig 4 Interface pressures in study 2 at 4 weeks.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )

6 Fig 5 PSSSs at 0 and 4 weeks in (A) study 1 and (B) study 2.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )

7 Fig 6 Percentage of subjects who healed totally by treatment type over time, shown as cumulative percentage healed by month. Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )

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