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Quantification of pressure relief using interface pressure and tissue perfusion in alternating pressure air mattresses  Shyam V.S. Rithalia, PhD, Mahendra.

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Presentation on theme: "Quantification of pressure relief using interface pressure and tissue perfusion in alternating pressure air mattresses  Shyam V.S. Rithalia, PhD, Mahendra."— Presentation transcript:

1 Quantification of pressure relief using interface pressure and tissue perfusion in alternating pressure air mattresses  Shyam V.S. Rithalia, PhD, Mahendra Gonsalkorale, MD  Archives of Physical Medicine and Rehabilitation  Volume 81, Issue 10, Pages (October 2000) DOI: /apmr Copyright © 2000 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

2 Fig. 1 Computerized system for monitoring pressure relief characteristics in alternating pressure air mattresses: (a) computer, (b) Oxford Pressure Monitor, (c) pressure transducers, (d) keyboard, (e) laser printer, (f) computer monitors, and (g) 2-cell mattress. Archives of Physical Medicine and Rehabilitation  , DOI: ( /apmr ) Copyright © 2000 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

3 Fig. 2 Three-cell mattress system showing (A) schematic representation of cell inflation/deflation sequence and (B) cell inflate/deflate air pressure. Archives of Physical Medicine and Rehabilitation  , DOI: ( /apmr ) Copyright © 2000 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

4 Fig. 3 Two-cell mattress system showing (A) schematic representation of cell inflation/deflation sequence and (B) cell inflate/deflate air pressure. Archives of Physical Medicine and Rehabilitation  , DOI: ( /apmr ) Copyright © 2000 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

5 Fig. 4 A typical pressure-time graph showing recording in the 3-cell mattress. Archives of Physical Medicine and Rehabilitation  , DOI: ( /apmr ) Copyright © 2000 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

6 Fig. 5 Continuous recordings showing air pressure (top) in a cell, tcPCO2, and tcPO2 in a subject on the 3-cell mattress. Archives of Physical Medicine and Rehabilitation  , DOI: ( /apmr ) Copyright © 2000 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

7 Fig. 6 Sacrum PRI in the 3-cell (shaded) and the 2-cell (unshaded) mattresses below 30, 20, and 10mmHg in 1 hour. Archives of Physical Medicine and Rehabilitation  , DOI: ( /apmr ) Copyright © 2000 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

8 Fig. 7 The tcPO2 debt and tcPCO2 surplus in the 2-cell (unshaded) and the 3-cell (shaded) mattresses during 60 minutes. Archives of Physical Medicine and Rehabilitation  , DOI: ( /apmr ) Copyright © 2000 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

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