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Microangiopathy of the skin and the effect of leg compression in patients with chronic venous insufficiency  Abdusalam Abu-Own, FRCS, Shukri K. Shami,

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Presentation on theme: "Microangiopathy of the skin and the effect of leg compression in patients with chronic venous insufficiency  Abdusalam Abu-Own, FRCS, Shukri K. Shami,"— Presentation transcript:

1 Microangiopathy of the skin and the effect of leg compression in patients with chronic venous insufficiency  Abdusalam Abu-Own, FRCS, Shukri K. Shami, FRCS, Sandra J. Chittenden, PhD, John Farrah, BSc, John H. Scurr, FRCS, Philip D. Coleridge Smith, FRCS  Journal of Vascular Surgery  Volume 19, Issue 6, Pages (June 1994) DOI: /S (94) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2 Fig. 1 Diagrammatic representation of experimental model: Laser Doppler probe, installed in polyethylene chamber, is applied to supramalleolar region underneath blood pressure cuff. Inflating blood pressure cuff also inflates polyethylene chamber via Y junction. Computer data logging system records laser Doppler parameters from laser Doppler flowmeter. Journal of Vascular Surgery  , DOI: ( /S (94) ) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3 Fig. 2 Relationship between interface pressure sensing device and sphygmomanometer readings in 10 subjects. Pressure applied to cuff, indicated on sphygmomanometer, ranged from 10 to 100 mm Hg and was within 5 mm Hg of pressure reading indicated by interface pressure sensor. Journal of Vascular Surgery  , DOI: ( /S (94) ) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4 Fig. 3 The median values of basal LDF, BCV, and CMBC in horizontal position. LDS is patients with lipodermatosclerosis; p is Mann-Whitney U Test. Journal of Vascular Surgery  , DOI: ( /S (94) ) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

5 Fig. 4 Effect of dependency on LDF in LDS and control groups. p is Wilcoxon matched-pairs signed rank test. Journal of Vascular Surgery  , DOI: ( /S (94) ) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

6 Fig. 5 Effect of leg compression on LDF, BCV, and CMBC in patients with LDS. Medians of LDF, BCV, and CMBC are plotted in AU. p is Wilcoxon matched-pairs signed rank test, comparing values at 20 mm Hg compression to basal values at 0 mm Hg; ns, not significant. A, Horizontal position. B, Dependent position. Journal of Vascular Surgery  , DOI: ( /S (94) ) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

7 Fig. 5 Effect of leg compression on LDF, BCV, and CMBC in patients with LDS. Medians of LDF, BCV, and CMBC are plotted in AU. p is Wilcoxon matched-pairs signed rank test, comparing values at 20 mm Hg compression to basal values at 0 mm Hg; ns, not significant. A, Horizontal position. B, Dependent position. Journal of Vascular Surgery  , DOI: ( /S (94) ) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

8 Fig. 6 Effect of leg compression on LDF, BCV, and CMBC in control subjects. Medians of LDF, BCV and CMBC are plotted in AU. p is Wilcoxon matched-pairs signed rank test, comparing values at 20 mm Hg compression with basal values at 0 mm Hg; ns is not significant. A, Horizontal position. B, Dependent position. Journal of Vascular Surgery  , DOI: ( /S (94) ) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

9 Fig. 6 Effect of leg compression on LDF, BCV, and CMBC in control subjects. Medians of LDF, BCV and CMBC are plotted in AU. p is Wilcoxon matched-pairs signed rank test, comparing values at 20 mm Hg compression with basal values at 0 mm Hg; ns is not significant. A, Horizontal position. B, Dependent position. Journal of Vascular Surgery  , DOI: ( /S (94) ) Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

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