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In situ hemodynamics of perforating veins in chronic venous insufficiency  Konstantinos T. Delis, MSc, MD, PhD, Marc Husmann, MD, Evi Kalodiki, MD, PhD,

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Presentation on theme: "In situ hemodynamics of perforating veins in chronic venous insufficiency  Konstantinos T. Delis, MSc, MD, PhD, Marc Husmann, MD, Evi Kalodiki, MD, PhD,"— Presentation transcript:

1 In situ hemodynamics of perforating veins in chronic venous insufficiency 
Konstantinos T. Delis, MSc, MD, PhD, Marc Husmann, MD, Evi Kalodiki, MD, PhD, John H. Wolfe, MS, FRCS, Andrew N. Nicolaides, MS, FRCS  Journal of Vascular Surgery  Volume 33, Issue 4, Pages (April 2001) DOI: /mva Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

2 Fig. 1 A , Perforator diameter measured at the fascial level and B , duration of perforator flow on release of manual distal leg compression (median and interquartile range) in 265 perforators across the spectrum of chronic venous insufficiency. Incompetent (Inc ) perforators are stratified according to CEAP classes and anatomic level (thigh and calf; upper, middle, and lower calf). A , Incompetent versus competent (Comp ) perforators, P <.0001; thigh or lower calf versus upper-middle calf, P ≤.04. B , Incompetent versus competent perforators, P <.0001. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

3 Fig. 2 A , Peak velocity and B , time to peak velocity (median and interquartile range) of (outward) perforator flow on release of manual distal leg compression in 265 perforators, across the spectrum of chronic venous insufficiency. Incompetent (Inc ) perforators are stratified according to CEAP classes and anatomic level (thigh and calf; upper, middle and lower calf). A , Incompetent versus competent (Comp ) perforators, P <.0001; CEAP3-4 versus CEAP1-2, P =.024. B , Incompetent versus competent perforators, P <.0001. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

4 Fig. 3 A , Mean velocity and B , volume flow (median and interquartile range) of perforator reflux (265 perforators) on release of distal leg compression, across the spectrum of chronic venous insufficiency. Incompetent (Inc ) perforators are stratified according to CEAP classes and anatomic level (thigh and calf; upper, middle, and lower calf). A , Incompetent versus competent (Comp ) perforators, P <.0001; CEAP or anatomic differences all nonsignificant, P >.34. B , Incompetent versus competent perforators, P <.0001; CEAP differences all nonsignificant, P >.42; thigh versus upper-middle calf, P <.03. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

5 Fig. 4 Venous volume displaced outward (median and interquartile range) in 265 perforators on release of manual distal leg-compression, across the spectrum of chronic venous insufficiency. Incompetent (Inc ) perforators are stratified according to CEAP classes and anatomic level (thigh and calf; upper, middle, and lower calf). Incompetent versus competent (Comp ) perforators, P <.0001; thigh versus upper-middle calf, P =.03. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

6 Fig. 5 A , Mean velocity and B , venous volume (median and interquartile range) during the first second of outward perforator flow on release of manual distal leg compression in 265 perforators, across the spectrum of chronic venous insufficiency. Incompetent perforators are stratified according to CEAP classes. A , Incompetent versus competent perforators, P <.0001; mean velocity CEAP3-6 or CEAP3-4 versus CEAP1-2, P <.001. B , Incompetent versus competent perforators, P <.0001; venous volume CEAP3-6 or CEAP3-4 or CEAP5-6 versus CEAP1-2, P <.009. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

7 Fig. 6 A , Volume flow and B , flow pulsatility (median and interquartile range) during the first second of (outward) perforator flow on release of manual distal leg compression in 265 perforators, across the spectrum of chronic venous insufficiency. Incompetent perforators are stratified according to CEAP classes. A , Incompetent versus competent perforators, P <.0001; CEAP3-6 or CEAP3-4 or CEAP5-6 versus CEAP1-2, P <.009. B , Incompetent versus competent perforators, P <.0001; CEAP5-6 versus CEAP1-2, P =.015. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

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