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Lipid uptake in expanded polytetrafluoroethylene vascular grafts

Published byColette Lebrun Modified over 5 years ago

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Presentation on theme: "Lipid uptake in expanded polytetrafluoroethylene vascular grafts"— Presentation transcript:

1 Lipid uptake in expanded polytetrafluoroethylene vascular grafts
Patrick Vermette, MSc, PhD, Jules Thibault, PhD, Gaétan Laroche, PhD  Journal of Vascular Surgery  Volume 28, Issue 3, Pages (September 1998) DOI: /S (98) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2 Fig. 1 Time dependence permeability for the prosthesis exposed to a hydrostatic pressure of 180 mm Hg and 300 mm Hg under a flow rate of 2000 mL/min at 37°C. Journal of Vascular Surgery  , DOI: ( /S (98) ) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3 Fig. 2 Scanning electron microscope picture, magnification ×480, of the luminal surface of A, a virgin prosthesis compared with prostheses exposed, B, 168 hours, C, 336 hours, and D, 720 hours to the phosphatidylcholine dispersion under a transmural pressure of 80 mm Hg, a flow rate of 2000 mL/min, and a temperature of 37°C. Journal of Vascular Surgery  , DOI: ( /S (98) ) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4 Fig. 3 Convection of the phosphatidylcholine dispersion through the prosthesis wall, after exposing the graft for 8 hours to the model fluid for a flow rate of 2000 mL/min, a transmural pressure of 80 mm Hg, and a temperature of 37°C. Journal of Vascular Surgery  , DOI: ( /S (98) ) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

5 Fig. 4 Light-reflected microscope picture, magnification ×5, of the longitudinal axis of a virgin prosthesis. Journal of Vascular Surgery  , DOI: ( /S (98) ) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

6 Fig. 5 Lipid concentration index on luminal and external surface of the prostheses exposed to the conditions described in Table I, with FT-IR spectroscopy. Journal of Vascular Surgery  , DOI: ( /S (98) ) Copyright © 1998 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

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