Surface modifications of vascular grafts
Material | Fabrication | Surface modification | Time of effect | Target effect | Additional notes | Reference |
---|---|---|---|---|---|---|
Segments of the vasculature of porcine and rabbit | Glutaraldehyde-cross-linked | Heparin | 5 months | Calcification | Effective in porcine thoracic aorta (AO), pulmonary artery (PA), and ineffective in jugular vein (JV) and rabbit aorta (RA) | [25] |
Porous polyurethane (PU) vascular graft | Dip-coated | Sulfonated poly(ethylene oxide) (PEO-SO3)-grafted PU copolymer (PU-PEO-SO3) | 14–39 days | Calcification, platelet adhesion, and thrombosis | PU-PEO-SO3 provided additional structural support.Calcium deposits resurfaced over time. | [4] |
Polycaprolactone (PCL) vascular graft | Electrospinning with catechol/gallol surface chemistry | Polyethyleneimine, heparin, and epigallocatechin gallate | 28 days | Platelet adhesion/activation and fibrinogen formation | - | [26] |
PU vascular grafts | Dip-coated with multiple layers of plasticized polyvinyl chloride | Polymer containing a nitric oxide dono (dialkylhexanediamine diazeniumdiolate) | 21 days | Platelet adhesion and thrombosis | - | [28] |
Poly(ester urethane)urea graft | Amine-carboxyl chemical immobilization | Methacryloyloxyethyl phosphorylcholine | 24 weeks | Platelet adhesion | - | [31] |
Tissue-engineered decellularized vascular grafts | Covalent attachment of thiol-functionalized hyaluronan onto the thiol-reactive vessel/graft | Hyaluronic acid hydrogel | 5 weeks | Platelet adhesion/activation and fibrinogen and fibrin formation | Decrease macrophage adhesion | [32] |
PCL fibers | Electrospinning | Cu-metal organic frameworks | 12 weeks | Platelet adhesion/activation | Promote endothelial monolayer | [33] |
Hydroxyl-terminated poly(ethylene-co-vinyl alcohol) | Covalent attachment through hydroxylgroups | Vascular endothelial growth factor receptor | Not stated | Increase endothelialization of graft | - | [36] |
Expanded polytetrafluoroethylene (ePTFE) vascular grafts | Covalent attachment of silanized anti-CD34 antibodies (CD34-APTES) to the hydroxyl-terminated ePTFE surface | Perfluoroperhydrophenanthren lubricant and (3-aminopropyl) triethoxysilane (APTES) silanized anti-CD34 | 4 days | Thrombosis | Capture endothelial cells and prevent nonspecific adhesion | [46] |
PU and polyethylene terephthalate(PET) | Covalent attachment through hydroxylgroups | Slippery-liquid infused porous surface (SLIPS) | 8 hours | Thrombosis; Icing; Scaling; Fouling; Corrosion | - | [49] |
Titanium alloy | Covalent attachment through hydroxyl groups | SLIPS | 25 hours | Platelet adhesion | - | [6] |
ePTFE | Dip-coating | SLIPS (Three lubricants tested perfluoropolyether, and perfluorodecalin | 21 days | S. aureus infection | Decrease macrophage inflammatory cytokine | [53] |
Glass substrates | Chemical-vapor deposition | Tethered-liquid perfluorocarbons | 40 minutes | Platelet adhesion | Measured optimal thickness (between 100 nm and 2 μm) of lubricant to limit loss due to shear stress | [54] |
Tissue-engineered decellularized vascular grafts | Dynamic culturing | Human endothelial progenitor cells and umbilical cord-derived mesenchymal stem cells | 2 hours | Thrombosis | - | [5] |
Tissue-engineered decellularized vascular grafts | Dynamic culturing | Human umbilical vein endothelial cells | 14 days (cell viability) | Thrombosis | - | [55] |
-: no data
NAJ: Conceptualization, Writing—original draft, Writing—review & editing. AC: Writing—original draft, Writing—review & editing. JIW: Validation, Writing—review & editing. TFD: Validation, Proof-reading, Writing—review & editing, Supervision. All authors read and approved the submitted version.
Tohid F. Didar, who is the Editorial Board Member of Exploration of BioMat-X, had no involvement in the journal review process of this manuscript. The other authors declare that they have no conflicts of interest.
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This work was supported by an NSERC Discovery grant and an Ontario Early Researcher Award to TFD as Tier II Canada Research Chair. JIW holds the Canada Research Chair (Tier I) in Thrombosis and the Heart and Stroke Foundation J. F. Mustard Chair in Cardiovascular Research. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
© The author(s) 2024.