Abstract
Aim of the research: to determine the morphological aspects of the application of deep vein to reconstruct the arterial-iliac segment and its comparison with other known vascular grafts. Material and methods. The objects of the study were 20 pedigreeless dogs at a weight of 15,2 ± 3,1 kg. All the dogs underwent aortobifemoral bypass with a combined graft. The samples were taken for morphological study after 3, 6, 9 and 12 months. The complex of histological studies was performed with Leica DMLS microscope (Germany). Results. The histological study of the connective tissue capsule revealed its decrease by 12 months. There is distinct formation of a neointimal layer on the vein inner surface, particularly on the sites of sutures. Neointima appears by three months in the application of the deep vein and by six months if superficial vein is used. Conclusion. The great saphenas demonstrate better adjustment capabilities for the inclusion to the arterial flow in comparison with the superficial vein and may be comparable with an autoartery.
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