Accelerated Endothelialization Model for the Study of Dacron Graft Healing |
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Authors: | Yoko Onuki Naoki Hayashida Moses Hong-De Wu Qun Shi Yasuhiro Kouchi Rafik Ghali Lester R. Sauvage |
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Affiliation: | (1) The Hope Heart Institute, the Providence Medical Center, and the Department of Surgery, University of Washington School of Medicine, Seattle, WA, US |
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Abstract: | p < 0.05). The neointima, which contained smooth muscle cells, was formed as early as 2 weeks in the vein-wrapped grafts. There were no differences in the speed of healing or in healing patterns according to whether the intimal or the adventitial side of the inferior vena cava was placed against the graft. Histologic findings did not support the hypothesis that accelerated flow surface endothelialization results in direct migration of endothelial cells from the intima of the vein wrap, and there was no clear correlation between the surface endothelial-like cell coverage and microostia. To gain further insight into why accelerated healing occurs in this model, earlier observations accompanied by molecular biology analysis are needed, and vein wrap studies provide a method of comparison for this work. |
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