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. 2022 Jun 24;131(1):109–126. doi: 10.1161/CIRCRESAHA.121.319984

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© 2022 The Authors.

Circulation Research is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution Non-Commercial-NoDerivs License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited, the use is noncommercial, and no modifications or adaptations are made.

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Figure 1. — Explants of expanded polytetrafluoroethylene grafts used as hemodialysis vascular access at 7 mo post-implantation. A, Thrombosis (arrowhead), inflammatory exudate (IE), adventitia (Ad), graft (G) and pannus (P) in trichrome staining. B, Fragmented wall with Ad and fibrosis in the defect (F) and thrombosis (T) in hematoxylin and eosin staining. C, Multinucleated giant cells (large arrows), macrophages (small arrow), and neutrophils (arrowhead) in hematoxylin and eosin staining. D, Gram-positive cocci (arrows) within intraluminal fibrin along luminal surface in Gram staining.