title: Patency of venous grafts in the venous system.
mesh_terms: D000792:Angiography; D000818:Animals; D001166:Arteriovenous Shunt, Surgical; D004285:Dogs; D005263:Femoral Artery / Q000000981:diagnostic imaging / Q000601:surgery*; D005268:Femoral Vein / Q000000981:diagnostic imaging / Q000601:surgery*; D007601:Jugular Veins / Q000637:transplantation*; D011183:Postoperative Complications; D013927:Thrombosis / Q000209:etiology* / Q000601:surgery; D014182:Transplantation, Autologous