title: Revascularization of severely ischemic lower extremities in the elderly by femorotibial bypass.
mesh_terms: D000367:Age Factors; D000368:Aged; D001158:Arteries / Q000601:surgery; D003097:Collateral Circulation; D005263:Femoral Artery / Q000601:surgery*; D006801:Humans; D007511:Ischemia / Q000601:surgery*; D007866:Leg / Q000098:blood supply*; D008875:Middle Aged; D012501:Saphenous Vein / Q000637:transplantation*; D013977:Tibia / Q000098:blood supply*; D014182:Transplantation, Autologous