The effect of surgical operation on the velocity of venous return from the legs.
D000293:Adolescent; D000768:Anesthesia, General; D001458:Bandages; D001783:Blood Flow Velocity; D005268:Femoral Vein; D006801:Humans; D007866:Leg / Q000098:blood supply*; D008297:Male; D011183:Postoperative Complications / Q000517:prevention & control; D011312:Pressure; D013514:Surgical Procedures, Operative; D013924:Thrombophlebitis / Q000209:etiology* / Q000503:physiopathology / Q000517:prevention & control; D014680:Veins / Q000503:physiopathology*