title: Prevention of pulmonary embolism by a foot sole pump.
mesh_terms: D019644:Arthroplasty, Replacement, Hip; D005528:Foot / Q000098:blood supply; D006801:Humans; D011183:Postoperative Complications / Q000517:prevention & control*; D011312:Pressure; D011655:Pulmonary Embolism / Q000517:prevention & control*; D012039:Regional Blood Flow; D012107:Research Design