title: Prevention of pulmonary embolus with vena caval umbrella. Results in 150 patients.
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000517:prevention & control*; D014656:Vascular Surgical Procedures / Q000295:instrumentation* / Q000401:mortality; D014682:Vena Cava, Inferior / Q000601:surgery*