title: Summaries for patients. Risks for persistent clots in leg veins despite treatment.
mesh_terms: D000328:Adult; D000368:Aged; D000925:Anticoagulants / Q000627:therapeutic use; D004334:Drug Administration Schedule; D005268:Femoral Vein / Q000000981:diagnostic imaging; D005500:Follow-Up Studies; D006801:Humans; D015994:Incidence; D008875:Middle Aged; D011152:Popliteal Vein / Q000000981:diagnostic imaging; D016016:Proportional Hazards Models; D011446:Prospective Studies; D012008:Recurrence; D012307:Risk Factors; D014463:Ultrasonography; D014654:Vascular Patency; D020246:Venous Thrombosis / Q000175:diagnosis* / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000453:epidemiology
chemical_list: D000925:Anticoagulants