title: Anticoagulation is necessary in all patients with mechanical prostheses in sinus rhythm.
mesh_terms: D000925:Anticoagulants / Q000009:adverse effects / Q000627:therapeutic use*; D001705:Bioprosthesis; D003374:Coumarins / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D006349:Heart Valve Diseases / Q000601:surgery*; D006350:Heart Valve Prosthesis; D006470:Hemorrhage / Q000139:chemically induced; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D010974:Platelet Aggregation / Q000187:drug effects; D011183:Postoperative Complications / Q000517:prevention & control*; D011474:Prosthesis Design; D012306:Risk; D013923:Thromboembolism / Q000517:prevention & control*
chemical_list: D000925:Anticoagulants; D003374:Coumarins; D006493:Heparin; C030123:coumarin