A significant number of patients depend on the intake of vitamin K antagonists for prevention and treatment of thromboembolic events. The development of portable anticoagulation monitors has enabled self-testing and self-adjustment of anticoagulation therapy.
Department of Thoracic and Cardiovascular Surgery, Heart Center North-Rhine Westphalia, Clinic of the Ruhr University Bochum, Bad Oeynhausen, Germany. hkoertke@hdz-nrw.de
