Such clinical states include adult respiratory distress syndrome, the use of artificial respiration with positive end-expiratory pressure, severe heart failure (NYHA IV), endocarditis, acute myocardial infarction with on-going angina or unstable angina, hearts with prosthetic valves, acute states of systemic inflammation or sepsis, known states of hyperactive coagulation system and/ or recurrent thromboembolism, renal or hepatic end-stage disease.