Objectives: To describe the characteristics, treatment, and outcomes of active infective endocarditis (IE) in Europe. Design: Prospective survey of medical practices in Europe. Setting: 92 centres from 25 countries. Patients: The EHS (Euro heart survey) on valvar heart disease (VHD) enrolled 5001 adult patients between April and July 2001. Of those, 159 had active IE. Results: 118 patients (74%) had native IE and 41 (26%) had prosthetic IE. Mean (SD) age was 57 (16) years. Blood cultures were obtained for 113 patients (71%) before antibiotic treatment was started. Surgery was performed in 52% of patients. Reasons for surgery were heart failure in 60%, persistent sepsis in 40%, vegetation size in 48%, or embolism in 18%. Surgery was for implantation of mechanical prosthesis in 63%, bioprosthesis in 21%, aortic homograft in 5%, and valve repair in 11%. In-hospital mortality was 12.6%, being 10.4% in the medical group and 15.6% in the surgical group. Among the total population of 5001 patients, only 50% of those with native VHD had been educated on endocarditis prophylaxis and only 33% regularly attended dental follow up. Of patients with IE who had had a procedure at risk during the preceding year only 50% had received adequate prophylaxis. Conclusions: The EHS on VHD shows that patients with active IE have a high risk profile and often undergo surgery. However, there are deficiencies in obtaining blood cultures and applying prophylaxis. Mortality remains high, which is a justification for the improvement of patient management through education and the implementation of guidelines.

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A review of coagulation disturbances during pregnancy and the current management of the anticoagulated patient with heart valve prostheses, atrial fibrillation, and thromboembolic events is presented. All patients with mechanical heart valve prostheses require life-long oral anticoagulation with coumarin or one of its derivatives. Recommendations for the treatment and prevention of thromboembolic events are discussed. The advantages and disadvantages of three different treatment approaches to anticoagulation during pregnancy are discussed and recommendations for the management in different situations are outlined with delineation of specific risks for the mother and the fetus.