[Clinical experience with the use of dura mater prosthesis (the 1st 60 patients)]

It is presented the experience in the first 60 patients with duramater's prothesis. It is exposed the methodology which was utilized for these patients, in the same manner, the valve's confection technic. There are signaled the advantages, over mechanic valves, that these prothesis have, specially the no utilization of anticoagulatings, a minor incidence of tromboembolic phenomena, insignificant transvalvular gradient, major resistance to infection, central flux, minor turbulence and lower cost. It is informed about the obtained results with electrocardiographic, radiologic, phonomechanocardiographic, echocardiographic and haemodynamic postoperation studies, evolution after two years has been very good, 90% of the patients shows substantial improvement and only 30% need to take anticoagulants. There were 5 hospital deaths and 1 late death by hepatitis.