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[Classification of mitral valve disease by clinical features and hemodynamic parameters (author's transl)].

Using the central venous oxygen saturation (SO2v) at rest and during exercise (50 Watt) a new classification of mitral valve disease is proposed, which corresponds with the recommendation of the NHA (1953). Contrary to the mostly subjective classification by clinical features, the new one results from objective hemodynamic parameters. The validity of the new proposed classification is shown using different clinical parameters.