[Paravalvular insufficiency following heart valve prosthesis].

The features of the morphology of paravalvular insufficiency (PVI) were studied on the basis of analysis of 5,113 prosthetic replacements of the heart valves. From the clinical results and noninvasive and invasive data the authors revealed the peculiarities of the disorders of hemodynamics and functional condition of patients with PVI. Information on the specific features and the results of 35 repeated operations in PVI are discussed.

[Clinical aspects and diagnosis of dilated cardiomyopathy].

Diagnostic potential of clinical and noninvasive instrumental investigations was compared to that of invasive techniques in 224 cases of dilated cardiomyopathy. The results provided grounds for identification of informative diagnostic criteria of the disease applicable in wide clinical practice.

[Quantitative dynamic assessment of their physical status as a result of sinus rhythm recovery in patients after mitral commissurotomy].

Submaximum bicycle and respiration ergometry was conducted before and after sinus rhythm recovery by means of electric impulse stimulation in 41 patients with atrial fibrillation after effective mitral commissurotomy. Physical working capacity was reduced considerably (by 25.8%), while oxygen spending per unit of work increased by 58.