Legends
Figure 1. Intraoperative photographs. A. Transesophageal echocardiography, severe mitral regurgitation. B. Quadrangular resection of the posterior leaflet with sliding plasty. C. Flexible band in the mitral valve position. D. Final transesophageal echocardiography revealed trivial mitral regurgitation.
Figure 2. Dynamics of FVIII (%), hemoglobin levels (g\L), and FVIII concentrate doses (IU\kg)