Inclusion Criteria:  CABG, one-, two valve repair/replacement, ascending aorta, aortic arch replacement, ASD/AVD closurer, septal myoectomy  Exclusion Criteria:  Atrial fibrillation, atrial flutter, frequent ventricular and supraventricular arrythmias EFLV < 50% Pulmonary hypertension > 2 st CKD > C3 (GFR < 30) Redo surgery Left atrium volume > 150 ml LV EDV > 250 ml