The median left ventricular ejection fraction (EF) was 56% (IQR, 54-60%) in Group I and 55% (IQR, 52-60%) in Group II (P=0.579). 9 patients (22.5%) in Group I had atrial fibrillation (AF) versus 11 (27.5%) in Group II (P=0.606). Median pulmonary artery pressure (PAP) was 25 in both groups (P=0.330). There was no statistically significant difference between both groups regarding EF, AF, and median PAP (Table 3). No left ventricular dilatation or right ventricular dysfunction were noted in both groups preoperatively.