| Preoperative | Postoperative | P value |
| (n=120) | (n= 110) |
|
NYHA class | 3.31 ± 0.56 | 1.50 ± 0.61 | <0.001* |
CCS grade | 3.11 ± 0.55 | 1.38 ± 0.52 | <0.001* |
LVEDD (cm) | 5.79 ± 0.53 | 5.63 ± 0.51 | 0.002* |
LVESD (cm) | 4.58 ± 0.70 | 4.35 ± 0.64 | 0.001* |
EF (%) | 37.49 ± 2.89 | 40.30 ± 8.19 | <0.001* |
NYHA = New York Heart Association, CCS = Canadian cardiovascular society, EF = ejection fraction, LVEDD = left ventricular end diastolic diameter, LVESD = left ventricular end systolic |