Effects of Low-Flow Sevoflurane Anesthesia on Pulmonary Functions in Patients Undergoing Laparoscopic Abdominal Surgery
Table 2
Comparison of the preoperative and postoperative forced expiratory volume in 1 s forced vital capacity and forced expiratory volume in 1 s/forced vital capacity values.
Group H
Group L
value
FEV1 (L)
Preoperative
2.85 ± 0.69
2.78 ± 0.54
0.643
Postoperative 2 h
2.37 ± 0.73
2.22 ± 0.54
0.723
Postoperative 8 h
2.44 ± 0.68
2.46 ± 0.54
0.865
Postoperative 24 h
2.69 ± 0.78
2.72 ± 0.56
0.868
FVC (L)
Preoperative
3.13 ± 0.74
3.10 ± 0.57
0.904
Postoperative 2 h
2.51 ± 0.84
2.47 ± 0.48
0.756
Postoperative 8 h
2.73 ± 0.77
2.69 ± 0.52
0.805
Postoperative 24 h
2.95 ± 0.79
2.96 ± 0.55
0.952
FEV1/FVC (%)
Preoperative
0.92 ± 0.10
0.90 ± 0.07
0.272
Postoperative 2 h
0.93 ± 0.06
0.90 ± 0.08
0.074
Postoperative 8 h
0.91 ± 0.09
0.92 ± 0.05
0.473
Postoperative 24 h
0.91 ± 0.10
0.91 ± 0.07
0.988
Values are expressed as mean ± SD. FEV1: forced expiratory volume in 1 s. FVC: forced vital capacity. FEV1/FVC: forced expiratory volume in 1 s/forced vital capacity.