Clinical Study

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 HGroup L value

FEV1 (L)
 Preoperative2.85 ± 0.692.78 ± 0.540.643
 Postoperative 2 h2.37 ± 0.732.22 ± 0.540.723
 Postoperative 8 h2.44 ± 0.682.46 ± 0.540.865
 Postoperative 24 h2.69 ± 0.782.72 ± 0.560.868

FVC (L)
 Preoperative3.13 ± 0.743.10 ± 0.570.904
 Postoperative 2 h2.51 ± 0.842.47 ± 0.480.756
 Postoperative 8 h2.73 ± 0.772.69 ± 0.520.805
 Postoperative 24 h2.95 ± 0.792.96 ± 0.550.952

FEV1/FVC (%)
 Preoperative0.92 ± 0.100.90 ± 0.070.272
 Postoperative 2 h0.93 ± 0.060.90 ± 0.080.074
 Postoperative 8 h0.91 ± 0.090.92 ± 0.050.473
 Postoperative 24 h0.91 ± 0.100.91 ± 0.070.988

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.