Skip to main content

Table 5 Lung US finding. Data shown as number (percentage) of patients

From: Comparative study between volume-controlled ventilation and pressure-controlled ventilation in prevention of postoperative pulmonary atelectasis in morbidly obese patients undergoing laparoscopic gastric sleeve surgery

Lung US finding

Group (V), VCV (n = 26)

Group (P), PCV (n = 26)

χ 2

p value

Immediate postoperative

Normal

8 (30.8%)

10 (38.5%)

0.143

0.368

Abnormal

18 (69.2%)

16 (61.5%)

Absent A-lines

10 (38.5%)

8 (30.8%)

Presence B-lines

14 (53.8%)

12 (46.2%)

Lung pulse

14 (53.8%)

12 (46.2%)

After 12 h

Normal

10 (38.5%)

12 (46.2%)

0.513

0.282

Abnormal

16 (61.5%)

14 (53.8%)

Absent A-lines

7 (26.9%)

5 (19.2%)

Presence B-lines

12 (46.2%)

11 (42.3%)

Lung pulse

12 (46.2%)

11 (42.3%)

After 24 h

Normal

12 (46.2%)

14 (53.8%)

0.328

0.325

Abnormal

14 (53.8%)

12 (46.2%)

Absent A-lines

6 (23.1%)

5 (19.2%)

Presence B-lines

9 (34.6%)

8 (30.8%)

Lung pulse

9 (34.6%)

8 (30.8%)

  1. This table shows no statistically significant difference between groups according to lung US finding
  2. χ2 chi-square test, PCV pressure-controlled ventilation, VCV volume-controlled ventilation
  3. p value > 0.05 NS