Clinical Study

Intra-Abdominal Hypertension and Gastrointestinal Symptoms in Mechanically Ventilated Patients

Table 4

The number of days with different GI symptoms according to the presence or absence of IAH at the day of assessment. Data are presented as number of days (%). Chi-square test was used to compare the groups.

IAPmean < 12 mmHg IAPmean ≥ 12 mmHgP value

Absent/abnormal bowel sounds672 (29.2)346 (50.7)<.001
Vomiting651 (28.3)331 (48.5)<.001
Gastric residuals >500 mL/day261 (11.3)151 (22.1)<.001
Ileus/bowel distension117 (5.1)77 (11.3)<.001
Constipation147 (6.4)43 (6.3).510
Diarrhoea105 (4.6)45 (6.6).023
GI bleeding42 (1.8)27 (4.0).002
Feeding intolerance377 (16.4)169 (24.7)<.001