Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Jul 21, 2012; 18(27): 3565-3570
Published online Jul 21, 2012. doi: 10.3748/wjg.v18.i27.3565
Table 1 Demographic data of the air and carbon dioxide insufflation groups
Air group (n = 30)CO2 group (n = 28)P value
Age (mean ± SD, yr)81.9 ± 8.882.3 ± 9.50.873
Gender (male/female)8/225/230.421
Underlying diseases
Cerebrovascular disease2016
Dementia57
Neuromuscular disease21
Pneumonia14
Malignant tumor10
Cardiac disease10
Albumin (mean ± SD, g/dL)3.12 ± 0.463.05 ± 0.690.645
Table 2 The amount of administered midazolam, duration of percutaneous endoscopic gastrostomy procedure, and arterial blood gas analyses immediately before and after the procedure (mean ± SD)
Air groupCO2 groupP value
Amount of midazolam (mg)2.53 ± 1.142.53 ± 1.450.995
Duration of procedure (s)835 ± 145889 ± 1280.143
Arterial blood gas analysis
PCO2 (mmHg)
Before procedure38.9 ± 4.938.6 ± 4.40.837
After procedure41.6 ± 5.641.9 ± 4.80.778
Elevation during procedure2.67 ± 2.823.32 ± 3.140.408
PO2 (mmHg)
Before procedure83.0 ± 11.884.4 ± 9.30.612
After procedure79.3 ± 10.683.1 ± 9.80.213
Depression during procedure3.72 ± 8.951.34 ± 7.070.302
pH
Before procedure7.479 ± 0.0357.471 ± 0.0230.295
After procedure7.454 ± 0.0317.435 ± 0.0310.018
Depression during procedure0.025 ± 0.0310.036 ± 0.0270.125
Table 3 Changes in laboratory data and clinical outcomes after percutaneous endoscopic gastrostomy (mean ± SD)
Air groupCO2 groupP value
CRP (mg/dL)
Before PEG1.58 ± 1.631.51 ± 2.710.906
1 d after PEG2.92 ± 3.231.66 ± 1.580.068
7 d after PEG2.12 ± 3.231.14 ± 1.750.158
Leucocytes (/μL)
Before PEG6330 ± 19907330 ± 22100.077
1 d after PEG7760 ± 32308570 ± 21100.269
7 d after PEG6690 ± 21507410 ± 24000.238
Fever more than 38 °C, n (%)10 (33.3)5 (17.9)0.179
Discontinued clinical pathway, n (%)4 (13.3)4 (14.2)0.916