Inhibitory effects of carbon dioxide insufflation on pneumoperitoneum and bowel distension after percutaneous endoscopic gastrostomy

doi:10.3748/wjg.v18.i27.3565

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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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 ± 8.8	82.3 ± 9.5	0.873
Gender (male/female)	8/22	5/23	0.421
Underlying diseases
Cerebrovascular disease	20	16
Dementia	5	7
Neuromuscular disease	2	1
Pneumonia	1	4
Malignant tumor	1	0
Cardiac disease	1	0
Albumin (mean ± SD, g/dL)	3.12 ± 0.46	3.05 ± 0.69	0.645

CO₂: Carbon dioxide.

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 group	CO₂ group	P value
Amount of midazolam (mg)	2.53 ± 1.14	2.53 ± 1.45	0.995
Duration of procedure (s)	835 ± 145	889 ± 128	0.143
Arterial blood gas analysis
PCO₂ (mmHg)
Before procedure	38.9 ± 4.9	38.6 ± 4.4	0.837
After procedure	41.6 ± 5.6	41.9 ± 4.8	0.778
Elevation during procedure	2.67 ± 2.82	3.32 ± 3.14	0.408
PO₂ (mmHg)
Before procedure	83.0 ± 11.8	84.4 ± 9.3	0.612
After procedure	79.3 ± 10.6	83.1 ± 9.8	0.213
Depression during procedure	3.72 ± 8.95	1.34 ± 7.07	0.302
pH
Before procedure	7.479 ± 0.035	7.471 ± 0.023	0.295
After procedure	7.454 ± 0.031	7.435 ± 0.031	0.018
Depression during procedure	0.025 ± 0.031	0.036 ± 0.027	0.125

PCO₂: Pressure of carbon dioxide; PO₂: Pressure of oxygen; CO₂: Carbon dioxide.

Table 3 Changes in laboratory data and clinical outcomes after percutaneous endoscopic gastrostomy (mean ± SD)

	Air group	CO₂ group	P value
CRP (mg/dL)
Before PEG	1.58 ± 1.63	1.51 ± 2.71	0.906
1 d after PEG	2.92 ± 3.23	1.66 ± 1.58	0.068
7 d after PEG	2.12 ± 3.23	1.14 ± 1.75	0.158
Leucocytes (/μL)
Before PEG	6330 ± 1990	7330 ± 2210	0.077
1 d after PEG	7760 ± 3230	8570 ± 2110	0.269
7 d after PEG	6690 ± 2150	7410 ± 2400	0.238
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

CRP: C-reactive protein; PEG: Percutaneous endoscopic gastrostomy; CO₂: Carbon dioxide.

Citation: Nishiwaki S, Araki H, Hayashi M, Takada J, Iwashita M, Tagami A, Hatakeyama H, Hayashi T, Maeda T, Saito K. Inhibitory effects of carbon dioxide insufflation on pneumoperitoneum and bowel distension after percutaneous endoscopic gastrostomy. World J Gastroenterol 2012; 18(27): 3565-3570
URL: https://www.wjgnet.com/1007-9327/full/v18/i27/3565.htm
DOI: https://dx.doi.org/10.3748/wjg.v18.i27.3565