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

查看全文 作　　者：Shinji [1]Nishiwaki;Hiroshi [2]Araki;Motoshi [1]Hayashi;Jun [1]Takada;Masahide [1]Iwashita;Atsushi [1]Tagami;Hiroo [1]Hatakeyama;Takao [1]Hayashi;Teruo [1]Maeda;Koshiro [1]Saito 高影响力作者 机构地区：[1]Department of Internal Medicine,Nishimino Kosei Hospital,Gifu 503-1394,Japan;[2]Department of Gastroenterology,Graduate School of Medicine,Gifu University,Gifu 501-1194,Japan高影响力机构 出　　处：《World Journal of Gastroenterology》索引2012年第18卷第27期,共6页高影响力期刊 摘　　要：AIM:To evaluate the inhibitory effects of carbon dioxide (CO2) insufflation on pneumoperitoneum and bowel distension after percutaneous endoscopic gastrostomy (PEG).METHODS:A total of 73 consecutive patients who were undergoing PEG were enrolled in our study.After eliminating 13 patients who fitted our exclusion criteria,60 patients were randomly assigned to either CO2 (30 patients) or air insufflation (30 patients) groups.PEG was performed by pull-through technique after threepoint fixation of the gastric wall to the abdominal wall using a gastropexy device.Arterial blood gas analysis was performed immediately before and after the procedure.Abdominal X-ray was performed at 10 min and at 24 h after PEG to assess the extent of bowel distension.Abdominal computed tomography was performed at 24 h after the procedure to detect the presence of pneumoperitoneum.The outcomes of PEG for 7 d postprocedure were also investigated.RESULTS:Among 30 patients each for the air and the CO2 groups,PEG could not be conducted in 2 patients of the CO2 group,thus they were excluded.Analyses of the remaining 58 patients showed that the patients' backgrounds were not significantly different between the two groups.The elevation values of arterial partial pressure of CO2 in the air group and the CO2 group were 2.67 mmHg and 3.32 mmHg,respectively (P = 0.408).The evaluation of bowel distension on abdominal X ray revealed a significant decrease of small bowel distension in the CO2 group compared to the air group (P < 0.001) at 10 min and 24 h after PEG,whereas there was no significant difference in large bowel distension between the two groups.Pneumoperitoneum was observed only in the air group but not in the CO2 group (P = 0.003).There were no obvious differences in the laboratory data and clinical outcomes after PEG between the two groups.CONCLUSION:There was no adverse event associated with CO2 insufflation.CO2 insufflation is considered to be safer and more comfortable for PEG patients because of the lower incidence of pneumoperitoneum and less distension of the small bowel. 关 键 词：二氧化碳气 抑制作用 小肠 腹胀 胃壁 内镜 CO2分压 扫描程序
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