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Carbon dioxide insufflation during endoscopic retrograde cholangiopancreatography reduces bowel gas volume but does not affect visual analogue scale scores of suffering: a prospective, double-blind, randomized, controlled trial
| Title: | Carbon dioxide insufflation during endoscopic retrograde cholangiopancreatography reduces bowel gas volume but does not affect visual analogue scale scores of suffering: a prospective, double-blind, randomized, controlled trial |
| Authors: | Kuwatani, Masaki Browse this author →KAKEN DB | | Kawakami, Hiroshi Browse this author →KAKEN DB | | Hayashi, Tsuyoshi Browse this author | | Ishiwatari, Hirotoshi Browse this author | | Kudo, Taiki Browse this author | | Yamato, Hiroaki Browse this author | | Ehira, Nobuyuki Browse this author | | Haba, Shin Browse this author | | Eto, Kazunori Browse this author | | Kato, Mototsugu Browse this author →KAKEN DB | | Asaka, Masahiro Browse this author →KAKEN DB |
| Keywords: | Carbon dioxide insufflation | | Air insufflation | | Conscious sedation | | Endoscopic retrograde cholangiopancreatography | | Gas volume score |
| Issue Date: | Dec-2011 |
| Publisher: | Springer-Verlag |
| Journal Title: | Surgical Endoscopy |
| Volume: | 25 |
| Issue: | 12 |
| Start Page: | 3784 |
| End Page: | 3790 |
| Publisher DOI: | 10.1007/s00464-011-1789-8 |
| PMID: | 21656068 |
| Abstract: | Background: Endoscopic retrograde cholangiopancreatography (ERCP) and related procedures can cause abdominal pain and discomfort. Two clinical trials have indicated, using the visual analogue scale (VAS) score, that CO2 insufflation during ERCP ameliorates the suffering of patients without complications, as compared with air insufflation. However, differences in patient suffering between CO2 and air insufflation after ERCP under deep conscious sedation have not been reported. We focused on the gas volume score (GVS) as an objective indicator of gas volume, and designed a multicenter, prospective, double-blind randomized controlled study with CO2 and air insufflation during ERCP. Methods: Between March 2010 and August 2010, 80 patients who required ERCP were enrolled and evenly randomized to receive CO2 insufflation (CO2 group) or air insufflation (air group). ERCP and related procedures were performed under deep conscious sedation with fentanyl citrate or pethidine and midazolam or diazepam. The GVS was evaluated as the primary endpoint in addition to the VAS score as the secondary endpoint. Results: The GVS after ERCP and related procedures in the CO2 group was significantly lower than that in the air group (0.14 ± 0.06 vs. 0.31 ± 0.11, P < 0.01), as well as the increase in the rate of GVS ([GVS after - GVS before] / [GVS before ERCP and related procedures] x 100) (3.8 ± 5.9 vs. 21.0 ± 11.1%, P < 0.01). VAS scores 3 and 24 hours after ERCP and related procedures were comparable between the CO2 and air groups for abdominal pain, abdominal distension, and nausea. Additionally, VAS scores were not correlated with the GVS. Conclusions: CO2 insufflation during ERCP reduces GVS (bowel gas volume), but not the VAS score of suffering, as compared with air insufflation. Deep and sufficient sedation during ERCP and related procedures is important for the palliation of patients' pain and discomfort. |
| Rights: | The original publication is available at www.springerlink.com |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/50764 |
| Appears in Collections: | 北海道大学病院 (Hokkaido University Hospital) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 桒谷 将城
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