Evaluation of abdominal circumference and salivary amylase activities after unsedated colonoscopy using carbon dioxide and air insufflations | Zendy

Kiriyama Shinsuke | Zendy; Naitoh Hiroshi | Zendy; Fukuchi Minoru | Zendy; Yuasa Kazuhisa | Zendy; Horiuchi Katsuhiko | Zendy; Fukasawa Takaharu | Zendy; Tabe Yuichi | Zendy; Yamauchi Hayato | Zendy; Suzuki Masaki | Zendy; Yoshida Tomonori | Zendy; Saito Yutaka | Zendy; Kuwano Hiroyuki | Zendy

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Evaluation of abdominal circumference and salivary amylase activities after unsedated colonoscopy using carbon dioxide and air insufflations

Author(s) -

Kiriyama Shinsuke,

Naitoh Hiroshi,

Fukuchi Minoru,

Yuasa Kazuhisa,

Horiuchi Katsuhiko,

Fukasawa Takaharu,

Tabe Yuichi,

Yamauchi Hayato,

Suzuki Masaki,

Yoshida Tomonori,

Saito Yutaka,

Kuwano Hiroyuki

Publication year - 2015

Publication title -

journal of digestive diseases

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.684

H-Index - 51

eISSN - 1751-2980

pISSN - 1751-2972

DOI - 10.1111/1751-2980.12302

Subject(s) - colonoscopy , insufflation , medicine , anesthesia , abdomen , surgery , colorectal cancer , cancer

Objective To assess and compare abdominal distention and stress in unsedated colonoscopy using carbon dioxide (CO 2 ) and air insufflations. Methods Two hundred and five patients underwent colonoscopic examinations without sedation using either CO 2 or air insufflation. Abdominal circumference and salivary amylase (sAMY) activities before and 0 and 15 min after colonoscopy were measured by a nurse who was blinded to the grouping of the patients. Results In all, 102 and 103 patients were randomly recruited in the CO 2 and air insufflation groups, respectively. sAMY activities before and 0 and 15 min after colonoscopy were not significantly different between the two groups. Abdominal circumference measured immediately and 15 min after colonoscopy was significantly smaller in CO 2 insufflation group than in the air insufflation group (81.2 cm vs 84.0 cm, and 79.7 cm vs 83.6 cm, respectively; P <0.05). The increasing ratio of abdominal circumference immediately after colonoscopy was not significantly different between the two groups; however, the ratio at 15 min after colonoscopy using CO 2 insufflation was significantly lower than that in the air insufflation group (1.007 vs 1.028, P <0.001). Conclusion sAMY activities after unsedated colonoscopy using CO 2 insufflation were not improved; however, CO 2 insufflation decreases abdominal circumference after colonoscopy compared with air insufflation.

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