Clinical radiology · 2002
Is carbon dioxide as an insufflation agent for double contrast barium enema still worthwhile after a same-day flexible sigmoidoscopy?
Клиническое исследованиеСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Asao Takayuki, Fujita Kin-ichi, Nakamura Jun-ichi, Morinaga Nobuhiro, Shoji Hisanori, Ide Munenori, Hirayama Isao, Kuwano Hiroyuki
Аннотация
PURPOSE: The aim of the study was to evaluate the efficacy of a double-contrast barium enema (DCBE) with CO(2) as a distending gas after a screening flexible sigmoidoscopy for reducing abdominal distension after an examination.
PATIENTS AND METHODS: A total of 165 DCBEs for patients with positive faecal occult blood tests were randomly allocated to a CO(2) group (n = 83) and a control group (n = 82) using air. Abdominal radiograph were taken before the DCBE, immediately following it, and 30 minutes later to determine residual bowel gas. The degree of abdominal discomfort was recorded using a scoring system.
RESULTS: The patients in the CO(2) group had significantly smaller amounts of residual gas 30 minutes after the DCBE than did the control group, both in the colon (P < 0.02) and in the small intestine (P < 0.001). There was significantly less abdominal distension after the DCBE in the CO(2) group compared to the control group (P < 0.001). The abdominal discomfort score at 30 minutes after CO(2) correlated with the residual gas in the small intestine (r = 0.390,P = 0.003) but not in the colon (r = 0.155, P = 0.15). The quality of the images and the number of polyps detected did not differ between two groups.
CONCLUSIONS: We concluded that using CO(2) when administering a DCBE after a screening sigmoidoscopy was useful for relieving abdominal discomfort following the examination; furthermore, it did not impair the diagnostic ability of the DCBE.
PATIENTS AND METHODS: A total of 165 DCBEs for patients with positive faecal occult blood tests were randomly allocated to a CO(2) group (n = 83) and a control group (n = 82) using air. Abdominal radiograph were taken before the DCBE, immediately following it, and 30 minutes later to determine residual bowel gas. The degree of abdominal discomfort was recorded using a scoring system.
RESULTS: The patients in the CO(2) group had significantly smaller amounts of residual gas 30 minutes after the DCBE than did the control group, both in the colon (P < 0.02) and in the small intestine (P < 0.001). There was significantly less abdominal distension after the DCBE in the CO(2) group compared to the control group (P < 0.001). The abdominal discomfort score at 30 minutes after CO(2) correlated with the residual gas in the small intestine (r = 0.390,P = 0.003) but not in the colon (r = 0.155, P = 0.15). The quality of the images and the number of polyps detected did not differ between two groups.
CONCLUSIONS: We concluded that using CO(2) when administering a DCBE after a screening sigmoidoscopy was useful for relieving abdominal discomfort following the examination; furthermore, it did not impair the diagnostic ability of the DCBE.