Resumo

FERNANDEZ-CALDERON, María et al. Carbon dioxide vs. air insufflation in ileo-colonoscopy and in gastroscopy plus ileo-colonoscopy: a comparative study. Rev. esp. enferm. dig. [online]. 2012, vol.104, n.5, pp.237-241. ISSN 1130-0108.  https://dx.doi.org/10.4321/S1130-01082012000500003.

Introduction: insufflation with carbon dioxide (CO₂) during endoscopies compared to air is associated with a decrease in abdominal discomfort after the examination, because CO₂ is readily absorbed through the small intestine and eliminated by the lungs. Aims: the objective of this randomized clinical trial was to assess the effect of CO₂ insufflation on pain and abdominal distension after an ileo-colonoscopy (I) and after an ileo-colonoscopy plus gastroscopy (I+G). Material and methods: we included a total of 309 patients in the study and all endoscopies were performed under sedation with propofol. Two hundred fourteen patients underwent an I (132 with CO₂ / 82 with air) and 95 underwent an I+G (53 with CO₂ / 42 with air). Abdominal pain was studied at 10, 30 and 120 minutes of exploration and abdominal perimeter difference before and after the procedure. Results: both in group I and in group I+G, the use of CO₂ translated into an average of abdominal pain significantly lower (p < 0.05). Similarly, a smaller increase in waist circumference was found among group I and group I+G, in patients where CO₂ was used (p < 0.05). Conclusion: the insufflation of CO₂ instead of air during the performance of endoscopy significantly reduces the discomfort and abdominal pain after an ileo-colonoscopy and after a gastroscopy + ileo-colonoscopy.

Palavras-chave : CO₂ insufflation; Endoscopy; Ileo-colonoscopy.

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