Meta-analysis: the use of carbon dioxide insufflation vs. room air insufflation for gastrointestinal endoscopy
Carbon dioxide (CO(2) insufflation has been proposed as an alternative to air insufflation to distend the lumen in gastrointestinal (GI) endoscopy. For colonoscopy, it resulted in lower postprocedural pain intensity and increased the proportion of patients without pain at 1 h and 6 h.
