A Randomized, Controlled, Double-blind Trial of the Efficacy and Safety of CO2 vs Room Air Insufflation During Colonoscopy or ESD for Gastric Tumor
Interventional
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator)
Abdominal pain related to each insufflation
Patients will be received questionnaire (100mm visual analogue scale, VAS) and record their score in 0, 1, 3, 6, 24 hours after endoscopic procedure.
1 day
Yes
Korea: Institutional Review Board
GIRBA2681-2012
NCT01579071
April 2012
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