Warm Water Versus Room Temperature Water Immersion Colonoscopy

Warm Water Versus Room Temperature Water Immersion Colonoscopy - a Prospective, Randomized, Double-blind, Single-center Trial

Water immersion insertion has been documented to decrease procedure-related discomfort during colonoscopy. There was used warm water infusion for colonoscope insertion in most of the water immersion colonoscopy trials. The investigators have been using room temperature water (20-24°C) for water immersion and the investigators did not notice any drawback of it. In our opinion, it is simpler and cheaper option for water immersion colonoscopy and proof of its efficacy and safety could support the use of water immersion technique in routine practice. The primary endpoint is cecal intubation time and the investigators suppose that the use of warm water infusion does not shorten it significantly. Patient comfort during colonoscope insertion, water consumption, length of the scope while reaching the cecum, need for external compression, need for positioning of the patient and endoscopist´s difficulty with colonoscopy will be also assessed.

Colonoscopy using purely warm water (37°C) infusion during colonoscope insertion and room air insufflation during colonoscope withdrawal.

Colonoscopy using purely room temperature water (20-24°C) infusion during colonoscope insertion and room air insufflation during colonoscope withdrawal.

Colonoscopy using warm water (37°C) infusion for colonoscope insertion and room air insufflation during colonoscope withdrawal.

Colonoscopy using room temperature water (20-24°C) infusion for colonoscope insertion and room air insufflation during colonoscope withdrawal.

Inclusion Criteria: outpatient diagnostic colonoscopy bowel prep with macrogolum initial 2 mg of midazolam i.v. signed informed consent form Exclusion Criteria: planned therapeutic intervention colorectal surgery in history known inflammatory bowel disease or colorectal cancer refusal of sedation

Falt P, Smajstrla V, Fojtik P, Tvrdik J, Urban O. Cool water vs warm water immersion for minimal sedation colonoscopy: a double-blind randomized trial. Colorectal Dis. 2013;15(10):e612-7. doi: 10.1111/codi.12336.