Colonoscopy insertion pain: water exchange vs water immersion
- admin
- April 7, 2015
- Colonoscopy
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Water immersion (WI) and water exchange (WE) entail infusion of water to distend the lumen during the insertion phase of colonoscopy. In WI, water is an adjunct to air insufflation (AI) to facilitate insertion to the cecum, with removal of infused water predominantly during withdrawal. WE entails complete exclusion of air insufflation, suction of infused…