Warm water infusion versus air insufflation for unsedated colonoscopy: a randomized, controlled trial

Uncontrolled data suggest that warm water infusion (WWI) instead of air insufflation (AI) during the insertion phase of unsedated colonoscopy improves patient tolerance and satisfaction.We tested the hypothesis that water could increase the proportion of patients able to complete unsedated colonoscopy and improve patient tolerance compared with the conventional procedure.Randomized, controlled trial.Single center, community hospital.Consecutive...