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Patient tolerance of endoscopy is, to a large degree, due to preprocedure sedation. However, sedation has disadvantages, such as cost, recovery time, and postsedation restrictions (e.g., against driving). Small caliber endoscopes have the potential to preclude the need for sedation and, therefore, are being used more often as emphasis on access to screening and pressures for cost containment increase. But, unsedated endoscopy has not gained wide acceptance in the U.S. In this U.S. study, researchers examined predictors of patient tolerance and acceptance of unsedated endoscopy.
Of 98 patients undergoing upper endoscopy, 52 agreed to undergo either ultrathin transnasal or peroral endoscopy (with a 3.1-mm battery-powered endoscope) followed by…