Bowel preparation plays a vital role in the quality of colonoscopy.Bowel preparation consists of 2 key steps: dietary restriction and purgative ingestion.Two liters of PEG-ELS are widely used in Asian countries, but in a well-designed clinical trial，additional reduction of PEG-ELS volume seems feasible. Enteral nutrition may simplify the process and avoid unexpected intake of fiber-containing food.~We hypothesized that dietary restriction with enteral nutrition prescribed could prevent nonadherence to dietary restrictions, enable additional reduction of the required volume of PEG-ELS.
This clinical trial is being conducted to assess whether dietary restriction with enteral nutrition prescribed could prevent nonadherence to dietary restrictions, enable additional reduction of the required volume of PEG-ELS.