Geneva, March 23 -- International Clinical Trials Registry received information related to the study (ChiCTR2600119716) titled 'Clinical study of ultrasonic evaluation of gastric volume in patients undergoing colonoscopy' on March 3.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The Second Affiliated Hospital of Shantou University Medical College

Condition: pulmonary aspiration

Intervention: The 2-hour group :Fasting time from 2 hours to 2 hours 25 minutes The 2.5-hour group:Fasting time from 2 hours to 2 hours 55 minutes The 3-hour group:Fasting time from 3 hours to 3 hours 25 minutes The 3.5-hour group:Fasting time from 3 hours to 3 hours 55 minutes

Recruitment Status: Not Recruiting

Phase: N/A

Da...