A Prospective Study of the Effect of Modified Colonoscopy Bowel Preparation Program on Intestinal Cleaning, Examination and Disease in Patients With Inflammatory Bowel Disease

A Prospective Study of the Effect of Modified Colonoscopy Bowel Preparation Program on Intestinal Cleaning, Examination and Disease in Patients With Inflammatory Bowel Disease

The purpose of this study is to investigate the effect of modified colonoscopy bowel preparation method compared with traditional method on bowel cleansing effect, colonoscopy examination effect and clinical condition of inflammatory bowel disease patients. Risk factors affecting the quality of bowel preparation will also be studied.

Inclusion Criteria:

• Diagnosis: inflammatory bowel disease (IBD) patients, including ulcerative colitis (UC) and Crohn's disease (CD), have colonic involvement.
• Patients and/or family members can understand the study protocol and are willing to participate in the study and provide informed consent in writing.

Exclusion Criteria:

• The diagnosis is not definite.
• Toxic megacolon, gastrointestinal perforation or other acute abdominal diseases; Patients with gastrointestinal bleeding with unstable vital signs.
• Patients after colon surgery.
• Serious underlying diseases, organ failure, or inability to cooperate with colonoscopy for other reasons.
• Patients can not cooperate with the use of polyethylene glycol or glycerin enema.
• Patients or family members cannot understand the conditions and objectives of this study.