next up previous index Surgical Topics
Next: Bowel Prep - Oral Up: Mechanical Bowel Preparation Previous: Mechanical Bowel Preparation   Index

Bowel Prep - Rectal agents

The most popular rectal agent is a phosphate enema Fletcher's. This is introduced via a nozzel into the rectum and about 50 ml are delivered. The solution will causes an osmotic flow of fluid into the recutum which is then stimulated to evacuate. This type of preparation is popular of sigmoidoscopic examinations and is useful in the outpatients or office to rapidly clear out the distal bowel prior to endoscopy. The person applying the enema must be gentle and take care not to inject the enema into the wall of the rectum.

The advantages are;

The disasvantages are;

Adrian P. Ireland