Rectal enema is a radiological examination of the large intestine using contrast medium to detect changes in the outline of the large intestine. How to prepare for this proctological examination and how does it proceed?

Rectal infusionis performed in case of suspicion of the colorectal proliferative process, inflammatory diseases of the large intestine or its obstruction, and other dysfunctions of this organ.

If you are pregnant or in the second phase of your menstrual cycle and you know you may have conceived, you should not undergo this test.

Rectal infusion: indications for the examination

The indication for this test is:

  • suspicion of colon proliferation
  • inflammatory diseases of the colon
  • colon diverticulosis
  • colon obstruction
  • Hirschsprung's disease

Rectal enema - preparation for the examination

The following recommendations may vary slightly depending on the testing facility, but are always aimed at clearing the colon of fecal masses.

The examination prior to the rectal enema is the rectal examination

  • stone fruit should not be eaten a week before the test
  • 2-3 days before the examination, follow a liquid, residue-free diet (tea with sugar, jelly, broths) to cleanse the intestine
  • the day before the examination and no meals should be eaten on the day of the examination, usually
  • laxatives are also taken - their type is decided by the referring doctor
  • you must not eat, drink or smoke on the day of the examination; before the examination, an enema is used, which is usually repeated until the water flowing from the anus is clear,
  • When the colon lesions are very large, oral administration of large amounts of fluid is used instead of enemas

In children, it is advisable to give a sedative. On the day of the examination, all medications taken on a regular basis should be taken.

Rectal enema: the course of the examination

The doctor introduces a contrast agent into the large intestine and then takes x-rays of the intestine.

The examination always begins with a radiological examination of the abdominal cavity to assess the state of preparationpatient for examination.

The single-contrast examination consists in filling the large intestine with a barite suspension and then emptying it, which allows to visualize the outlines of the organ and intestinal mucosa folds. The two-contrast test stretches the folds of the intestinal mucosa by introducing air and covering its surface with a thin layer of barite. In exceptional cases, the doctor may decide to administer the contrast to you orally. Then metoclopramide is given to speed up the peristalsis of the small intestine. After the suspension has passed the descending part of the colon, air is introduced through the rectal catheter. During the examination, the patient is turned from side to side to obtain contrast filling of the entire colon. The doctor takes pictures of you as you exhale. The test takes several dozen minutes.

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