Also known as: antro-duodenal manometry.
What is antroduodenal manometry?
If a person has problems digesting food or passing it through the body, an antroduodenal manometry may be performed. This procedure involves passing a catheter into the antrum (lower part of the stomach) and duodenum (upper part of the small intestines) in order to check their function.
What happens during the procedure?
The catheter is inserted into the nose and guided into the stomach and intestines. The catheter has sensors along its length that measure pressure in the stomach and duodenum. Once the catheter is in place, it is taped to fix it in position. Then the patient rests for a bit prior to the measurements being taken. Measurement are taken for 4 to 5 hours, and then for another hour or two after the patient receives a meal.
Is any special preparation needed?
You’ll need to avoid food and drink for a set period of time before the procedure.
What are the risk factors?
Bleeding, infection, tearing of the stomach or intestines or equipment failure are possible complications of antroduodenal manometry.
Reviewed by: Carrie Firestone Baum, MD
This page was last updated on: 6/14/2018 2:29:03 PM
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