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Secretin stimulation test

Definition

The secretin stimulation test measures the ability of the pancreas to respond to a hormone called secretin. The small intestine produces secretin when partially digested food from the stomach moves into the area.

Alternative Names

Pancreatic function test

How the Test is Performed

The health care provider inserts a tube through your nose and into your stomach. The tube is then moved into the first part of the small intestine (duodenum). You are given secretin through a vein (intravenously). The fluids released from the pancreas into the duodenum are removed through the tube over the next 1 to 2 hours.

Sometimes, the fluid can be collected during an endoscopy.

How to Prepare for the Test

You will be asked to not eat or drink anything, including water, for 12 hours before the test.

How the Test will Feel

You may have a gagging feeling as the tube is inserted.

Why the Test is Performed

Secretin causes the pancreas to release a fluid that contains digestive enzymes. These enzymes break down food and help the body absorb nutrients.

The secretin stimulation test is done to check the digestive function of the pancreas. The following diseases may prevent the pancreas from working properly:

In these conditions, there may be a lack of digestive enzymes or other chemicals in the fluid that comes from the pancreas. This can reduce the body's ability to digest food and absorb nutrients.

Normal Results

Normal value ranges may vary slightly depending on the lab doing the test. Talk to your provider about the meaning of your specific test results.

What Abnormal Results Mean

Abnormal values may mean that the pancreas is not working properly.

Risks

There is a slight risk of the tube being placed through the windpipe and into the lungs, instead of through the esophagus and into the stomach.

References

Pandol SJ. Pancreatic secretion. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 10th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 56.

Semrad CE. Approach to the patient with diarrhea and malabsorption. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 140.

Review Date:12/1/2016
Reviewed By:Subodh K. Lal, MD, gastroenterologist with Gastrointestinal Specialists of Georgia, Austell, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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Health
Outcome Data

No data available for this condition/procedure.

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