Bourne test

Bourne Test

The Bourne Test is a diagnostic procedure used in the field of medicine to assess the function of the gastrointestinal tract, particularly focusing on the stomach and small intestine. This test is named after Dr. John Bourne, who first described the procedure in the early 20th century. It is primarily used to evaluate patients with symptoms of malabsorption and other digestive disorders.

History

The Bourne Test was developed in the 1920s by Dr. John Bourne, a pioneering gastroenterologist. His work laid the foundation for modern diagnostic techniques in gastroenterology. The test was initially used to diagnose celiac disease and other conditions that affect nutrient absorption.

Procedure

The Bourne Test involves the administration of a specific test meal, followed by the collection of samples from the patient's stomach and duodenum. The test meal typically contains a known quantity of carbohydrates, proteins, and fats. After ingestion, samples are collected at regular intervals to measure the rate of digestion and absorption.

Preparation

Patients are usually required to fast for 8-12 hours before the test. They may also need to avoid certain medications that could interfere with the results.

Test Meal

The test meal is designed to mimic a typical diet and includes:

• 50 grams of carbohydrates
• 30 grams of proteins
• 20 grams of fats

Sample Collection

Samples are collected using a nasogastric tube or an endoscope. The samples are analyzed for:

• pH levels
• Enzyme activity
• Nutrient absorption rates

Interpretation of Results

The results of the Bourne Test can indicate various conditions:

• Normal Results: Indicate normal digestive function.
• Delayed Gastric Emptying: May suggest gastroparesis.
• Malabsorption: Could indicate conditions like celiac disease or Crohn's disease.

Clinical Significance

The Bourne Test is valuable in diagnosing and managing conditions that affect the digestive system. It helps in tailoring dietary and medical interventions for patients with malabsorption syndromes.

Limitations

While the Bourne Test provides useful information, it is invasive and may not be suitable for all patients. Non-invasive alternatives, such as breath tests, are often preferred.

Also see

• Celiac Disease
• Gastroparesis
• Malabsorption
• Endoscopy
• Nasogastric Intubation