Patients with a high jejunostomy do not need a special diet

Area of Science:

• Gastroenterology
• Nutritional Science
• Surgical Nutrition

Background:

• Patients with extensive jejunal resections often require specialized nutritional support.
• Understanding nutrient absorption is critical for managing patients with high jejunostomies.

Purpose of the Study:

• To compare nutrient absorption from a chemically defined liquid diet versus a polymeric liquid diet in patients with short bowel syndrome.
• To evaluate the impact of varying solid food diets on absorption in this patient population.

Main Methods:

• Seven patients with less than 150 cm of jejunum underwent absorption studies with two liquid diets (chemically defined vs. polymeric).
• Four patients also compared absorption from three solid food diets with differing fat and fiber content.

Main Results:

• No significant differences in percentage absorption of calories, nitrogen, or fat were observed between the liquid diets.
• Solid food diets also showed no consistent absorption differences.
• Absolute fat loss correlated with intake but was not detrimental; electrolyte supplementation, particularly sodium and magnesium, was frequently required.

Conclusions:

• Chemically defined liquid diets do not offer superior absorption compared to polymeric diets in patients with high jejunostomies.
• Dietary fat and fiber content can be managed liberally.
• Supplementation of electrolytes like sodium and magnesium is crucial for these patients.