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[Calorie requirement after major abdominal surgery (author's transl)]
Langenbecks Archiv Fur Chirurgie
|June 26, 1979
Summary
Parenteral nutrition with a carbohydrate mixture (levulose, glucose, xylitol) supported post-abdominal surgery patients. While benign disease patients had positive nitrogen balance, malignant disease patients showed minimal nitrogen loss, with good glucose control and low urinary sugar excretion.
Area of Science:
- Clinical Nutrition
- Metabolic Studies
- Postoperative Care
Context:
- Major abdominal surgery necessitates nutritional support to optimize recovery.
- Parenteral nutrition (PN) is a critical intervention for patients unable to achieve adequate oral intake.
- Understanding the metabolic impact of specific PN formulations is essential for patient management.
Purpose:
- To evaluate the efficacy and metabolic effects of a specific parenteral nutrition regimen in patients recovering from major abdominal surgery.
- To assess nitrogen balance, glucose metabolism, and the utilization of carbohydrate substrates (levulose, glucose, xylitol) in this patient cohort.
Summary:
- Thirty-two patients received 6 days of PN, including a carbohydrate mixture (levulose:glucose:xylitol 2:1:1) and L-amino acids.
- Patients with benign diseases achieved positive nitrogen balance, while those with malignant diseases had balanced or slightly negative balances.
- Blood glucose levels remained stable without insulin requirement; urinary excretion of levulose, glucose, and xylitol was minimal (<4.1%). Complement levels (C3, C4) were reduced, and transferrin decreased in carcinoma patients.
Impact:
- The studied PN formulation appears safe and effective for short-term nutritional support after major abdominal surgery.
- The substrate utilization and metabolic profile suggest good tolerance of the levulose, glucose, and xylitol mixture.
- The observed changes in complement and transferrin warrant further investigation regarding their clinical significance in surgical patients.