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Clinical experience with three-in-one admixtures administered peripherally
This study shows that hyperosmolar (high-osmolarity) nutritionally complete solutions can be safely infused peripherally in surgical patients. This method offers a viable short-term nutritional support option, bridging patients to enteral therapy.
Area of Science:
- Clinical Nutrition
- Surgical Patient Care
- Parenteral Nutrition
Background:
- Parenteral nutrition is crucial for surgical patients unable to receive enteral feeding.
- Peripheral venous access is often preferred for short-term nutritional support.
- Hyperosmolar solutions typically require central venous access.
Purpose of the Study:
- To evaluate the tolerance of hyperosmolar (1200-1350 mOsm/L) nutritionally complete solutions administered peripherally.
- To assess the feasibility of using these solutions as a temporary nutritional bridge in surgical patients.
- To identify factors contributing to patient tolerance of peripheral infusion.
Main Methods:
- Administration of mixed fat, amino acid, and dextrose solutions to 23 surgical patients.
- Solutions provided approximately 40% of calories as carbohydrates.
- Direct measurement of final osmolarity with additives.
Main Results:
- Approximately 85% of patients demonstrated acceptable tolerance to the peripheral infusion technique.
- Factors potentially contributing to tolerance include IV fat buffering, higher amino acid pH, and heparin addition.
- Experienced clinicians supported the technique for short-term needs.
Conclusions:
- Hyperosmolar nutritionally complete solutions can be tolerated peripherally in surgical patients.
- This method serves as an effective bridge to enteral therapy for short-term nutritional requirements.
- The findings support the expanded use of peripheral parenteral nutrition in specific surgical contexts.
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