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Total nutrient admixtures: theory and practice

D F Driscoll

    Nutrition in Clinical Practice : Official Publication of the American Society for Parenteral and Enteral Nutrition
    |June 1, 1995
    PubMed
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    Total nutrient admixtures (TNA) simplify complex nutritional therapy by providing all necessary nutrients in one container. This review explores physicochemical factors influencing TNA emulsion stability for improved clinical practice.

    Area of Science:

    • Nutritional Science
    • Pharmaceutical Sciences
    • Clinical Pharmacy

    Background:

    • Total Nutrient Admixtures (TNA) have seen increased use in clinical and home care since 1983.
    • TNA simplifies nutritional therapy by providing all nutrients in a single container, meeting patient goals.
    • This approach reduces the need for multiple venous catheters and co-infusions, simplifying complex treatments.

    Purpose of the Study:

    • To review the physicochemical variables impacting the stability of Total Nutrient Admixtures (TNA).
    • To correlate emulsion stability factors with practical clinical applications of TNA.
    • To provide insights into optimizing TNA therapy based on scientific principles.

    Main Methods:

    • Literature review of studies on TNA formulation and stability.

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  • Analysis of physicochemical properties affecting emulsion stability in TNA.
  • Correlation of theoretical stability data with clinical observations and practices.

    • Main Results:

    • Physicochemical factors such as pH, temperature, and electrolyte content significantly influence TNA emulsion stability.
    • Incompatibility of certain ingredients can lead to phase separation and reduced efficacy.
    • Understanding these variables is crucial for maintaining TNA integrity and therapeutic benefit.

    Conclusions:

    • TNA therapy is a successful and beneficial method for nutritional support.
    • Adherence to specific physicochemical parameters is essential for ensuring TNA stability and patient safety.
    • Further research into TNA stability can lead to improved formulations and clinical outcomes.