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Thread: The Nutrition Support Pharmacist's Manual

  1. #21
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    Default The Nutrition Support Pharmacist's Manual

    Nutrition Care Algorithm

    The Nutrition Support Pharmacist's Manual-screen-shot-2016-08-01-at-10-39-21-am-png
    Last edited by admin; Mon 1st August '16 at 2:08pm.
    B.S. Pharm, West China School of Pharmacy, Class of 2007, Health System Pharmacist, RPh. Hematology, Infectious Disease. Chengdu, Sichuan, China.

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    Default Estimation of protein requirements

    Estimation of protein requirements

    Protein requirements, like energy requirements, are affected by metabolic stress, trauma, and disease. The type of protein required and the need for specific amino acids may additionally be altered by certain diseases. In general, though, if patients are receiving adequate kcal, protein requirements can be met by providing 1.0-1.5 G protein/kg/day.

    Protein-Kilocarlorie Ratio. Another traditional approach to estimating protein requirements is based on the concept that energy should be provided by lipids and carbohydrates, and protein intake should be reserved for synthesis requirement. Historically, many clinicians have calculated energy requirements to include only carbohydrates and lipids. Protein estimations were considered separately. For health individuals, the ratio of 1:200 (protein:kcal) is recommended. In individuals who have higher protein requirements, ratios range from 1:150 to 1:100.

    This subject is controversial and has fueled professional debate. No standardization of this process currently exists. It is important to realize that biochemistry does not support this practice, since it is known that certain cells use protein for fuel (e.g., enterocyte use of glutamine). Furthermore, overfeeding carbohydrates and lipids can jeopardize medical care by interfering with the function of the lungs, liver, and immune system. This approach is not superior to other systems of estimating protein requirements and does not serve any additional advantage in nutrition assessment.
    B.S. Pharm, West China School of Pharmacy, Class of 2007, Health System Pharmacist, RPh. Hematology, Infectious Disease. Chengdu, Sichuan, China.

    Blog: http://www.tomhsiung.com
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    Twitter: @TomHsiung
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