Among patients who require nutritional resuscitation

Discussion in 'MRCS Forum' started by Lona., Dec 6, 2007.

  1. Lona.

    Lona. Guest

    Among patients who require nutritional resuscitation in an intensive care unit, the best evidence that nutritional support is adequate is-
    a- Urinary nitrogen excretion level
    b- Total serum protein level
    c- Serum albumin level
    d- Serum transferrin level
    e- Respiratory quotient
  2. Lona.

    Lona. Guest

    Answer: c. (Schwartz, 7/e, pp 36-46) The serum albumin level provides a rough estimate of protein nutritional adequacy. The accuracy of this estimate is affected by the long half-life albumin (3 weeks) and the vagaries of hemodilution. The acute-phase serum proteins have a very short half-life (hours) and may also provide good short-term indications of nutritional status. Transferrin is one of these acute-phase proteins, but unfortunately its levels too are influenced by changes in intravascular volume and along with the other acute-phase reactions, rise nonspecifically during acute illness. All the listed responses provide some useful information about nutrition and adequacy of replacement.

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