Control gravimétrico en la nutrición parenteral: de la teoría a la práctica
2011
Objective. To assess the usefulness of establishing a routine gravimetric as quality assurance after the development of parenteral nutrition (PN) with a gravimetric error less than ±5%.
Material and Methods. Prospective study in which 5 to 8 large volume PN were weighed daily during 2 months and for 4 months all small volume PN, considering this the real weight. The theoretical weight was calculated taking into account the densities, volumes of all products used in processing and the weight of the bags used. The gravimetric error was calculated as a percentage compared to the theoretical weight.
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