Resumo

GARCIA, Mario Javier. Allowable blood loss. Rev. colomb. anestesiol. [online]. 2009, vol.37, n.3, pp.255-262. ISSN 0120-3347.

This article proposes a simple, mathematically-derived formula which could be used for calculating allowable blood loss. Authors have used lineal approaches in many models found in the medical literature; this introduces an important inaccuracy into such prediction. An exponential approach is deduced and explained in the model proposed here which is considered to be much closer to reality than that obtained with the lineal model. More emphasis is placed on the fact that while a patient is losing blood, he/she is simultaneously receiving fluids to keep total blood volume almost constant.

Palavras-chave : surgical blood losses; mathematical model; anesthesia.

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