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Reference: Ciaffoni, L, O'Neill, D, Couper, JH et al., (2016). In-airway molecular flow sensing: A new technology for continuous, noninvasive monitoring of oxygen consumption in critical care. Science Advances, 2 (8), e1600560.Citable link to this page:

 

In-airway molecular flow sensing: A new technology for continuous, noninvasive monitoring of oxygen consumption in critical care.

Abstract: There are no satisfactory methods for monitoring oxygen consumption in critical care. To address this, we adapted laser absorption spectroscopy to provide measurements of O2, CO2, and water vapor within the airway every 10 ms. The analyzer is integrated within a novel respiratory flow meter that is an order of magnitude more precise than other flow meters. Such precision, coupled with the accurate alignment of gas concentrations with respiratory flow, makes possible the determination of O2 consumption by direct integration over time of the product of O2 concentration and flow. The precision is illustrated by integrating the balance gas (N2 plus Ar) flow and showing that this exchange wasnear zero. Measured O2 consumption changed by



Autor: Ciaffoni, L - Oxford, MPLS, Chemistry, Physical and Theoretical Chem - - - O'Neill, D - Oxford, MSD, Physiology Anatomy and G

Fuente: https://ora.ox.ac.uk/objects/uuid:5112ff3f-dcd5-4675-9f2b-d9dbf5540bd8



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