Identifier to cite or link to this item: http://hdl.handle.net/20.500.13003/16984
Capnography as a tool to detect metabolic changes in patients cared for in the emergency setting
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Document typereview article
CitationCereceda-Sanchez FJ, Molina-Mula J. Capnography as a tool to detect metabolic changes in patients cared for in the emergency setting. Rev Latino-Am Enfermagem. 2017;25:e2885.
Objective: to evaluate the usefulness of capnography for the detection of metabolic changes in spontaneous breathing patients, in the emergency and intensive care settings. Methods: in-depth and structured bibliographical search in the databases EBSCOhost, Virtual Health Library, PubMed, Cochrane Library, among others, identifying studies that assessed the relationship between capnography values and the variables involved in blood acid-base balance. Results: 19 studies were found, two were reviews and 17 were observational studies. In nine studies, capnography values were correlated with carbon dioxide (CO2), eight with bicarbonate (HCO3), three with lactate, and four with blood pH. Conclusions: most studies have found a good correlation between capnography values and blood biomarkers, suggesting the usefulness of this parameter to detect patients at risk of severe metabolic change, in a fast, economical and accurate way.