Our study demonstrates poor correlation between hemoglobin measured noninvasively by multiwavelength pulse oximetry and a laboratory hematology analyzer. The difference was greater when the pulse oximetry perfusion index was low, as may occur in shock, hypothermia, or vasoconstriction patients. The multiwavelength pulse oximetry is not sufficiently accurate for clinical use in a cardiovascular intensive care unit.
Bâ-Vinh Nguyen, Jean Louis Vincent, Emmanuel Nowak, Michelle Coat, N. Paleiron, Pierre Gouny, M. Ould-Ahmed, Maïté Guillouët, C. C. Arvieux, Gildas Bueret
Narcisse Ndieugnou Djangang, Pamela Ramunno, Antonio Izzi, Alessandra Garufi, Marco Menozzi, Daniela Diaferia, Lorenzo Peluso, Chiara Prezioso, Marta Talamonti, Hassane Njimi, Sophie Schuind, Jean Louis Vincent, Jacques Créteur, Fabio Silvio Taccone, Elisa Gouvêa Bogossian
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