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NIR and Optoacoustic Spectroscopy Cerebral Oximeters Aim to Save Preemies

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Cerebral near-infrared spectroscopy oximeters can alert physicians to premature infants’ exposure to hypoxia. As European researchers push to make this technology a standard clinical tool in neonatal intensive care units, an optoacoustic alternative is emerging.

JAMES SCHLETT, EDITOR, [email protected]

In 1985, a team of researchers at Duke University Medical Center in Durham, N.C., pointed out the incongruity that, while the goal of intensive care for preterm newborns is to ensure their brains were receiving sufficient oxygen, neonatal intensive care units (NICUs) lacked a direct, noninvasive way to measure cerebral oxygenation. Instead, NICU staff had to rely on indirect methods, such as monitoring blood-oxygen content and transcutaneous oxygen at sites far from the brain, usually the chest or foot. That compelled the researchers to combine near-infrared (NIR) light and spectroscopy as a...Read full article

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    BioPhotonics
    Sep 2016
    GLOSSARY
    near-infrared spectroscopy cerebral oximetry
    A monitoring technique used to measure the oxygen saturation levels in the brains of patients, commonly in operating room and neonatal intensive care unit settings. The technique, which is based on the Beer-Lambert law, involves the emission of near-infrared light from a probe placed on the patient's forehead and the detection of changes in that light's intensity as it is absorbed by the chromophores oxyhemoglobin, deoxyhemoglobin and cytochrome oxidase in brain tissue.
    cameraslasersimagingBiophotonicsspectroscopyJames Schlettcerebral oximetrycerebral oximetercerebral oxygenationhypoxiahypoxic-ischemic encephalopathyHIEperinatal asphyxiahyperoxianeonatal intensive care unitNICUpremature infantnear-infrared spectroscopyNIRSNIRCAS MedicalhamamatsuNonin Medical and MedtronicNoninvasixEquanoxFORE-SIGHTNIROINVOSSafeguarding the BrainS of Our Smallest ChildrenSafeBoosCFeaturesnear-infrared spectroscopy cerebral oximetry

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