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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Calibration of a prototype NIRS oximeter against two commercial devices on a blood-lipid phantom

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In a blood-lipid liquid phantom the prototype near-infrared spectroscopy oximeter OxyPrem was calibrated against the INVOS® 5100c adult sensor in respect to values of regional tissue oxygen haemoglobin saturation (rStO2) for possible inclusion in the randomised clinical trial - SafeBoosC. In addition different commercial NIRS oximeters were compared on changing haemoglobin oxygen saturation and compared against co-oximetry. The best calibration was achieved with a simple offset and a linear scaling of the OxyPrem rStO2 values. The INVOS adult and pediatric sensor gave systematically different values, while the difference between the NIRO® 300 and the two INVOS sensors were magnitude dependent. The co-oximetry proved unreliable on such low haemoglobin and high Intralipid levels.
Original languageEnglish
JournalBiomedical optics express
Volume4
Issue number9
Pages (from-to)1662-72
Number of pages11
DOIs
Publication statusPublished - 2013

ID: 41779065