The precision of the novel diagnostic near-infrared spectroscopy (NIRS) device for the measurement of tissue oxygenation and hemoglobin concentration (OxyPrem) is assessed by repeated measurements. The accuracy of OxyPrem is assessed by comparing the measurement data to those acquired simultaneously by established NIRS devices and standard clinical monitoring devices. In substudy 1, healthy adult subjects are enrolled, in substudy 2, measurements are conducted on preterm neonates.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
117
The precision of OxyPrem is assessed by repeated measurements of tissue oxygenation and hemoglobin concentration. The accuracy of OxyPrem is assessed by comparing the measurement data to those acquired simultaneously by established NIRS devices and standard clinical monitoring devices. In substudy 1, healthy adult subjects are enrolled, in substudy 2, measurements are conducted on preterm neonates.
University Hospital of Zurich
Zurich, Canton of Zurich, Switzerland
Standard deviation of repeated StO2 level measurements (precision)
The precision of the StO2 measurement is the reproducibility within multiple consecutive measurements under similar conditions, expressed as the standard deviation of repeated measurements.
Time frame: baseline
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