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Updated: Feb 12, 2026
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Transcutaneous Microcirculatory Imaging in Preterm Neonates
Published on: December 31, 2015
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Comparison of Axillary and Temporal Artery Thermometry in Preterm Neonates
Summary
Infrared temporal artery thermometry is as accurate as axillary thermometry for preterm neonates. This method also saves nursing time in the neonatal intensive care unit (NICU).
Area of Science:
- Neonatal care and thermoregulation
- Medical device accuracy and efficiency
Background:
- Accurate temperature monitoring is critical for preterm neonates.
- Traditional axillary thermometry can be time-consuming and potentially less accurate in this population.
Purpose of the Study:
- To compare the accuracy of infrared temporal artery thermometry versus axillary thermometry.
- To evaluate the time efficiency of each method in preterm neonates (28-36 weeks postmenstrual age).
Main Methods:
- A descriptive, repeated measures design was employed with randomization of temperature measurement order.
- Sixty-eight preterm neonates underwent paired temperature measurements using both axillary and temporal artery methods.
- Behavioral states were assessed to control for potential confounding factors.
Main Results:
- Temporal artery thermometry demonstrated noninferior accuracy compared to axillary thermometry (p < .001).
- No statistically significant differences in neonatal behavioral states were observed between the methods.
- Nurses took significantly less time to obtain temperature readings using the temporal artery method (p < .001).
Conclusions:
- Infrared temporal artery thermometry is a valid and accurate alternative to axillary thermometry for preterm neonates in the NICU.
- The temporal artery method offers a significant time-saving advantage for nursing staff.
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