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Neonatal Infrared Axillary Thermometry

Department of Pediatrics, The Ohio State University, Columbus, Ohio; Children's Hospital, 700 Children's Drive, Columbus, Ohio 43205

Kimberlee Terry, BA

Department of Pediatrics, The Ohio State University, Columbus, Ohio

The authors compared axillary skin temperatures (AT) measured with an infrared (IR) thermometer (Lightouch Neonate, Exergen Corp) with rectal temperatures (RT) in 16 newly born term infants under radiant warmers (RW) and in cribs. Twelve stable, growing premature infants in incubators were also studied. This new device may be useful because of safety and rapid results (1 second), but clinical accuracy is unknown. For term infants, mean (SD) RT-AT difference was 0.1 (0.48)⁰C under RW and 0.25 (0.17)⁰C 2 hours later in cribs. For premature infants in incubators the mean RT-AT difference was 0.09 (0.16)C. Axillary temperatures measured by IR thermometer approximate RT for newly born term infants in cribs and stable premature infants in incubators. For newly born term infants under RW, RT-AT differences vary more widely, limiting clinical usefulness in this setting. The device, the unique age of this population, and the RW environment may play a role.

Clinical Pediatrics, Vol. 38, No. 1, 35-40 (1999)
DOI: 10.1177/000992289903800105


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