Document Detail


Accuracy and precision of noninvasive temperature measurement in adult intensive care patients.
MedLine Citation:
PMID:  17724246     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Research on the accuracy and precision of noninvasive methods of measuring body temperature is equivocal. OBJECTIVES: To determine accuracy and precision of oral, ear-based, temporal artery, and axillary temperature measurements compared with pulmonary artery temperature. METHODS: Repeated-measures design conducted for 6 months. Sequential temperature measurements on the same side of the body were obtained within 1 minute, with measurements repeated 3 times at 20-minute intervals. Accuracy, precision, and confidence limits were analyzed. RESULTS: In 60 adults with cardiopulmonary disease and a pulmonary artery catheter, mean pulmonary artery temperature was 37.1 degrees C (SD 0.6 degrees C, range 35.3 degrees C-39.4 degrees C). Mean (SD) offset from pulmonary artery temperature (with the mean reflecting accuracy and SD reflecting precision) and confidence limits were 0.09 degrees C (0.43 degrees C) and -0.75 degrees C to 0.93 degrees C for oral measurements, -0.36 degrees C (0.56 degrees C) and -1.46 degrees C to 0.74 degrees C for ear measurements, -0.02 degrees C (0.47 degrees C) and -0.92 degrees C to 0.88 degrees C for temporal artery measurements, and 0.23 degrees C (0.44 degrees C) and -0.64 degrees C to 1.12 degrees C for axillary measurements. Percentage of pairs with differences greater than +/-0.5 degrees C was 19% for oral, 49% for ear, 20% for temporal artery, and 27% for axillary measurements. Intubation increased oral measurements compared with pulmonary artery temperatures (mean difference 0.3 degrees C, SD 0.3 degrees C, P = .001). CONCLUSIONS: Oral and temporal artery measurements were most accurate and precise. Axillary measurements underestimated pulmonary artery temperature. Ear measurements were least accurate and precise. Intubation affected the accuracy of oral measurements; diaphoresis and airflow across the face may affect temporal artery measurements.
Authors:
Lari Lawson; Elizabeth J Bridges; Isabelle Ballou; Ruthe Eraker; Sheryl Greco; Janie Shively; Vanessa Sochulak
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Publication Detail:
Type:  Journal Article; Validation Studies    
Journal Detail:
Title:  American journal of critical care : an official publication, American Association of Critical-Care Nurses     Volume:  16     ISSN:  1062-3264     ISO Abbreviation:  Am. J. Crit. Care     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-08-28     Completed Date:  2007-11-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9211547     Medline TA:  Am J Crit Care     Country:  United States    
Other Details:
Languages:  eng     Pagination:  485-96     Citation Subset:  IM; N    
Affiliation:
University of Washington Medical Center, 1959 NE Pacific Street, Seattle, WA 98195, USA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Body Temperature*
Female
Humans
Intensive Care Units*
Male
Middle Aged
Thermometers / standards*
Washington

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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