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A cool response: the influence of ambient temperature on capillary refill time
Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Emergency Medicine.
Linköping University, Department of Medical and Health Sciences, Division of Drug Research. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Emergency Medicine. Region Östergötland, Heart and Medicine Center, Department of Dermatology and Venerology.
Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Disaster Medicine and Traumatology.ORCID iD: 0000-0003-3708-1978
Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Disaster Medicine and Traumatology.ORCID iD: 0000-0003-1383-375x
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2018 (English)In: Journal of Biophotonics, ISSN 1864-063X, E-ISSN 1864-0648Article in journal (Refereed) Published
Abstract [en]

Objective

To describe the effect of low ambient temperature on skin temperature and capillary refill (CR) time in forehead, sternum and finger pulp.

Methods

An observational, nonrandomized experimental study on 15 healthy subjects (6 females) in a cold room (8°C). Outcome measures were skin temperature and quantified CR test after application of a standardized blanching pressure (9 N/cm2) using digital photographic polarization spectroscopy to generate CR times.

Results

The finger pulp showed marked temperature fall and prolonged CR times (>10 seconds). The CR registrations of the forehead and sternum were more comparable to curves observed in a control material at room temperature, and skin temperature falls were less marked. CR times were not prolonged in forehead measurements. At the sternum, some individuals showed CR times beyond guideline recommendations despite only a marginal reduction in skin temperature.

Conclusions

Low ambient temperature is a strong independent factor for CR time at peripheral sites. Reservation about sternum as a site of measurement is warranted since cold provocation produced prolonged CR times in some individuals. We found that the forehead is the most thermostable of the 3 sites and thus the preferred site to avoid ambient temperature artifact in measuring CR time.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2018.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:liu:diva-145527DOI: 10.1002/jbio.201700371PubMedID: 29384267OAI: oai:DiVA.org:liu-145527DiVA, id: diva2:1187475
Available from: 2018-03-05 Created: 2018-03-05 Last updated: 2018-03-15Bibliographically approved

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Toll John, RaniHenricson, JoakimJunker, JohanJonson, Carl-OscarNilsson, GertBjörk Wilhelms, DanielAnderson, Chris D

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Toll John, RaniHenricson, JoakimJunker, JohanJonson, Carl-OscarNilsson, GertBjörk Wilhelms, DanielAnderson, Chris D
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Division of Neuro and Inflammation ScienceFaculty of Medicine and Health SciencesDepartment of Emergency MedicineDivision of Drug ResearchDepartment of Dermatology and VenerologyCenter for Disaster Medicine and TraumatologyBiomedical InstrumentationThe Institute of TechnologyDivision of Cell Biology
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Journal of Biophotonics
Atom and Molecular Physics and Optics

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