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Thermal response after cold-water provocation of hands in healthy young men
Luleå tekniska universitet, Institutionen för hälsovetenskap, Medicinsk vetenskap.
Luleå tekniska universitet, Institutionen för hälsovetenskap, Medicinsk vetenskap.ORCID-id: 0000-0002-1655-6658
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik. Performance in Cold AB, Luleå.
Heart Centre, Clinical Physiology, Department of Surgical and Perioperative Sciences, Umeå University.
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Antal upphovsmän: 62015 (Engelska)Ingår i: Thermology International, ISSN 1560-604X, Vol. 25, nr 2, s. 48-53Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The thermal response in hands provoked by cold water was investigated with infrared thermography. In 26 healthy young men, the response of hand skin temperature to cold water provocation was measured twice on consecutive days. An infrared thermographic camera was used and data were processed in real time. The software divides each hand into 18 predefined regions of interest (ROI). The average temperature in each ROI was stored every 10th second. Baseline hand skin temperature was recorded for two minutes. The bare hands were then immersed for 30 seconds in water at 10°C × 0.5°C and carefully dried. Thereafter, the cooled and final hand skin temperature was measured. The baseline showed a higher average temperature of 0.3°C on day 2 and the 95% limits of agreement (LOA) were - 5.2-5.8, the cooled average temperatures showed no significant difference between the two days (LOA: - 4.8-4.6) and the average final hand skin temperature was 0.8°C higher on day 2 (LOA: - 5.2-6.4). In conclusion, there was variability between the two measurements, small differences in the temperature response to the reaction to cold-water provocation - probably due to Day 1 stress factor.

Ort, förlag, år, upplaga, sidor
2015. Vol. 25, nr 2, s. 48-53
Nationell ämneskategori
Annan hälsovetenskap
Forskningsämne
Hälsovetenskap
Identifikatorer
URN: urn:nbn:se:ltu:diva-2973Scopus ID: 2-s2.0-85004011406Lokalt ID: 0b7f1b85-c28d-4031-8b3b-2715eb8a79d9OAI: oai:DiVA.org:ltu-2973DiVA, id: diva2:975828
Anmärkning

Validerad; 2015; Nivå 1; 20150521 (nikle)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-03-05Bibliografiskt granskad
Ingår i avhandling
1. Evaluation of hand skin temperature: Infrared thermography in combination with cold stress tests
Öppna denna publikation i ny flik eller fönster >>Evaluation of hand skin temperature: Infrared thermography in combination with cold stress tests
2017 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

Abstract

Since ancient times, warm or cold skin on the human body has been used as a parameter in evaluating health. Changes in body temperature are attributed to diseases or disorders. The assessment of body temperature is often performed to measure fever by detecting an elevated core temperature. With techniques such as infrared thermography, it is possible to perform a non-contact temperature measurement on a large surface area. The overall aim of this thesis was to contribute to a better understanding of the hand skin temperature variability in healthy persons and in persons experiencing whitening fingers (WF).

The enclosed four papers discuss issues such as thermal variability response to cold stress test (CST) in repeated investigations; the specific rewarming pattern after CST; the difference between the hand’s palmar and dorsal temperatures; and evaluating skin temperatures and response to CST in participants with WF and healthy participants. All four papers used an experimental approach involving healthy males (I-III) and females (III) as well as individuals with (IV) and without WF (I-IV). Data were generated using dynamic infrared imaging before and after a CST. The radiometric images were analyzed using image analysis and statistics.

The study showed that: (I) there is variability in hand skin temperature; (II) there are cold and warm hand skin temperature response patterns; (III) the skin temperatures on the palmar and dorsal sides of the hand are closely related; and (IV) a baseline hand skin temperature measurement can distinguish between whitening fingers and controls.

The conclusion of this thesis is that it is necessary to engage in thorough planning before an investigation in order to choose the most adequate method for evaluating peripheral skin temperature response depending on the question asked.

Ort, förlag, år, upplaga, sidor
Luleå tekniska universitet, 2017. s. 55
Serie
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
Nyckelord
cold provocation, rewarming, thermoregulation, dynamic IR thermography
Nationell ämneskategori
Annan hälsovetenskap
Forskningsämne
Hälsovetenskap
Identifikatorer
urn:nbn:se:ltu:diva-63216 (URN)978-91-7583-900-4 (ISBN)978-91-7583-901-1 (ISBN)
Disputation
2017-06-02, D770 Deltasalen, Luleå tekniska universitet, Luleå, 10:00
Opponent
Handledare
Tillgänglig från: 2017-05-03 Skapad: 2017-05-02 Senast uppdaterad: 2018-08-31Bibliografiskt granskad

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