NDLI: Interethnic differences at the thermometric response to cold test: functional disorders of blood circulation in hand fingers and exposure to hand

Content Provider	Springer Nature Link
Author	Riolfi, A. Princivalle, A. Romeo, L. Caramaschi, P. Perbellini, L.
Copyright Year	2007
Abstract	To report some notable aspects regarding thermometric response to cold test in black African subjects compared with Caucasians: both groups comprised persons exposed to hand–arm vibration and controls.An overall sample of 48 workers was examined in order to study their blood circulation in hand fingers: a control group of 12 healthy Caucasian workers never exposed before to hand–arm vibration; 12 Caucasian workers exposed for several years to vibrating tools and affected by occupational Raynaud’s phenomenon; 12 healthy black African workers exposed to hand–arm vibration for almost 3 years; and 12 healthy black African workers never exposed to hand–arm vibration. Computerized skin thermometry was performed and thermometric curves were analyzed according to thermometric interpretation criteria such as the area-over-curve (AOC), the fifth minute of recovery/baseline temperature ratio (5REC/BT) and the temperature at the tenth minute of recovery (10REC) after cold test.Thermometric parameters in Caucasian subjects confirmed the basis of the existing literature in controls (basal finger temperature higher than 32°C and complete recovery to the initial temperature after the cold test) and also in patients with Raynaud’s phenomenon (basal temperature often lower than control subjects and slow recovery of finger temperature after cold test). Statistically significant difference was found between healthy Caucasians and healthy black subjects in all the parameters tested: healthy black subjects showed values of AOC and 10REC suggesting almost constantly lower finger temperatures during the thermometry test. Black people, both exposed and non-exposed to hand–arm vibration showed thermometric parameters suggesting poor blood microcirculation, which seems even poorer than in Caucasian people complaining Raynaud’s phenomenon.Our chronothermometric tests suggest some significant interethnic differences in peripheral microcirculation, which seems rather poor in black African subjects in comparison with Caucasians.
Starting Page	473
Ending Page	478
Page Count	6
File Format	PDF
ISSN	03400131
Journal	International Archives of Occupational and Environmental Health
Volume Number	81
Issue Number	4
e-ISSN	14321246
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-08-15
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Interethnic differences Chronothermometric test Hand–arm vibration Peripheral microcirculation Rehabilitation Environmental Health Occupational Medicine/Industrial Medicine
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health

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