Cold vasodilatation and cold acclimatization in the hands of British fish filleters

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Abstract
The duration of vasoconstriction and magnitude of cold vasodilatation of 11 experienced fish filleters was compared with 9 controls by immersion of the left hand in stirred ice and water mixtures. Vasodilatation occurred significantly earlier in the filleters, whose hand skin temperatures were significantly higher during immersion, in both the initial vasoconstriction and after vasodilatation. Results similar in some respects were obtained by immersion of the hands in water initially at 5 C. Several of the controls fainted and all were distressed, whereas most of the filleters were unaffected by the cold water. The difference is considered to show the characteristics of acclimatization, and the fact that the filleters are accustomed to working with their hands in very cold water is considered to be the stress producing the acclimatization response. Submitted on July 31, 1961

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