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AGE-EXPERIENCE CHANGES IN BLOODCIRCULATION OF ELECTRICITY DISTRIBUTION NETWORK CONTROLLERS UNDER ROTATION OF THE SHIFTS OF DIFFERENT TIRESOMENESS

DOI xxxxxxxx

Bobko N.A.

AGE-EXPERIENCE CHANGES IN BLOODCIRCULATION OF ELECTRICITY DISTRIBUTION NETWORK CONTROLLERS UNDER ROTATION OF THE SHIFTS OF DIFFERENT TIRESOMENESS

SI «Institute for Occupational Health of AMS of Ukraine», Kyiv

Full article (PDF), RUS

BP and HR were measured in electricity distribution network controllers under 2-day rota-tion of 12-hour shifts (1224 human-investigations). Controllers evaluated fatigue using a 5-anchor scale. It is revealed, that fatigue leads to the deforma-tion of the bloodcirculation circadian rhythms. Working at the second night shifts ages the CVS to the most pro-nounced extent. Under tiresome day work the most expressed is growth in both the para-sympathetic regulation and insufficiency in bloodcirculation; under tiresome night work the most expressed is ageing in self-regulation of bloodcirculation (the contri-bution of cardiac part decreases and the contribution of a vascular part increases); under unfatiguing work (except for the first day shifts) with an increase in age and experience the part of sympathetic influences in bloodcirculation regulation increas¬es, that testifies the in-fringement of biologically expedient mechanism of the raised safety of the heart function during the ontogenesis. The revealed regularities actualize the development of special re-gimes of work and rest considering age, work experience, shift tiresomeness and shift po-sition within the week schedule.

Key words: bloodcirculation, shift work, age, experience, fatigue

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