Correlations between certain hearing changes and vegetative balance in miners.

This study responds to the priorities of the National Health Strategy aimed at control and mitigation of the hazardous effects of the workplace factors on cardio-vascular diseases of people in active working age from the branch "Mining industry". The aim of this work is to study the vegetative balance (by analysis of heart rate variability--AHRV) and the correlations with the state of miners' hearing functions. Sixty eight miners (diggers and mate-diggers) from mining industry were studied.