Abstract
102 patients with vibration disease (mean age 46 +/- 7, length of service in different jobs using vibration tools 17 +/- 7 years) were studied. Plasma electrolytes and trace elements (sodium, potassium, calcium, magnesium, phosphorus, chloride, iron, copper, zinc, cobalt and manganese) and plasma osmolality were investigated, as well as some specific tests indicative of vibration exposure--cold provocation test, vibration sense, thermoasymmetry (left/right hand), skin electric resistance and hand and finger blood flow (Doppler-ultrasound sonometry). In a large number of patients increased values for the following variables were found--magnesium in 43%, zinc in 45%, cobalt in 57%, manganese in 70% and plasma osmolality in 66%. It is suggested that vibration affects mineral metabolism. However, these disturbances in mineral metabolism are secondary to other pathological changes in the body.
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