PMID: 3758038Jan 1, 1986Paper

Some pathophysiological aspects of vibration-induced white finger

European Journal of Applied Physiology and Occupational Physiology
M Bovenzi

Abstract

The level of sympathetic nervous activity was assessed by evaluating cardiovascular responses to a cold test in 63 vibration-exposed workers (50 subjects without vibration white finger (VWF) and 13 subjects at stages 1 and 2 of VWF) and in 41 controls. Blood pressure, heart rate, systolic time intervals and the skin temperature of the third finger of the right hand were monitored throughout the cold test period. Basal urinary excretion of free catecholamines and platelet aggregation indices both in vitro and in vivo were also determined in all subjects. Systolic time intervals such as electromechanical systole index (QS2I) and left ventricular ejection time index (LVETI) were found to be shorter in the vibration-exposed workers with and without VWF than in the controls, both at rest and during cold exposure and recovery (p less than 0.001). A significant inverse relationship between urinary free catecholamines and the duration of LVETI was observed under resting conditions (p less than 0.03). The recovery rate of the basal finger skin temperature after local cooling was slower in vibration workers with VWF than in those without VWF (p less than 0.05) and in the controls (p less than 0.001). Platelet aggregation indices were sim...Continue Reading

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Citations

Jan 1, 1989·European Journal of Applied Physiology and Occupational Physiology·M Bovenzi
Apr 18, 1998·Cardiovascular Surgery : Official Journal of the International Society for Cardiovascular Surgery·I C ChetterR C Kester
Oct 6, 1997·Angiology·D Greenstein, R C Kester
Dec 26, 2018·Journal of Toxicology and Environmental Health. Part B, Critical Reviews·Kristine Krajnak
Nov 1, 1991·The Journal of Hand Surgery : Journal of the British Society for Surgery of the Hand·D GreensteinR C Kester
Jun 1, 1993·The British Journal of Surgery·R A Palmer, J Collin

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