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[Occurrence of nonspecific symptoms of irritation in workers exposed to latex].

The study included 17 female workers employed in latex glove rubber manufacturing plants. The mean age was 42 years and the mean duration of employment 19 years. Subjects were predominantly nonsmokers. A control group of 17 nonexposed workers was also studied. Chronic respiratory symptoms and diseases as well as acute work-related symptoms were recorded for these workers. Ventilatory capacity was measured by recording maximum expiratory flow-volume (MEFV) curves on which forced vital capacity (FVC), one second forced expiratory volume (FEV1) and maximum expiratory flow at 50% and the last 25% of the vital capacity (FEF50, FEF25) were read. Skin prick tests were performed with three types of latex (original material-latex 1, extract from gloves-latex 2, and extract of latex company Epypharm-latex 3). The prevalence of chronic respiratory symptoms was greater among latex workers (varying from 5.9% for occupational asthma to 58.8% for dyspnea) than among control workers (0%). There was a high prevalence of acute work-related symptoms, particularly for eye irritation (76.5%), dryness of the nose (70.6%), throat burning (70.6%), dryness of the throat (64.7%) and cough (58.8%). Measured ventilatory capacity data in latex workers were significantly lower in comparison to control, particularly for FEF25 (75.1 +/- 19.5%). Among latex gloves making workers one had positive skin reaction to latex 3 along with the symptoms of occupational asthma. Our data indicate that employment in latex making gloves may be associated with the development of occupational asthma, in addition to frequent nonspecific respiratory findings.