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  • Title: Neurobehavioral functions in operating theatre personnel exposed to anesthetic gases.
    Author: Lucchini R, Toffoletto F, Camerino D, Fazioli R, Ghittori S, Gilioli R, Signorini A, Alessio L.
    Journal: Med Lav; 1995; 86(1):27-33. PubMed ID: 7791661.
    Abstract:
    Neurobehavioral functions in paramedical operating theatre personnel were assessed in a cross-sectional survey. Sixty-two subjects (40 males and 22 females) occupationally exposed to anesthetic gases were examined and compared to 46 unexposed hospital workers (18 males and 28 females). The Simple Reaction Time (SRT) test was selected from the MANS battery (Milan Automated Neurobehavioural System). In order to evaluate acute and subacute types of effects on performance, the test was administered before and after the work shift, at the beginning and at the end of the working week. In addition, the complete battery was administered during one working day without exposure to anesthetic gases. On the last day of the working week, atmospheric nitrous oxide (N2Oa) ranged from 7 to 553 ppm (geometric mean 62.6), atmospheric ethrane (ETHa) ranged from 0.1 to 18.8 ppm (geometric mean 1.3), and urinary N2O (N2Ou) ranged from 4 to 297 micrograms/l (geometric mean 26.8). An impairment of performance on the SRT test was observed at the end of the working week in subjects exposed to anesthetic gases compared to controls. This alteration was observed also considering only the subjects exposed to less than 55 micrograms/l (which is the Italian exposure limit for N2Ou, equivalent to 100 ppm for N2Oa). No significant differences were observed for the other psychometric tests. No dose-effect relationships where found between SRT test score and the indicators of exposure (N2Oa, ETHa, N2Ou).(ABSTRACT TRUNCATED AT 250 WORDS)
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