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Titolo:
SMALL AIRWAYS FUNCTION IN ALUMINUM AND STAINLESS-STEEL WELDERS
Autore:
NIELSEN J; DAHLQVIST M; WELINDER H; THOMASSEN Y; ALEXANDERSSON R; SKERFVING S;
Indirizzi:
UNIV LUND HOSP,INST OCCUPAT & ENVIRONM MED S-22185 LUND SWEDEN KAROLINSKA HOSP,DEPT OCCUPAT MED S-10401 STOCKHOLM 60 SWEDEN NATL INST OCCUPAT HLTH OSLO NORWAY
Titolo Testata:
International archives of occupational and environmental health
fascicolo: 2, volume: 65, anno: 1993,
pagine: 101 - 105
SICI:
0340-0131(1993)65:2<101:SAFIAA>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
RESPIRATORY SYMPTOMS; PULMONARY-FUNCTION; ARC WELDERS; LUNG-FUNCTION; MILD-STEEL; EXPOSURE; CHROMIUM; NICKEL; URINE;
Keywords:
VOLUME OF TRAPPED GAS; CLOSING, VOLUME; HYPERREACTIVITY; IMMUNOGLOBULIN-A; ALUMINUM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
33
Recensione:
Indirizzi per estratti:
Citazione:
J. Nielsen et al., "SMALL AIRWAYS FUNCTION IN ALUMINUM AND STAINLESS-STEEL WELDERS", International archives of occupational and environmental health, 65(2), 1993, pp. 101-105

Abstract

The effect of welding fumes on small airways was studied in 25 male subjects who welded in aluminium (Al) and to some extent also in stainless steel (SS). Despite a low exposure to welding fumes as compared tothe permissible exposure limits, excretion of Al in urine was found to be increased in all subjects (median value: 0.29 mmol/mol creatinineon Friday afternoon, as compared to an upper reference level of 0.10 mmol/mol creatinine). In addition, the welders displayed increased prevalences of work-related eye and airways (pharyngitis and non-specificbronchial hyperreactivity) symptoms, as compared to 25 matched controls. Short-term welders (less-than-or-equal-to 2.5 years) had more symptoms related to the upper airways than did long-term welders, which may indicate a selection. Spirometry, closing volume and volume of trapped gas (VTG) did not deviate. However, after methacholine inhalation, the long-term welders had a significantly steeper slope of the alveolar plateau on the single-breath nitrogen wash-out test, and a slight increase in VTG, as compared to the short-term welders and the controls. These findings may indicate a welding fume-induced increase in the reactivity of the small airways. Because Al welding was far more frequent than SS welding, an association with the former seems likely.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/11/20 alle ore 21:40:23