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Br J Ind Med. 1975 November; 32(4): 283–288.
PMCID: PMC1008077

Lung function in textile workers.


Acute changes in ventilatory function during a workshift with exposure to hemp, flax, and cotton dust were measured on Mondays in a group of 61 textile workers, all working on carding machines. In addition, single-breath diffusing capacity (DLCOSB) was measured before dust exposure on Monday in 30 of the 61 workers. Large acute reductions during dust exposure were recorded in maximum expiratory flow rate at 50% VC (MEF50%), ranging from 38 to 22%. Acute reductions of FEV1-0 were considerably smaller, ranging from 17 to 9%. There was a statistically significant increase in residual volume (RV) with very small and insignificant changes in total lung capacity (TLC). Although preshift FEV1-0 and FVC were decreased, DLCOSB was within normal limits. Plethysmographic measurements in six healthy volunteers exposed to hemp-dust extract confirmed the results obtained in textile workers, that is, that TLC does not change significantly during dust-induced airway constriction and that maximum expiratory flow rate at 50% VC (MEF50%) is a more sensitive test than FEV1-0 in detecting acute ventilatory changes caused by the dust extract.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • KORY RC, CALLAHAN R, BOREN HG, SYNER JC. The Veterans Administration-Army cooperative study of pulmonary function. I. Clinical spirometry in normal men. Am J Med. 1961 Feb;30:243–258. [PubMed]
  • Lopez Merino V, Llopis Lombart R, Flores Marco R, Barbero Carnicero A, Gomez Guillen F, Bouhuys A. Arterial blood gas tensions and lung function during acute responses to hemp dust. Am Rev Respir Dis. 1973 May;107(5):809–815. [PubMed]
  • Peters JM, Mead J, Van Ganse WF. A simple flow-volume device for measuring ventilatory function in the field. Results on workers exposed to low levels of toluene diisocyanate. Am Rev Respir Dis. 1969 Apr;99(4):617–622. [PubMed]
  • Virgulto J, Bouhuys A. Electronic circuits for recording of maximum expiratory flow-volume (MEFV) curves. J Appl Physiol. 1973 Jul;35(1):145–147. [PubMed]
  • Zuskin E, Valić F. Respiratory response in simultaneous exposure to flax and hemp dust. Br J Ind Med. 1973 Oct;30(4):375–380. [PMC free article] [PubMed]

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