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Ventilatory function changes over a workshift.

Authors
  • Dimich, H D
  • Sterling, T D
Type
Published Article
Journal
British journal of industrial medicine
Publication Date
May 01, 1981
Volume
38
Issue
2
Pages
152–155
Identifiers
PMID: 7236540
Source
Medline
License
Unknown

Abstract

Thirty-four production workers at three chemical plants were tested for acute changes in lung function over the course of their three-day, twelve-hour workshift. Mean percentages of the predicted lung function indices (FVC, FEV, and FEF 25-75) showed a workshift decrement, particularly evident in the evening shift. A workweek effect was shown in that no recovery in mean %FEV1 and %FEF-25-75 was shown by the last working day. Diurnal variation in respiratory function was regarded as being only partly responsible for the observed workshift effect.

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