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Journal of Occupational & Environmental Medicine:
doi: 10.1097/JOM.0b013e31825461f4
Original Articles

Work-Related Health Effects in Swine Building Workers After Respiratory Protection Use

Bønløkke, Jakob Hjort MD; Veillette, Marc MSc; Mériaux, Anne BSc; Duchaine, Caroline PhD; Cormier, Yvon MD

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Abstract

Objective: To compare inflammation and lung function in swine workers after periods with and without respiratory protection during work.

Methods: Twenty-three workers were examined before and after two nonprotected work shifts. One shift was preceded by a period with diminished exposure by use of respirators. The other shift was preceded by an unprotected period of work.

Results: Endotoxin concentrations were similarly high (24,636 and 28,775 endotoxin units/m3). A 3.1% cross-shift decline in forced vital capacity occurred after the period with respiratory protection (P = 0.01). Blood leukocytes increased more (P = 0.01) and bactericidal/permeability-increasing protein was reduced (P = 0.015) only after the period with respiratory protection. Plasma interleukin-6 increased (P < 0.0001) during both visits.

Conclusion: Respiratory protection resulted in cross-shift inflammatory and respiratory reactions at return to unprotected work.

©2012The American College of Occupational and Environmental Medicine

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