Spirometry pattern and respiratory symptoms in sweepers

AUTHORS

Hadi Eshaghi Sani 1 , Mona Najaf Najafi 2 , Hamid Sharifi 3 , *

1 Department of Occupational Medicine, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.

2 Department of Community of Medicine, Clinical Research Unit, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

3 Rezident, Department of Occupational Medicine, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.

How to Cite: Eshaghi Sani H , Najaf Najafi M , Sharifi H . Spirometry pattern and respiratory symptoms in sweepers, Hormozgan Med J. 2017 ; 21(4):e87355. doi: 10.29252/hmj.21.4.271.

ARTICLE INFORMATION

Hormozgan Medical Journal: 21 (4); e87355
Published Online: January 27, 2018
Article Type: Research Article
Received: February 28, 2017
Accepted: January 27, 2018
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Abstract

Introduction: Multiple and sometimes contradictory evidence exists on the relationship
between dust exposure and respiratory symptoms with pulmonary disorders. The study
was conducted to examine the effects of chronic exposure to street dust on the pulmonary
parameters and respiratory complaints in sweepers.
Methods: This cross-sectional study was conducted on 100 sweepers working in district
3 Bandar Abbas municipality in 2014. The control group was selected from the staff of
the same municipality with an office/administrative position who lacked occupational
respiratory exposures. In order to investigate pulmonary parameters, spirometry with
Spirolab MIR3 were performed and FVC, FEV1, FEV1/FVC, PEF and FEF25-75
parameters were measured. Data were analyzed using STATA 12 software. Two Way
ANOVA was used to compare respiratory parameters between two groups.
Results: Prevalence of respiratory symptoms including cough, sputum, shortness of
breath and wheezing had no significant differences in two groups. Values of FEV1,
FEF25-75 and PEF showed significant decrease when adjusted for the effect of smoking
on sweeper compared with administrative personnel (P<0.05). There were no statistically
significant differences between two groups and other variables of FVC and FEV1/FVC.
Conclusion: It seems that sweepers cleaning street, who are constantly exposed to dust,
are at risk of developing respiratory symptoms and decline in spirometric indices. It is
useful to apply protective measures to prevent exposure to dust and to perform annual
spirometry for early detection of respiratory disorders in sweepers.

Keywords

Spirometry Dust Respiratory Symptoms

© 2017, Hormozgan Medical Journal. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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