Effects of Exposure to Biomass-burning Air Pollution on Lung Function, Heart Rate Variability and Inflammatory Markers in Sugarcane Workers

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

222 participants

Study Classification

OBSERVATIONAL

Study Start Date

2008-12-31

Study Completion Date

2011-02-28

Brief Summary

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Introduction: Non-mechanized sugar cane harvesting preceded by burning, an important and prevalent professional activity of agribusiness segment of the Brazilian economy, exposes workers and people of neighboring towns to high concentrations of pollutants and, therefore, potentially several risks to health hazards.

Objectives: Assessing cardiopulmonary impacts and inflammatory markers in sugarcane workers and volunteers from a nearby town in non-harvest and harvest periods.

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Detailed Description

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Conditions

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Lung Function Heart Rate Variability Oxidative Stress Systemic Inflammatory Response

Study Design

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Observational Model Type

ECOLOGIC_OR_COMMUNITY

Study Time Perspective

PROSPECTIVE

Study Groups

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Controls

Healthy male volunteers, non-smokers, 20-40yo, living in the city of Mendonça, São Paulo-Brazil.

No interventions assigned to this group

Sugarcane Workers

Healthy male volunteers, non-smokers, 20-40yo, sugarcane workers, living in the city of Mendonça, São Paulo-Brazil.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* The criteria for inclusion in the study were: age between 20 and 40 years, male gender and being non-smokers (or former-smokers for at least a year and a smoking history of less than 20 pack-years).

Minimum Eligible Age

20 Years

Maximum Eligible Age

40 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes