Chronic Obstructive Pulmonary Disease (COPD) is a major public health problem and is expected to become the 3rd leading cause of death globally by 2020. The main risk factor is tobacco. Tobacco poisoning is found in 80 to 90% of patients with COPD. However, non-smoking COPD is also described, with increasing prevalence figures, particularly related to occupational exposure, especially among farmers.
A prospective screening study based on questionnaires and electronic mini-spirometry (Néo-6®) that includes a representative sample of dairy farmers from the departments of Morbihan and Île-et-Vilaine in Brittany. The dairy farmers had an occupational medicine appointment and, if they demonstrated at least one marker of possible bronchial obstruction (chronic cough, chronic bronchitis, dyspnoea, wheezing, spirometry), they were referred to a pulmonologist.
Study Type
OBSERVATIONAL
Enrollment
1,247
prospective screening study based on questionnaires and electronic mini-spirometry (Néo-6(®)) that includes a representative sample of dairy farmers from the departments of Morbihan and Île-et-Vilaine in Brittany
Rennes University Hospital - Service de Pneumologie
Rennes, France
Level of bronchial obstruction
Respiratory specific indices are extracted from a screening spirometry : Forced expiratory volume in one second (FEV1) Forced Vital Capacity (FVC) Bronchial obstruction is stated with a ratio FEV1 / FVC \< 0.8
Time frame: 3 years
Prevalence of occupational specific COPD in dairy farmers
Occupational specific COPD is defined as a ratio FEV1 / FVC \< 0.8 associated to a clinical situation : * non reversibility after β2-agonists or corticoids administration, * no personal nor familial allergic conditions, * smoking history \< 1 cigarettes package per year.
Time frame: 3 years
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