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FVC and FEV Reference Values for Beninese Individuals Aged 17 - 20 Years

Open Journal of Respiratory Diseases 2019年第2期9卷 48-59页

作者： Folly Messan mohamed M. lawani Daouda Mama Laboratory of Respiratory Hormonal and Gerontological Explorations of the Sportman National Institute of Youth Physical Education and Sport (INJEPS) University of Abomey-Calavi Cotonou Republic of Benin Laboratory of Biomechanics and Performance (LABIOP) National Institute of Youth Physical Education and Sport (INJEPS) University of Abomey-Calavi Cotonou Republic of Benin Laboratory of Applied Hydrology Faculty of Sciences and Technics University of Abomey-Calavi Cotonou Republic of Benin

Background: 1) To determine forced vital capacity (FVC) and forced expiratory volume in one second (FEV) for Beninese individuals of both sexes aged 17 - 20 years;2) Compare the observed values to those calculated based on the algorithms of the spirometer used. Materials and Methods: The FVC and FEV values were first measured using a Micro Quark spirometer and then calculated from equations for the European Respiratory Society-93 (ERS-93) in 148 subjects, including 46 girls. In each age group, the measured values for the height of the subjects were considered the only variables used to calculate the equations for FVC and FEV with their 95% confidence intervals. The means of the FEV and FVC values were obtained by univariate analysis. Results: The calculated FEV and FVC values were significantly higher (p Conclusion: The correction factors incorporated in spirometers imported from Europe no longer seem appropriate to measure the physical characteristics of African subjects. The differences between the two methods of assessment should be used as new ethnic correction factors.

关键词： Reference Values Correction Factors Forced Vital Capacity Forced Expiratory Volume in One Second Benin

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Bronchospasm Diagnosis in Motorcycle Taxi Drivers Exposed to Automotive Pollutants in Porto-Novo

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Open Journal of Respiratory Diseases 2013年第1期3卷 13-20页

作者： Folly Messan mohamed lawani Barnabé Akplogan Pierre Dansou Daouda Mama Rodrigue Hounkponou Rodrigue A. Dagnitché Laboratory of Applied Hydrology Faculty of Sciences and Technics University of Abomey-Calavi Cotonou Republic of Benin Laboratory of Biomechanics and Performance (LABIOP) National Institute of Youth Physical Education and Sport (INJEPS) University of Abomey-Calavi Cotonou Republic of Benin Laboratory of PSA and Motricity National Institute of Youth Physical Education and Sport (INJEPS) University of Abomey-Calavi Cotonou Republic of Benin

Background: In African cities, chronic exposure to pollutants is the most common public health problem faced daily by motorcycle taxi drivers. In Benin, studies conducted on motorcycle drivers, have shown the presence of nitrogen oxides, carbon monoxide, sulfur dioxide, volatile organic compounds and particulate matter in ambient air, which may affect lung function. Aims: This study aims to diagnose potential respiratory problems among 48 motorcycle taxi drivers (47.02 ± 8.75 years) compared to a control group made up of 52 people (46.38 ± 8.81 years) in Porto-Novo, Benin. Methods: A questionnaire, two exploration pulmonary function tests and two 6-minute walk tests were used to identify symptoms and changes in respiratory variables that reveal the existence of bronchospasm. Results: The frequency of respiratory symptoms noted among motorcycle taxi drivers is higher than that recorded among members of the control group. We observed that motorcycle drivers at rest and after physical effort have significantly lower respiratory variables (FVC, FEV1, PEF, FEF25-75, FEF50 and FEF25) (p < 0.05) than those recoded in control group. Conclusion: It can therefore be concluded that, because of the relatively long duration of exposure among motorcycle taxi drivers, the inhalation of automobile pollutants, may cause respiratory problems in this population.

关键词： Automobile Pollution Asthma Bronchospasm Urban Pollution Motorcycle-Taxi Drivers Benin

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