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BMC Pulmonary Medicine

, 16:178

Epidemiology and public health

Abstract

BackgroundThe aim of this study was to assess the association of key adiposity markers with lung function in smokers without respiratory disease in a Mediterranean population.

MethodsWe performed a cross-sectional study with baseline data from a representative sample of the ESPITAP study in Spain. Participants were 738 smokers 52.3% men without respiratory disease, aged 35 to 70, selected from 12 primary health care centres. We assessed weight, height, body mass index BMI, waist circumference WC and waist-to-height ratio WHtR. The pulmonary functional parameters were forced vital capacity FVC, forced expiratory volume in 1 s FEV1 and FEV1-FVC ratio.

ResultsIn this cohort of smokers, 22.2% of individuals had central obesity. FVC% was inversely associated with all anthropometric measures BMI, WC and WHtR in the overall population and in men; in women, only BMI was associated with FVC%. FEV1% was inversely associated to BMI and WC in the overall population, and to all anthropometric measures in men. Furthermore, both BMI and obesity were positively associated with FEV1-FVC ratio overall and when stratified by sex; this suggests a restrictive pattern explained by the altered ventilator mechanics experienced by people with obesity.

ConclusionIn a Mediterranean population of smokers without respiratory symptoms, abdominal obesity, evaluated not only by BMI and WC but also WHtR, is inversely associated with lung function. Fat distribution appears more strongly related to pulmonary function parameters in men than in women. In smokers with high values for WC, WHtR and BMI, assessment of lung function is recommended.

Trial registrationCurrent Controlled Trials NCT01194596. Registered 2 September 2010.

KeywordsLung function test Overweight Obesity Waist circumference Tobacco smoke  Download fulltext PDF



Autor: Mar Sorlí-Aguilar - Francisco Martín-Luján - Gemma Flores-Mateo - Cristina Jardí-Piñana - Estefania Aparicio-Llopis - Jo

Fuente: https://link.springer.com/







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