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Prepocol study

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https://www.readbyqxmd.com/read/28835234/altitude-and-copd-prevalence-analysis-of-the-prepocol-platino-bold-epi-scan-study
#1
Andreas Horner, Joan B Soriano, Milo A Puhan, Michael Studnicka, Bernhard Kaiser, Lowie E G W Vanfleteren, Louisa Gnatiuc, Peter Burney, Marc Miravitlles, Francisco García-Rio, Julio Ancochea, Ana M Menezes, Rogelio Perez-Padilla, Maria Montes de Oca, Carlos A Torres-Duque, Andres Caballero, Mauricio González-García, Sonia Buist, Maria Flamm, Bernd Lamprecht
BACKGROUND: COPD prevalence is highly variable and geographical altitude has been linked to it, yet with conflicting results. We aimed to investigate this association, considering well known risk factors. METHODS: A pooled analysis of individual data from the PREPOCOL-PLATINO-BOLD-EPI-SCAN studies was used to disentangle the population effect of geographical altitude on COPD prevalence. Post-bronchodilator FEV1/FVC below the lower limit of normal defined airflow limitation consistent with COPD...
August 23, 2017: Respiratory Research
https://www.readbyqxmd.com/read/25950276/determinants-of-underdiagnosis-of-copd-in-national-and-international-surveys
#2
Bernd Lamprecht, Joan B Soriano, Michael Studnicka, Bernhard Kaiser, Lowie E Vanfleteren, Louisa Gnatiuc, Peter Burney, Marc Miravitlles, Francisco García-Rio, Kaveh Akbari, Julio Ancochea, Ana M Menezes, Rogelio Perez-Padilla, Maria Montes de Oca, Carlos A Torres-Duque, Andres Caballero, Mauricio González-García, Sonia Buist
BACKGROUND: COPD ranks within the top three causes of mortality in the global burden of disease, yet it remains largely underdiagnosed. We assessed the underdiagnosis of COPD and its determinants in national and international surveys of general populations. METHODS: We analyzed representative samples of adults aged ≥ 40 years randomly selected from well-defined administrative areas worldwide (44 sites from 27 countries). Postbronchodilator FEV1/FVC < lower limit of normal (LLN) was used to define chronic airflow limitation consistent with COPD...
October 2015: Chest
https://www.readbyqxmd.com/read/17951621/prevalence-of-copd-in-five-colombian-cities-situated-at-low-medium-and-high-altitude-prepocol-study
#3
Andrés Caballero, Carlos A Torres-Duque, Claudia Jaramillo, Fabio Bolívar, Fernando Sanabria, Patricia Osorio, Carlos Orduz, Diana P Guevara, Darío Maldonado
BACKGROUND: The prevalence of COPD in Colombia is unknown. This study aimed to investigate COPD prevalence in five Colombian cities and measure the association between COPD and altitude. METHODS: A cross-sectional design and a random, multistage, cluster-sampling strategy were used to provide representative samples of adults aged >or= 40 years. Each participant was interviewed (validated Spanish version of the Ferris Respiratory Questionnaire) and performed spirometry before and after 200 microg of inhaled salbutamol, using a portable spirometer according to American Thoracic Society recommendations...
February 2008: Chest
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