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Association between Severity of Chronic Obstructive Pulmonary Disease and Lung Function Tests

BACKGROUND: The burden of chronic obstructive pulmonary disease (COPD) is quite high and its prevalence is increasing. We aimed to evaluate the correlation of COPD severity according to the American Thoracic Society (ATS) criteria with spirometric measurements in patients admitted to the emergency w...

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Autores principales: Jamaati, Hamid Reza, Heshmat, Bahareh, Tamadon, Ronak, Rad, Abbas Hamidi, Mohajerani, Seyed Amir, Radmand, Golnar, Hashemian, Seyed Mohammad Reza
Formato: Online Artículo Texto
Lenguaje:English
Publicado: National Research Institute of Tuberculosis and Lung Disease 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4153230/
https://www.ncbi.nlm.nih.gov/pubmed/25191448
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author Jamaati, Hamid Reza
Heshmat, Bahareh
Tamadon, Ronak
Rad, Abbas Hamidi
Mohajerani, Seyed Amir
Radmand, Golnar
Hashemian, Seyed Mohammad Reza
author_facet Jamaati, Hamid Reza
Heshmat, Bahareh
Tamadon, Ronak
Rad, Abbas Hamidi
Mohajerani, Seyed Amir
Radmand, Golnar
Hashemian, Seyed Mohammad Reza
author_sort Jamaati, Hamid Reza
collection PubMed
description BACKGROUND: The burden of chronic obstructive pulmonary disease (COPD) is quite high and its prevalence is increasing. We aimed to evaluate the correlation of COPD severity according to the American Thoracic Society (ATS) criteria with spirometric measurements in patients admitted to the emergency ward. MATERIALS AND METHODS: In this cross-sectional descriptive study, 50 randomly selected patients with COPD admitted to the emergency ward in a tertiary care center were evaluated. The COPD severity according to the ATS criteria was measured and its association with spirometric findings was evaluated. The statistical analysis was performed by SPSS software and the Kendall's tau-b correlation test. RESULTS: The mean age (±standard deviation) was 64.3 ± 11.3 years. Twelve percent were females and 88 percent were males. The COPD severity, according to the ATS criteria, was mild in 16%, moderate in 48%, severe in 32% and very severe in four percent. There was a statistically significant correlation between total lung capacity (TLC) and COPD severity (P = 0.013, r = 275). Besides, there was a statistically significant correlation between functional residual capacity (FRC) and COPD severity (P = 0.022, r = 255). Age, sex, and the other spirometric findings especially FEV1 and FVC had no association with COPD severity (P > 0.05). CONCLUSION: According to the obtained results, it is concluded that determining the COPD severity according to the ATS criteria may help the physicians to estimate the patients’ prognosis and therapeutic planning. However, the spirometric measurements may not be replaced by ATS criteria.
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spelling pubmed-41532302014-09-04 Association between Severity of Chronic Obstructive Pulmonary Disease and Lung Function Tests Jamaati, Hamid Reza Heshmat, Bahareh Tamadon, Ronak Rad, Abbas Hamidi Mohajerani, Seyed Amir Radmand, Golnar Hashemian, Seyed Mohammad Reza Tanaffos Original Article BACKGROUND: The burden of chronic obstructive pulmonary disease (COPD) is quite high and its prevalence is increasing. We aimed to evaluate the correlation of COPD severity according to the American Thoracic Society (ATS) criteria with spirometric measurements in patients admitted to the emergency ward. MATERIALS AND METHODS: In this cross-sectional descriptive study, 50 randomly selected patients with COPD admitted to the emergency ward in a tertiary care center were evaluated. The COPD severity according to the ATS criteria was measured and its association with spirometric findings was evaluated. The statistical analysis was performed by SPSS software and the Kendall's tau-b correlation test. RESULTS: The mean age (±standard deviation) was 64.3 ± 11.3 years. Twelve percent were females and 88 percent were males. The COPD severity, according to the ATS criteria, was mild in 16%, moderate in 48%, severe in 32% and very severe in four percent. There was a statistically significant correlation between total lung capacity (TLC) and COPD severity (P = 0.013, r = 275). Besides, there was a statistically significant correlation between functional residual capacity (FRC) and COPD severity (P = 0.022, r = 255). Age, sex, and the other spirometric findings especially FEV1 and FVC had no association with COPD severity (P > 0.05). CONCLUSION: According to the obtained results, it is concluded that determining the COPD severity according to the ATS criteria may help the physicians to estimate the patients’ prognosis and therapeutic planning. However, the spirometric measurements may not be replaced by ATS criteria. National Research Institute of Tuberculosis and Lung Disease 2013 /pmc/articles/PMC4153230/ /pubmed/25191448 Text en Copyright © 2013 National Research Institute of Tuberculosis and Lung Disease http://creativecommons.org/licenses/by-nc/3.0/ This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.
spellingShingle Original Article
Jamaati, Hamid Reza
Heshmat, Bahareh
Tamadon, Ronak
Rad, Abbas Hamidi
Mohajerani, Seyed Amir
Radmand, Golnar
Hashemian, Seyed Mohammad Reza
Association between Severity of Chronic Obstructive Pulmonary Disease and Lung Function Tests
title Association between Severity of Chronic Obstructive Pulmonary Disease and Lung Function Tests
title_full Association between Severity of Chronic Obstructive Pulmonary Disease and Lung Function Tests
title_fullStr Association between Severity of Chronic Obstructive Pulmonary Disease and Lung Function Tests
title_full_unstemmed Association between Severity of Chronic Obstructive Pulmonary Disease and Lung Function Tests
title_short Association between Severity of Chronic Obstructive Pulmonary Disease and Lung Function Tests
title_sort association between severity of chronic obstructive pulmonary disease and lung function tests
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4153230/
https://www.ncbi.nlm.nih.gov/pubmed/25191448
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