Prevalence of airflow obstruction according GOLD, ATS and ERS criteria in symptomatic ever-smokers referring to a Pulmonary Rehabilitation Department


  • N. Barbarito | Respiratory Unit, Santa Corona Hospital, AO Salvini, Garbagnate Milanese (MI), Italy.
  • A. Vaghi Respiratory Unit, Santa Corona Hospital, AO Salvini, Garbagnate Milanese (MI), Italy.
  • E. De Mattia Pulmonary Rehabilitation, Villa Esperia, Salice Terme (PV), Italy.


Aim. To evaluate in a Pulmonary Rehabilitation (PR) setting the prevalence of airflow obstruction (AO) in either current or former smokers ≥45 years old both with dyspnoea and with chronic productive cough, using European Respiratory society (ERS) statement (FEV1/SVC <88 and <89% predicted in men and women, respectively), American Thoracic Society (ATS) statement (FEV1/FVC <75%), and Global Initiative for Chronic Obstructive Lung Disease (GOLD) statement (FEV1/FVC <70%). Methods. Lung function tests were performed in each patient who was referred to our PR department due to respiratory diagnosis or symptoms. For analysis, in patients showing AO we used post-bronchodilator lung function values. Results. In 184 ever-smoker patients with symptoms of chronic obstructive pulmonary disease (COPD), the prevalence rates of AO were as follows: ERS = 89.7%, ATS = 76.6%, and GOLD = 63.6%. Patients with AO according ERS criteria showing moderate to severe (M/S) obstruction (i.e., FEV1 <70% predicted) were 119. Patients with ERS M/S AO but without AO using either ATS or GOLD criteria were 8.4% and 19.3%, respectively. Conclusions. Prevalence of AO is highly dependent on which guidelines it is based. ATS and particularly GOLD statement can cause a large under-diagnosis even of moderate to severe COPD. Diagnosis of COPD may be overlooked if SVC is not performed.



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Original Articles
Chronic Obstructive Pulmonary Disease (COPD), Forced Expiratory Volume in One Second (FEV1), Forced Vital Capacity (FVC), Slow Vital Capacity (SVC)
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How to Cite
Barbarito, N., A. Vaghi, and E. De Mattia. 2015. “Prevalence of Airflow Obstruction According GOLD, ATS and ERS Criteria in Symptomatic Ever-Smokers Referring to a Pulmonary Rehabilitation Department”. Monaldi Archives for Chest Disease 75 (3).

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