Onchodilators”.Other SC66 Purity criteria that had been considered to become relevant by more than on the pulmonologists and proposed as minor criteria have been “personal history of allergy or sensitivity to 1 or extra allergens”, “elevated eosinophils in sputum or blood or high nitric oxide levels”, `diagnosis of asthma before the age of “, “symptoms variability”, and “age (in favor of asthma)”.Furthermore, the participants were asked to choose the three most important criteria to qualify a COPD patient as an ACOS patient.Essentially the most crucial criteria, as selected by of your pulmonologists, were “degree of response to bronchodilators” and “degree of variability in airway obstruction”; “asthma diagnosis prior to years of age” was selected by ; “personal or loved ones history of atopy”submit your manuscript www.dovepress.comInternational Journal of COPD DovepressDovepressBelgian survey on aCOs diagnosisFigure Major criteria for diagnosing aCOs.Notes The bubble size and presented quantity and percentage (in gray) indicate the quantity and percentage of pulmonologists who regarded the criterion relevant for the diagnosis of aCOs.Overlap with the primary reported criterion shows the amount of every single mixture (indicated in blue) of both answers provided by pulmonologists.Overlap between the other criteria is not shown.Abbreviations aCOs, asthma OPD overlap syndrome; FenO, fractional exhaled nitric oxide.Figure Attributes to diagnose a COPD patient as aCOs patient.Notes PubMed ID:http://www.ncbi.nlm.nih.gov/pubmed/21466778 gray bars show the percentage of pulmonologists who thought of the criterion as “relevant” (likert score).The two criteria considered relevant by most pulmonologists were retained as key criteria.Other criteria surpassing the cutoff mark for relevancy (vertical dashed line) were considered as minor criteria.Black bullet shows mean likert score (with sD).Abbreviations aCOs, asthma OPD overlap syndrome; Ige, immunoglobulin e; FenO, fractional exhaled nitric oxide; CT, computed tomography; n, number of pulmonologists; sD, standard deviation.International Journal of COPD submit your manuscript www.dovepress.comDovepressCataldo et alDovepressTable Criteria for aCOs diagnosis guidance from the Belgian surveyACOS inside a COPD patient Major criteria higher degree of variability in airway obstruction more than time (PFTs) FeV variation ml high degree of response to bronchodilators (PFTs) ml and predicted above baseline Minor criteria Personal or family members history of atopy andor Ige sensitivity to 1 or more airborne allergens elevated blood or sputum eosinophils or elevated FenO Diagnosed with asthma just before the age of symptom variability age (in favor of asthma) ACOS in an asthma patient Significant criteria Persistence over time of airflow obstruction (persistence of FEVFVC ratio .or decrease standard limit) exposure to noxious particles or gases, with packyears in case of smoking for (ex)smokers Minor criteria lack of response on acute bronchodilator test decreased lung diffusion capacity (on PFTs) small variability in airway obstruction (PFTs) age in favor of COPD (ie, years) Presence of emphysema on chest CT scanNote a diagnosis of aCOs is accepted in each COPD and asthma individuals when the two big criteria and at the very least one particular minor criterion are met.Abbreviations aCOs, asthma OPD overlap syndrome; FeV, forced expiratory volume in second; FVC, forced important capacity; PFTs, pulmonary function tests; Ige, immunoglobulin e; FenO, fractional exhaled nitric oxide; CT, computed tomography.by ; and “elevated blood or sputum eos.
