Interpretative strategies for lung function tests
Riccardo Pellegrino,Giovanni Viegi,Vito Brusasco,Robert O. Crapo,Felip Burgos,Richard Casaburi,Allan L. Coates,C.P.M. van der Grinten,P. Gustafsson,John L. Hankinson,R. Jensen,D.C. Johnson,Neil R. MacIntyre,Roy T. McKay,Martin R. Miller,Daniel Navajas,O. F. Pedersen,J. Wanger +17 more
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TLDR
This section is written to provide guidance in interpreting pulmonary function tests (PFTs) to medical directors of hospital-based laboratories that perform PFTs, and physicians who are responsible for interpreting the results of PFTS most commonly ordered for clinical purposes.Abstract:
SERIES “ATS/ERS TASK FORCE: STANDARDISATION OF LUNG FUNCTION TESTING”
Edited by V. Brusasco, R. Crapo and G. Viegi
Number 5 in this Series
This section is written to provide guidance in interpreting pulmonary function tests (PFTs) to medical directors of hospital-based laboratories that perform PFTs, and physicians who are responsible for interpreting the results of PFTs most commonly ordered for clinical purposes. Specifically, this section addresses the interpretation of spirometry, bronchodilator response, carbon monoxide diffusing capacity ( D L,CO) and lung volumes.
The sources of variation in lung function testing and technical aspects of spirometry, lung volume measurements and D L,CO measurement have been considered in other documents published in this series of Task Force reports 1–4 and in the American Thoracic Society (ATS) interpretative strategies document 5.
An interpretation begins with a review and comment on test quality. Tests that are less than optimal may still contain useful information, but interpreters should identify the problems and the direction and magnitude of the potential errors. Omitting the quality review and relying only on numerical results for clinical decision making is a common mistake, which is more easily made by those who are dependent upon computer interpretations.
Once quality has been assured, the next steps involve a series of comparisons 6 that include comparisons of test results with reference values based on healthy subjects 5, comparisons with known disease or abnormal physiological patterns ( i.e. obstruction and restriction), and comparisons with self, a rather formal term for evaluating change in an individual patient. A final step in the lung function report is to answer the clinical question that prompted the test.
Poor choices made during these preparatory steps increase the risk of misclassification, i.e. a falsely negative or falsely positive interpretation for a lung function abnormality or a change …read more
Citations
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Pulmonary Function Testing in Idiopathic Interstitial Pneumonias
TL;DR: Physiologic testing, especially spirometry and DLCO, have demonstrated value in monitoring response to therapy and identifying disease progression, and in establishing disease severity and in defining prognosis.
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The impact of anxiety and depression on outpatients with asthma.
TL;DR: The present real-life study indicates that anxiety and depression are common and relevant comorbidities in asthmatic outpatients and are associated with uncontrolled asthma and lower ACT scores.
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Official American Thoracic Society technical standards: spirometry in the occupational setting.
Carrie A. Redlich,Susan M. Tarlo,John L. Hankinson,Mary C. Townsend,William L. Eschenbacher,Susanna G. Von Essen,Torben Sigsgaard,David N. Weissman +7 more
TL;DR: Recommendations are provided for the performance and interpretation of workplace spirometry that are particularly important in the workplace where inhalation exposures can affect lung function and cause or exacerbate lung diseases, such as asthma, chronic obstructive pulmonary disease, or fibrosis.
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Influence of work-related factors and individual characteristics on work ability among Dutch construction workers.
TL;DR: In the construction industry, work-related risk factors were the most important in association with work ability, suggesting that interventions aimed at preventing construction workers from dropping out of the workforce should primarily focus on reducing physical and psychosocial load at work.
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High prevalence of exercise-induced laryngeal obstruction in athletes with respiratory symptoms
TL;DR: In this article, the prevalence of exercise induced laryngeal obstruction (EILO) in an unselected cohort of athletes was evaluated and the presence of inspiratory symptoms did not differentiate athletes with and without EILO.
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Martin R. Miller,John L. Hankinson,Vito Brusasco,Felip Burgos,Richard Casaburi,Allan L. Coates,Robert O. Crapo,Paul L. Enright,C.P.M. van der Grinten,P. Gustafsson,R. Jensen,D.C. Johnson,Neil R. MacIntyre,Roy T. McKay,Daniel Navajas,O. F. Pedersen,Riccardo Pellegrino,Giovanni Viegi,J. Wanger +18 more
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