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Disproportionate Contribution of Right Middle Lobe to Emphysema and Gas Trapping on Computed Tomography

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  • Surya P Bhatt
  • Jessica C Sieren
  • John D Newell Jr
  • Alejandro P Comellas
  • Eric A Hoffman

Abstract

Rationale: Given that the diagnosis of chronic obstructive pulmonary disease (COPD) relies on demonstrating airflow limitation by spirometry, which is known to be poorly sensitive to early disease, and to regional differences in emphysema, we sought to evaluate individual lobar contributions to global spirometric measures. Methods: Subjects with COPD were compared with smokers without airflow obstruction, and non-smokers. Emphysema (% low attenuation area, LAAinsp

Suggested Citation

  • Surya P Bhatt & Jessica C Sieren & John D Newell Jr & Alejandro P Comellas & Eric A Hoffman, 2014. "Disproportionate Contribution of Right Middle Lobe to Emphysema and Gas Trapping on Computed Tomography," PLOS ONE, Public Library of Science, vol. 9(7), pages 1-7, July.
    • Handle: RePEc:plo:pone00:0102807
    DOI: 10.1371/journal.pone.0102807
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    1. Sean E. Hesselbacher & Robert Ross & Matthew B. Schabath & E. O’Brian Smith & Sarah Perusich & Nadia Barrow & Pamela Smithwick & Manoj J. Mammen & Harvey Coxson & Natasha Krowchuk & David B. Corry & F, 2011. "Cross-Sectional Analysis of the Utility of Pulmonary Function Tests in Predicting Emphysema in Ever-Smokers," IJERPH, MDPI, vol. 8(5), pages 1-17, April.
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