Tuberculosis and Respiratory Diseases

The Korean Academy of Tuberculosis and Respiratory Diseases (대한결핵및호흡기학회)
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Clinical Relevance of Bronchial Anthracofibrosis in Patients with Chronic Obstructive Pulmonary Disease Exacerbation

  • Kim, Hyera (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Cha, Seung-Ick (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Shin, Kyung-Min (Department of Radiology, Kyungpook National University School of Medicine) ;
  • Lim, Jae-Kwang (Department of Radiology, Kyungpook National University School of Medicine) ;
  • Oh, Serim (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Kim, Min Jung (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Lee, Yong Dae (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Kim, Miyoung (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Lee, Jaehee (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Kim, Chang-Ho (Department of Internal Medicine, Kyungpook National University School of Medicine)
  • Received : 2014.04.27
  • Accepted : 2014.07.03
  • Published : 2014.09.30
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Abstract

Background: Bronchial anthracofibrosis (BAF), which is associated with exposure to biomass smoke in inefficiently ventilated indoor areas, can take the form of obstructive lung disease. Patients with BAF can mimic or present with an exacerbation of chronic obstructive pulmonary disease (COPD). The purpose of the current study was to investigate the prevalence of BAF in Korean patients with COPD exacerbation as well as to examine the clinical features of these patients in order to determine its clinical relevance. Methods: A total of 206 patients with COPD exacerbation were divided into BAF and non-BAF groups, according to computed tomography findings. We compared both clinical and radiologic variables between the two groups. Results: Patients with BAF (51 [25%]) were older, with a preponderance of nonsmoking women; moreover, they showed a more frequent association with exposure to wood smoke compared to those without BAF. However, no differences in the severity of illness and clinical course between the two groups were observed. Patients in the BAF group had less severe airflow obstruction, but more common and severe pulmonary hypertension signs than those in the non-BAF group. Conclusion: Compared with non-BAF COPD, BAF may be associated with milder airflow limitation and more frequent signs of pulmonary hypertension with a more severe grade in patients presenting with COPD exacerbation.

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References

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