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The relationship between radiologic findings and lung function impairment in chronic obstructive pulmonary disease

Virginija Šileikiene, Ingrida Zeleckiene, Mindaugas Mataciunas, Jolita Norkuniene, Edvardas Danila
European Respiratory Journal 2012 40: P2299; DOI:
Virginija Šileikiene
1Clinic of Infectious, Chest Diseases, Dermatovenereology and Allergology, Vilnius University, Vilnius, Lithuania
2Centre of Pulmonology and Allergology, Vilnius University Hospital Santariškiu Klinikos, Vilnius, Lithuania
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Ingrida Zeleckiene
3Centre of Radiology and Nuclear Medicine, Vilnius University Hospital Santariškiu Klinikos, Vilnius, Lithuania
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Mindaugas Mataciunas
3Centre of Radiology and Nuclear Medicine, Vilnius University Hospital Santariškiu Klinikos, Vilnius, Lithuania
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Jolita Norkuniene
4Department of Mathematical Statistics, Vilnius Gediminas Technical University, Vilnius, Lithuania
5Applied Sciences, Vilniaus Kolegija University, Vilnius, Lithuania
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Edvardas Danila
1Clinic of Infectious, Chest Diseases, Dermatovenereology and Allergology, Vilnius University, Vilnius, Lithuania
2Centre of Pulmonology and Allergology, Vilnius University Hospital Santariškiu Klinikos, Vilnius, Lithuania
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Abstract

Objective To evaluate prospectively the relationship between radiologic findings and lung function impairment in COPD.

Methods The data of 38 consecutive patients with COPD were examined. All patients were divided into group I (GOLD I and II, n=20) and group II (GOLD III and IV, n=18) based on post-bronchodilator FEV1. The patients underwent CT scanning and comprehensive examination of the respiratory function.

Results The difference of the amounts of pulmonary emphysema, cysts, bronchiectasis, and pneumofibrosis among the patient groups was not statistically significant. Moreover, there were no statistically significant differences of TLC, VC, RV, DLCO indices between groups during disease remission. However, we have observed a significant increase of TLC, RV, and pCO2 indices, as well as the decrease of DLCO, pO2, and sO2 values of group II patients comparing to group I patients during exacerbation of the disease (p<0.05).

Presence of bronchiectasis and emphysema had correlation with exacerbations rate (r = 0.4, p<0.05). Presence of pneumofibrosis correlated with presence of bronchiectasis (r = 0.4, p<0.05). DLCO had correlation with exacerbations rate and amount of pneumofibrosis (r = –0.4, p<0.05).

Conclusions Our study showed that relationship between radiologic findings and lung function impairment in COPD is variegated. Deterioration in DLCO values reflected emerging pneumofibrosis in COPD patients. Repeated exacerbations were associated with bronchiectasis and emphysema. The patients with more severe airflow obstruction (group II) during remission had more severe respiratory function status during exacerbation comparing to group I patients.

  • COPD - management
  • Lung function testing
  • Imaging
  • © 2012 ERS
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The relationship between radiologic findings and lung function impairment in chronic obstructive pulmonary disease
Virginija Šileikiene, Ingrida Zeleckiene, Mindaugas Mataciunas, Jolita Norkuniene, Edvardas Danila
European Respiratory Journal Sep 2012, 40 (Suppl 56) P2299;

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The relationship between radiologic findings and lung function impairment in chronic obstructive pulmonary disease
Virginija Šileikiene, Ingrida Zeleckiene, Mindaugas Mataciunas, Jolita Norkuniene, Edvardas Danila
European Respiratory Journal Sep 2012, 40 (Suppl 56) P2299;
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