Association Between Lung Parenchymal Attenuation in Computed Tomography and Airflow Limitation in Adults with Cystic Fibrosis

被引:0
作者
Baloira, Lucia Esteban [1 ]
de Lucas, Ester Zamarron [1 ]
Segura, Carlos Carpio [1 ]
Baratas, Macarena Lerin [1 ]
Velilla, Maria Fernandez [2 ]
Sanchez, Maria Isabel Torres [2 ]
Fernandez, Inmaculada Pinilla [2 ]
Aguilar, Pablo Mariscal [1 ]
Walther, Rodolfo Alvarez-Sala [1 ]
Sanchez, Concepcion Prados [1 ]
机构
[1] Univ Autonoma Madrid, Hosp Univ La Paz, Serv Neumol, IdiPAZ,CIBERES, Madrid 28046, Spain
[2] Univ Autonoma Madrid, Hosp Univ La Paz, Serv Radiodiagnost, IdiPAZ, Madrid 28046, Spain
关键词
cystic fibrosis; computed tomography; lung attenuation; airflow limitation; PULMONARY-FUNCTION TESTS; QUANTITATIVE CT; YOUNG-CHILDREN; SCORING SYSTEM; DISEASE; STANDARDIZATION; ABNORMALITIES; SEVERITY; INFANTS; DENSITY;
D O I
10.3390/diagnostics15010107
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Objectives: To determine the association between airflow limitation and the quantification of lung attenuation in computed tomography (CT) in adult patients with cystic fibrosis (CF). Methods: A cross-sectional study in a single center between January 2013 and December 2018 in adult patients with stable CF. We collected clinical data and the results of spirometry and plethysmography. A chest CT at inspiration and expiration, using a specific software that automatically measured the lung attenuation, was performed. Results: In total, 73 patients (63% males) were included. The mean age was 31.6 +/- 12.3 years and the FEV1 was 67.8 +/- 25.9% pred. An airflow limitation was found in 63%, the mean residual volume was 159.9% pred, and air trapping was observed in 50 (87.7%) of the patients. The patients with airflow limitations showed a higher bulla index and a percentage of lung voxels in the range of emphysema. The FEV1 and the FEV1/FVC correlated with the percentage of the lungs at a high attenuation value (HAV), the range of emphysema, and the bulla index at inspiration, as well as the mean lung density at expiration and the inspiratory-expiratory variation of the mean lung density (MLDi-e). Finally, in the multivariate model, the MLDi-e and the HAV at inspiration were associated with airflow limitations. Conclusions: The measurements obtained from the automated quantification of lung parenchymal attenuation predicts airflow limitation in CF.
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页数:13
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