Preoperative CT-based pulmonary volumetric evaluation in patients with pectus excavatum: comparison with pulmonary function test

doi:10.3969/j.issn.1006-7795.2014.06.004

Abstract

Abstract:

Objective To access the reliability of CT-based pulmonary volumetric evaluation by analyzing the correlation between lung volume calculated by CT-based pulmonary volumetric evaluation method and pulmonary function test(PFT) results. Methods This study enrolled 49 patients with pectus excavatum seen in Beijing Children's Hospital. All patients had CT scan and pulmonary function test data. The CT-scan data were used to calculate lung's volume by handdrawn-layers summation method. The lung volume and PFT result were compared. Results The lung volume calculated by CT-based pulmonary volumetric evaluation underestimated from the PFT result of VCmax, FVC and TLC. However, the correlation between lung's volume and PFT result of VCmax(P<0.001), FVC(P<0.001), TLC(P<0.001) was significant. The correlation between value of actuality/anticipated between lung volume and PFT results was also significant. Conclusion The lung volume calculated by CT-based pulmonary volumetric evaluation is significantly correlated with PFT results and this method is a useful way to evaluate the lung volume in clinical practice.

Key words: lung, volumetric calculation, computerized tomography, lung function test, pectus excavatum

CLC Number:

R561

Yu Jie, Zhang Na, Chen Chenghao, Cao Juan, Zeng Qi. Preoperative CT-based pulmonary volumetric evaluation in patients with pectus excavatum: comparison with pulmonary function test[J]. Journal of Capital Medical University, 2014, 35(6): 698-701.

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URL: https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/10.3969/j.issn.1006-7795.2014.06.004

https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/Y2014/V35/I6/698

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