Assessment of regional emphysema, air-trapping and Xenon-ventilation using dual-energy computed tomography in chronic obstructive pulmonary disease patients

@article{Lee2016AssessmentOR,
  title={Assessment of regional emphysema, air-trapping and Xenon-ventilation using dual-energy computed tomography in chronic obstructive pulmonary disease patients},
  author={Sang Min Lee and Joon Beom Seo and Hye Jeon Hwang and Namkug Kim and Sang Young Oh and Jae Seung Lee and Sei Won Lee and Yeon Mok Oh and Tae Hoon Kim},
  journal={European Radiology},
  year={2016},
  volume={27},
  pages={2818-2827}
}
To compare the parenchymal attenuation change between inspiration/expiration CTs with dynamic ventilation change between xenon wash-in (WI) inspiration and wash-out (WO) expiration CTs. 52 prospectively enrolled COPD patients underwent xenon ventilation dual-energy CT during WI and WO periods and pulmonary function tests (PFTs). The parenchymal attenuation parameters (emphysema index (EI), gas-trapping index (GTI) and air-trapping index (ATI)) and xenon ventilation parameters (xenon in WI (Xe… CONTINUE READING

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