Inspiratory and Expiratory HRCT of the Lung:Quantitative Study and Correlation with PFT Results / 实用放射学杂志

ABSTRACT

Objective To study the findings of expiratory HRCT of the lungs and to determine the effect of pulmonary function on quantitative index.Methods Inspiratory and expiratory HRCT were performed in 26 healthy adults and 29 patients.The mean value difference(VD) and area decrease rate(AD)within threshold of bilateral lungs were calculated.The patients were divided into two groups due to PFT results.Statistical study was carried out in the control group and the two patient groups.Results PFT results were normal in 13 patients and abnormal in 16 patients.Statistical study revealed significant difference between the patient group with abnormal PFT results and the other two groups(?