本文選題：氣胸　切入點：定量　出處：《臨床放射學(xué)雜志》2017年08期

【摘要】：目的利用胸部CT掃描軸位圖像的四個固定層面胸膜間距離之和計算氣胸的肺壓縮程度,以探索基于CT軸位圖像更簡便、精確的氣胸評價方法。方法回顧性分析2013年1月至2015年6月間本院73例氣胸患者的胸部CT平掃資料,將層厚為2 mm的胸部CT數(shù)據(jù)導(dǎo)入東芝Aquilion ONE后處理軟件Vitrea(Version6.5.8),測得的容積數(shù)據(jù)經(jīng)計算得到的肺壓縮值作為參考標準;將胸廓入口內(nèi)緣至壓縮肺尖邊緣距離記為A,在胸部CT的固定三個解剖層面(氣管分叉層面、嵴角層面、膈頂層面)分別標記壓縮肺鎖骨中線及腋中線的氣體厚度(矢狀面三線:沿鎖骨中線矢狀面測量三個固定解剖層面臟壁層胸膜間距離的三線分別記為B、C、D;冠狀面三線:沿腋中線冠狀面測量三個固定解剖層面臟壁層胸膜間距離的三線分別記為B~1、C~1、D~1),計算距離之和(A+B+C+D)及(A+B~1+C~1+D~1),將所得結(jié)果分別與CT容積測量法所測值進行直線回歸分析,得出直線回歸方程。結(jié)果根據(jù)肺壓縮值與兩組CT四線之和的結(jié)果回歸分析,計算肺萎陷程度的公式為:矢狀面三線Y=0.001×(A+B+C+D)+0.234(r=0.855,P0.001);冠狀面三線Y~1=0.002×(A+B~1+C~1+D~1)+0.247(r~1=0.867,P10.001)。結(jié)論基于常規(guī)胸部CT掃描軸位圖像測量的CT四線法是計算氣胸肺萎陷程度方便而準確的方法,值得臨床推廣應(yīng)用。
[Abstract]:Objective to calculate the lung compression degree of pneumothorax by using the sum of the distance between the four fixed layers of chest CT scanning axial images, so as to explore a more convenient method based on CT axial images. Methods the chest CT plain scan data of 73 patients with pneumothorax from January 2013 to June 2015 were analyzed retrospectively. Chest CT data with slice thickness of 2 mm were imported into Toshiba Aquilion ONE post-processing software Vitreae version6.5.8, and the calculated lung compression values were used as the reference standard. The distance from the inner edge of the thoracic entrance to the edge of the compressed pulmonary apex was recorded as A, and three anatomical levels (trachea bifurcation, cristae angle) of the chest CT were fixed. The gas thickness of midline and axillary line of compressed lung clavicle (sagittal three lines: three lines along the sagittal plane of the middle clavicular line measuring the distance between the three fixed anatomical layers of the visceral layer pleura were marked as BnCU D; coronal plane 3 lines respectively). Line: the three lines along the coronal plane of axillary midline for measuring the distance between the layers of the visceral wall on three fixed anatomical planes were recorded as BU 1C 1C 1D, calculated the sum of distances A B C D D) and A B 1 C 1 D D D 1, respectively. The results were analyzed by linear regression analysis with CT volume measurement. The linear regression equation was obtained. Results regression analysis was made based on the lung compression value and the sum of the two groups of CT four lines. The formula for calculating the degree of lung collapse is as follows: sagittal plane three-line YP0. 001 脳 A B C D) 0.234ru 0.855U P0.001; coronal plane 3- line Y1 0. 002 脳 A BX 1 C 1 D0 1) 0.247C 0. 867P10. 0011.Conclusion the four line CT method based on conventional chest CT scanning is a convenient and accurate method for calculating the degree of pneumothorax lung atrophy. It is worth popularizing and applying in clinic.
【作者單位】： 昆明醫(yī)科大學(xué)第二附屬醫(yī)院放射科;云南省第二人民醫(yī)院放射科;
【分類號】：R561.4;R816.4

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