MS-CTPA成像参数在急性肺动脉栓塞诊断及病情评估中的应用

doi:10.7517/issn.1674-0475.210521

摘要/Abstract

摘要： 本文探讨多层螺旋CT肺动脉造影（MS-CTPA）成像参数：右心室内径（RVD）/左心室内径（LVD）、主肺动脉（PA）/胸主动脉（AO）、室间隔移位（VSB）、上腔静脉直径（SVC），在急性肺动脉栓塞（APE）诊断及病情评估中的应用价值。选取127例疑似APE患者，根据临床确诊结果分为APE组（83例）与非APE组（44例）。APE组RVD/LVD、SVC、VSB、PA/AO高于非APE组（P<0.05）；ROC曲线显示，RVD/LVD、PA/AO、SVC、VSB诊断APE的AUC分别为0.844、0.731、0.764、0.746，联合诊断AUC为0.932，较单一指标有明显提高；RVD/LVD、SVC、PA/AO与PAOI呈正相关（P<05）；多元线性回归分析，将其他因素控制后，RVD/LVD、SVC与危险程度分层显著相关（P<0.05）。MS-CTPA成像参数RVD/LVD、PA/AO、VSB、SVC对APE诊断具有重要价值，其中RVD/LVD、SVC与APE危险程度分层显著相关，能为精准医疗提供指导。

关键词: 多层螺旋CT肺动脉造影, 急性肺动脉栓塞, 诊断, 病情评估

Abstract: In this study, the imaging parameters of MS-CTPA, including right ventricular diameter (RVD)/left ventricular diameter (LVD), main pulmonary artery (PA)/thoracic aorta (AO), ventricular septal displacement (VSB) and superior vena cava diameter (SVC) in the diagnosis and condition evaluation of acute pulmonary embolism (APE), were investigated in the diagnosis and severity evaluation of acute pulmonary embolism (APE). A total of 127 patients with suspected APE in our hospital were selected and divided into APE group (83 cases) and non APE group (44 cases) according to the results of clinical diagnosis. RVD/LVD, SVC, VSB and PA/AO in APE group were higher than those in non-APE group (P<0.05). ROC curve showed that the AUC of RVD/LVD, PA/AO, SVC and VSB in the diagnosis of APE were 0.844, 0.731, 0.764 and 0.746 respectively, and the AUC of combined diagnosis was 0.932, which was significantly higher than that of single index. RVD/LVD, SVC, PA/AO were positively correlated with paoi (P<0.05). Multiple linear regression analysis showed that RVD/LVD and SVC were significantly correlated with risk stratification after controlling other factors (P<0.05). MS-CTPA imaging parameters RVD/LVD, PA/AO, VSB and SVC are of great value in the diagnosis of APE. RVD/LVD and SVC are significantly correlated with the risk stratification of APE, which can provide guidance for precision medicine.

Key words: multislice spiral CT pulmonary angiography, acute pulmonary embolism, diagnosis, condition evaluation

杨圣辉, 王祺, 杨泉, 曹在民. MS-CTPA成像参数在急性肺动脉栓塞诊断及病情评估中的应用[J]. 影像科学与光化学, 2021, 39(6): 813-817.

YANG Shenghui, WANG Qi, YANG Quan, CAO Zaimin. The Application of MS-CTPA Imaging Parameters in Diagnosis and Severity Evaluation of Acute Pulmonary Embolism[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2021, 39(6): 813-817.

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