Volumetric reconstruction of the right ventricle improves reproducibility of interventricular septum bowing in patients with pulmonary embolism

被引:0
作者
Staskiewicz, G. [1 ,2 ]
Czekajska-Chehab, E. [2 ]
Uhlig, S. [2 ]
Tomaszewski, A. [3 ]
Torres, K. [1 ]
Torres, A. [1 ]
Walankiewicz, M. [1 ]
Surtel, W. [4 ]
Drop, A. [2 ]
机构
[1] Med Univ Lublin, Dept Human Anat, PL-20090 Lublin, Poland
[2] Med Univ Lublin, Dept Radiol 1, PL-20090 Lublin, Poland
[3] Med Univ Lublin, Dept Cardiol, PL-20090 Lublin, Poland
[4] Lublin Univ Technol, Dept Elect, Lublin, Poland
关键词
pulmonary embolism; computed tomography; right ventricular dysfunction; interobserver agreement; volumetric reconstruction; PROGNOSTIC CT FINDINGS; CARDIOVASCULAR PARAMETERS; COMPUTED-TOMOGRAPHY; SEVERITY ASSESSMENT; HELICAL CT; DYSFUNCTION; ECHOCARDIOGRAPHY; ANGIOGRAPHY; OBSTRUCTION; INDEX;
D O I
10.5603/FM.2013.0018
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 ;
摘要
Bowing of the interventricular septum (IVS) is a sign of severe pulmonary embolism (PE); however, it is affected by high interobserver variability. The aim of the study was to evaluate the application of volumetric reconstructions of the right ventricle for assessment of IVS position regarding its accuracy in identifying right ventricular dysfunction, as well as interobserver agreement in evaluating this sign. IVS bowing was evaluated with multiplanar reformations (MPR) and volumetric reconstruction (VR, volume rendering) by 2 observers. The accuracy of IVS bowing sign was better for VR-based assessment; however, it was not significantly better than the MPR-based evaluation. Interobserver agreement was found to be fair (kappa = 0.381) for the MPR-based grading of IVS position as normal or abnormal, while it was significantly better for the VR method (kappa = 0.629, p < 0.001). The VR-based method may improve utilisation of IVS bowing sign in patients with PE.
引用
收藏
页码:107 / 112
页数:6
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