Correlation of CT angiographic pulmonary artery obstruction scores with right ventricular dysfunction and clinical outcome in patients with acute pulmonary embolism

被引:39
作者
Apfaltrer, P. [1 ]
Henzler, T. [1 ]
Meyer, M. [1 ]
Roeger, S. [2 ]
Haghi, D. [2 ]
Gruettner, J. [2 ]
Sueselbeck, T. [2 ]
Wilson, R. B. [3 ]
Schoepf, U. J. [3 ]
Schoenberg, S. O. [1 ]
Fink, C. [1 ]
机构
[1] Heidelberg Univ, Med Fac Mannheim, Univ Med Ctr Mannheim, Inst Clin Radiol & Nucl Med, D-68167 Mannheim, Germany
[2] Heidelberg Univ, Med Fac Mannheim, Univ Med Ctr Mannheim, Dept Internal Med, D-68167 Mannheim, Germany
[3] Med Univ S Carolina, Dept Radiol & Radiol Sci, Charleston, SC 29401 USA
关键词
Pulmonary embolism; Pulmonary artery obstruction scores; CT Angiography; Right ventricular dysfunction; CHEST COMPUTED-TOMOGRAPHY; DUAL-ENERGY CT; HELICAL CT; SEVERITY; PREDICTOR; MORTALITY; ENLARGEMENT; DIAGNOSIS; INDEX;
D O I
10.1016/j.ejrad.2011.08.014
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Objective: To correlate CTA pulmonary artery obstruction scores (OS) with right ventricular dysfunction (RVD) and clinical outcome in patients with acute pulmonary embolism (PE). Materials and methods: In a prospective study of 50 patients (66 +/- 12.9 years) with PE pulmonary artery OS (Qanadli, Mastora, and Mastora central) were assessed by two radiologists. To assess RVD all patients underwent echocardiography within 24 h. Furthermore, RVD on CT was assessed by calculating the right ventricular/left ventricular (RV/LV) diameter ratios on transverse (RV/LVtrans) and four-chamber views (RV/LV4ch) as well as the RV/LV volume ratio (RV/LVvol). OS were correlated with RVD and the occurrence of adverse clinical outcomes (defined as death, need for intensive care treatment, or cardiac insufficiency >= NYHA III). Results: Mean Mastora, Qanadli, and Mastora central OS were 26.4 +/- 17.7, 12.6 +/- 9.9 and 7.5 +/- 9, respectively. Echocardiography demonstrated moderate and severe RVD in 10 and 5 patients, respectively. Patients with moderate and severe RVD showed significantly higher Mastora central scores than patients without RVD (14 +/- 10.8 vs. 5.9 +/- 7.8 [p = 0.05]; 17.6 +/- 13.2 vs. 5.9 +/- 7.8 [p = 0.038]). A relevant correlation (i.e. r >= 0.6) between OS and CT parameters for RVD were only found for the Mastora score and the Mastora central score (RV/LV4ch: r = 0.61 and 0.68, RV/LVvol: r = 0.61 and 0.6). 18 patients experienced an adverse clinical outcome. None of the OS differed significantly between patients with and without adverse clinical outcome. Conclusion: Pulmonary artery obstruction scores can differentiate between patients with and without RVD. However, in this study, obstruction scores were not correlated to adverse clinical outcome. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码:2867 / 2871
页数:5
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