Indicators for hospitalization in acute pulmonary embolism: uncover the association between D-dimer levels, thrombus volume and radiomics
Background - The advent of advanced computed tomography (CT) technology and the field of radiomics has opened up new avenues in diagnostic assessments. Increasingly, there is substantial evidence advocating for the incorporation of quantitative imaging biomarkers in the clinical decision-making proc...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
June 2024
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| In: |
Academic radiology
Year: 2024, Jahrgang: 31, Heft: 6, Pages: 2610-2619 |
| ISSN: | 1878-4046 |
| DOI: | 10.1016/j.acra.2023.12.045 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.acra.2023.12.045 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S1076633223007249 
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| Verfasserangaben: | Jennifer Gotta, MD, Leon D. Gruenewald, MD, Tobias Geyer, MD, Katrin Eichler, MD, Simon S. Martin, MD, Scherwin Mahmoudi, MD, Christian Booz, MD, Teodora Biciusca, MD, Philipp Reschke, MD, Lisa-Joy Juergens, MD, Christof M. Sommer, MD, Tommaso D’Angelo, MD, Haidara Almansour, MD, Melis Onay, MD, Eva Herrmann, MD, Thomas J. Vogl, MD, Vitali Koch, MD |
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| 245 | 1 | 0 | |a Indicators for hospitalization in acute pulmonary embolism |b uncover the association between D-dimer levels, thrombus volume and radiomics |c Jennifer Gotta, MD, Leon D. Gruenewald, MD, Tobias Geyer, MD, Katrin Eichler, MD, Simon S. Martin, MD, Scherwin Mahmoudi, MD, Christian Booz, MD, Teodora Biciusca, MD, Philipp Reschke, MD, Lisa-Joy Juergens, MD, Christof M. Sommer, MD, Tommaso D’Angelo, MD, Haidara Almansour, MD, Melis Onay, MD, Eva Herrmann, MD, Thomas J. Vogl, MD, Vitali Koch, MD |
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| 520 | |a Background - The advent of advanced computed tomography (CT) technology and the field of radiomics has opened up new avenues in diagnostic assessments. Increasingly, there is substantial evidence advocating for the incorporation of quantitative imaging biomarkers in the clinical decision-making process. This study aimed to examine the correlation between D-dimer levels and thrombus size in acute pulmonary embolism (PE) combining dual-energy CT (DECT) and radiomics and to investigate the diagnostic utility of a machine learning classifier based on dual-energy computed tomography (DECT) radiomics for identifying patients with a complicated course, defined as at least hospitalization at IMC. - Methods - The study was conducted including 136 participants who underwent pulmonary artery CT angiography from January 2015 to March 2022. Based on DECT imaging, 107 radiomic features were extracted for each patient using standardized image processing. After dividing the dataset into training and test sets, stepwise feature reduction based on reproducibility, variable importance and correlation analyses were performed to select the most relevant features; these were used to train and validate the gradient-boosted tree models.Receiver operating characteristics (ROC) analysis was utilized to evaluate the association between volumetric, laboratory data and adverse outcomes. - Results - In the central PE group, we observed a significant correlation between thrombus volumetrics and D-dimer levels (p = 0.0037), as well as between thrombus volumetrics and hospitalization at the Intermediate Care Unit (IMC) (p = 0.0001). In contrast, no statistically significant differences were identified in thrombus sizes between patients who experienced complications and those who had a favorable course (p = 0.3162). The trained machine learning classifier achieved an accuracy of 61% and 55% in identifying patients with a complicated course, as indicated by an area under the ROC curve of 0.63 and 0.58. - Conclusion - In conclusion, our findings indicate a positive correlation between D-dimer levels and central PE's pulmonary embolic burden. Thrombus volumetrics may serve as an indicator for complications and outcomes in acute PE patients. Thus, thrombus volumetrics, as opposed to D-dimers, could be an additional marker for evaluating embolic disease severity. Moreover, DECT-derived radiomic feature models show promise in identifying patients with a complicated course, such as hospitalization at IMC. | ||
| 650 | 4 | |a D-dimer | |
| 650 | 4 | |a Dual-energy computed tomography | |
| 650 | 4 | |a Prediction | |
| 650 | 4 | |a Pulmonary embolism | |
| 650 | 4 | |a Venous thromboembolism | |
| 700 | 1 | |a Gruenewald, Leon D. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Geyer, Tobias |e VerfasserIn |4 aut | |
| 700 | 1 | |a Eichler, Katrin |e VerfasserIn |4 aut | |
| 700 | 1 | |a Martin, Simon S. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Mahmoudi, Scherwin |e VerfasserIn |4 aut | |
| 700 | 1 | |a Booz, Christian |e VerfasserIn |4 aut | |
| 700 | 1 | |a Biciusca, Teodora |e VerfasserIn |4 aut | |
| 700 | 1 | |a Reschke, Philipp |e VerfasserIn |4 aut | |
| 700 | 1 | |a Juergens, Lisa-Joy |e VerfasserIn |4 aut | |
| 700 | 1 | |a Sommer, Christof-Matthias |d 1978- |e VerfasserIn |0 (DE-588)133929701 |0 (DE-627)558738699 |0 (DE-576)278278035 |4 aut | |
| 700 | 1 | |a D’Angelo, Tommaso |e VerfasserIn |4 aut | |
| 700 | 1 | |a Almansour, Haidara |e VerfasserIn |4 aut | |
| 700 | 1 | |a Onay, Melis |e VerfasserIn |4 aut | |
| 700 | 1 | |a Herrmann, Eva |e VerfasserIn |4 aut | |
| 700 | 1 | |a Vogl, Thomas J. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Koch, Vitali |e VerfasserIn |4 aut | |
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