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| 001 | 286588 | ||
| 005 | 20240701124349.0 | ||
| 024 | 7 | _ | |a 10.1007/s00330-023-10540-3 |2 doi |
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| 100 | 1 | _ | |a Almeida, Silvia D |0 0000-0002-4133-1194 |b 0 |e First author |
| 245 | _ | _ | |a Prediction of disease severity in COPD: a deep learning approach for anomaly-based quantitative assessment of chest CT. |
| 260 | _ | _ | |a Heidelberg |c 2024 |b Springer |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1719830586_5813 |2 PUB:(DE-HGF) |
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| 500 | _ | _ | |a #EA:E230#LA:E230# / 2024 Jul;34(7):4379-4392 |
| 520 | _ | _ | |a To quantify regional manifestations related to COPD as anomalies from a modeled distribution of normal-appearing lung on chest CT using a deep learning (DL) approach, and to assess its potential to predict disease severity.Paired inspiratory/expiratory CT and clinical data from COPDGene and COSYCONET cohort studies were included. COPDGene data served as training/validation/test data sets (N = 3144/786/1310) and COSYCONET as external test set (N = 446). To differentiate low-risk (healthy/minimal disease, [GOLD 0]) from COPD patients (GOLD 1-4), the self-supervised DL model learned semantic information from 50 × 50 × 50 voxel samples from segmented intact lungs. An anomaly detection approach was trained to quantify lung abnormalities related to COPD, as regional deviations. Four supervised DL models were run for comparison. The clinical and radiological predictive power of the proposed anomaly score was assessed using linear mixed effects models (LMM).The proposed approach achieved an area under the curve of 84.3 ± 0.3 (p < 0.001) for COPDGene and 76.3 ± 0.6 (p < 0.001) for COSYCONET, outperforming supervised models even when including only inspiratory CT. Anomaly scores significantly improved fitting of LMM for predicting lung function, health status, and quantitative CT features (emphysema/air trapping; p < 0.001). Higher anomaly scores were significantly associated with exacerbations for both cohorts (p < 0.001) and greater dyspnea scores for COPDGene (p < 0.001).Quantifying heterogeneous COPD manifestations as anomaly offers advantages over supervised methods and was found to be predictive for lung function impairment and morphology deterioration.Using deep learning, lung manifestations of COPD can be identified as deviations from normal-appearing chest CT and attributed an anomaly score which is consistent with decreased pulmonary function, emphysema, and air trapping.• A self-supervised DL anomaly detection method discriminated low-risk individuals and COPD subjects, outperforming classic DL methods on two datasets (COPDGene AUC = 84.3%, COSYCONET AUC = 76.3%). • Our contrastive task exhibits robust performance even without the inclusion of expiratory images, while voxel-based methods demonstrate significant performance enhancement when incorporating expiratory images, in the COPDGene dataset. • Anomaly scores improved the fitting of linear mixed effects models in predicting clinical parameters and imaging alterations (p < 0.001) and were directly associated with clinical outcomes (p < 0.001). |
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| 650 | _ | 7 | |a Artificial intelligence |2 Other |
| 650 | _ | 7 | |a Chronic obstructive pulmonary disease |2 Other |
| 650 | _ | 7 | |a Computed tomography |2 Other |
| 650 | _ | 7 | |a Deep learning |2 Other |
| 700 | 1 | _ | |a Norajitra, Tobias |0 P:(DE-He78)a70f21a2bf78bbc1306c3d432ae08dc7 |b 1 |u dkfz |
| 700 | 1 | _ | |a Lüth, Carsten |0 P:(DE-He78)6a78e3a44a8038881d941fb467eb4e19 |b 2 |u dkfz |
| 700 | 1 | _ | |a Wald, Tassilo |0 P:(DE-He78)4412d586f86ca57943732a2b9318c44f |b 3 |u dkfz |
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| 700 | 1 | _ | |a Nolden, Marco |0 P:(DE-He78)a657bf15b4cbdf70baed30e14c19d9d3 |b 5 |u dkfz |
| 700 | 1 | _ | |a Jäger, Paul |0 P:(DE-He78)04a0b5a49db132d8f00cee326cb743ca |b 6 |u dkfz |
| 700 | 1 | _ | |a von Stackelberg, Oyunbileg |b 7 |
| 700 | 1 | _ | |a Heußel, Claus Peter |b 8 |
| 700 | 1 | _ | |a Weinheimer, Oliver |b 9 |
| 700 | 1 | _ | |a Biederer, Jürgen |b 10 |
| 700 | 1 | _ | |a Kauczor, Hans-Ulrich |b 11 |
| 700 | 1 | _ | |a Maier-Hein, Klaus |0 P:(DE-He78)33c74005e1ce56f7025c4f6be15321b3 |b 12 |e Last author |u dkfz |
| 773 | _ | _ | |a 10.1007/s00330-023-10540-3 |0 PERI:(DE-600)1472718-3 |n 7 |p 4379-4392 |t European radiology |v 34 |y 2024 |x 0938-7994 |
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