Sex-specific prognostic value of automated epicardial adipose tissue quantification on serial lung cancer screening chest computed tomography
Epicardial adipose tissue (EAT) is a metabolically active fat depot associated with coronary atherosclerosis and cardiovascular (CV) risk. While EAT is a known prognostic marker in lung cancer screening, its sex-specific prognostic value remains unclear. This study investigated sex differences in th...
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
29 August 2025
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| In: |
European heart journal - cardiovascular imaging
Year: 2025, Pages: 1-11 |
| ISSN: | 2047-2412 |
| DOI: | 10.1093/ehjci/jeaf257 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.1093/ehjci/jeaf257
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| Author Notes: | Jan M. Brendel, Thomas Mayrhofer, Ibrahim Hadzic, Emilia Norton, Isabel L. Langenbach, Marcel C. Langenbach, Matthias Jung, Vineet K. Raghu, Konstantin Nikolaou, Pamela S. Douglas, Michael T. Lu, Hugo J.W.L . Aerts, and Borek Foldyna |
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| 245 | 1 | 0 | |a Sex-specific prognostic value of automated epicardial adipose tissue quantification on serial lung cancer screening chest computed tomography |c Jan M. Brendel, Thomas Mayrhofer, Ibrahim Hadzic, Emilia Norton, Isabel L. Langenbach, Marcel C. Langenbach, Matthias Jung, Vineet K. Raghu, Konstantin Nikolaou, Pamela S. Douglas, Michael T. Lu, Hugo J.W.L . Aerts, and Borek Foldyna |
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| 520 | |a Epicardial adipose tissue (EAT) is a metabolically active fat depot associated with coronary atherosclerosis and cardiovascular (CV) risk. While EAT is a known prognostic marker in lung cancer screening, its sex-specific prognostic value remains unclear. This study investigated sex differences in the prognostic utility of serial EAT measurements on low-dose chest computed tomography (CT).We analysed baseline and 2-year changes in EAT volume and density using a validated automated deep-learning algorithm in 24 008 heavy-smoking participants from the National Lung Screening Trial (NLST). Sex-stratified multivariable Cox models, adjusted for CV risk factors, body mass index (BMI), and coronary artery calcium (CAC), assessed associations between EAT and all-cause and CV mortality [median follow-up 12.3 years (IQR: 11.9-12.8), 4668 (19.4%) all-cause deaths, 1083 (4.5%) CV deaths]. Women (n = 9841; 41%) were younger, with fewer CV risk factors, lower BMI, fewer pack-years, and lower CAC than men (all P < 0.001). Baseline EAT was associated with similar all-cause and CV mortality risk in both sexes [max. aHR women: 1.70; 95% confidence interval (CI): 1.13-2.55; men: 1.83; 95% CI: 1.40-2.40, P-interaction = 0.986]. However, 2-year EAT changes predicted CV death only in women (aHR: 1.82; 95% CI: 1.37-2.49; P < 0.001), and showed a stronger association with all-cause mortality in women (aHR: 1.52; 95% CI: 1.31-1.77) than in men (aHR: 1.26; 95% CI: 1.13-1.40; P-interaction = 0.041).In this large lung cancer screening cohort, serial EAT changes independently predicted CV mortality in women and were more strongly associated with all-cause mortality in women than in men. These findings support routine EAT quantification on chest CT for improved sex-specific cardiovascular risk stratification. | ||
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| 700 | 1 | |a Hadzic, Ibrahim |e VerfasserIn |4 aut | |
| 700 | 1 | |a Norton, Emilia |e VerfasserIn |4 aut | |
| 700 | 1 | |a Langenbach, Isabel L |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Aerts, Hugo J W L |e VerfasserIn |4 aut | |
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