Determinants of ascending aortic morphology: Cross-sectional deep learning-based analysis on 25,073 non-contrast-enhanced NAKO MRI studies.

IF 6.7 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS
Louisa Fay, Tobias Hepp, Moritz T Winkelmann, Annette Peters, Margit Heier, Thoralf Niendorf, Tobias Pischon, Beate Endemann, Jeanette Schulz-Menger, Lilian Krist, Matthias B Schulze, Rafael Mikolajczyk, Andreas Wienke, Nadia Obi, Bernard C Silenou, Berit Lange, Hans-Ulrich Kauczor, Wolfgang Lieb, Hansjörg Baurecht, Michael Leitzmann, Kira Trares, Hermann Brenner, Karin B Michels, Stefanie Jaskulski, Henry Völzke, Konstantin Nikolaou, Christopher L Schlett, Fabian Bamberg, Mario Lescan, Bin Yang, Thomas Küstner, Sergios Gatidis
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引用次数: 0

Abstract

Aims: Understanding determinants of thoracic aortic morphology is crucial for precise diagnostics and therapeutic approaches. This study aimed to automatically characterize ascending aortic morphology based on 3D non-contrast-enhanced magnetic resonance angiography (NC-MRA) data from the epidemiological cross-sectional German National Cohort (NAKO) and to investigate possible determinants of mid-ascending aortic diameter (mid-AAoD).

Methods and results: Deep learning (DL) automatically segmented the thoracic aorta and ascending aortic length, volume, and diameter was extracted from 25,073 NC-MRAs. Statistical analyses investigated relationships between mid-AAoD and demographic factors, hypertension, diabetes, alcohol, and tobacco consumption. Males exhibited significantly larger mid-AAoD than females (M:35.5±4.8mm, F:33.3±4.5mm). Age and body surface area (BSA) were positively correlated with mid-AAoD (age: male: r²=0.20, p<0.001, female: r²=0.16, p<0.001; BSA: male: r²=0.08, p<0.001, female: r²=0.05, p<0.001). Hypertensive and diabetic subjects showed higher mid-AAoD (ΔHypertension = 2.9 ± 0.5mm; ΔDiabetes = 1.5 ± 0.6mm). Hypertension was linked to higher mid-AAoD regardless of age and BSA, while diabetes and mid-AAoD were uncorrelated across age-stratified subgroups. Daily alcohol consumption (male: 37.4±5.1mm, female: 35.0±4.8mm) and smoking history exceeding 16.5 pack-years (male: 36.6±5.0mm, female: 33.9±4.3mm) exhibited highest mid-AAoD. Causal analysis (Peter-Clark algorithm) suggested that age, BSA, hypertension, and alcohol consumption are possibly causally related to mid-AAoD, while diabetes and smoking are likely spuriously correlated.

Conclusions: This study demonstrates the potential of DL and causal analysis for understanding ascending aortic morphology. By disentangling observed correlations using causal analysis, this approach identifies possible causal determinants, such as age, BSA, hypertension, and alcohol consumption. These findings can inform targeted diagnostics and preventive strategies, supporting clinical decision-making for cardiovascular health.

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来源期刊
European Heart Journal - Cardiovascular Imaging
European Heart Journal - Cardiovascular Imaging CARDIAC & CARDIOVASCULAR SYSTEMS-
CiteScore
11.60
自引率
9.70%
发文量
708
审稿时长
4-8 weeks
期刊介绍: European Heart Journal – Cardiovascular Imaging is a monthly international peer reviewed journal dealing with Cardiovascular Imaging. It is an official publication of the European Association of Cardiovascular Imaging, a branch of the European Society of Cardiology. The journal aims to publish the highest quality material, both scientific and clinical from all areas of cardiovascular imaging including echocardiography, magnetic resonance, computed tomography, nuclear and invasive imaging. A range of article types will be considered, including original research, reviews, editorials, image focus, letters and recommendation papers from relevant groups of the European Society of Cardiology. In addition it provides a forum for the exchange of information on all aspects of cardiovascular imaging.
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