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Comparison of diametric and volumetric changes in Stanford type B aortic dissection patients in assessing aortic remodeling post-stent graft treatment

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机构： [1]Faculty of Mechanical and Automotive Engineering Technology, University Malaysia Pahang, 26600, Pekan, Pahang, Malaysia [2]Discipline of Medical Radiation Science, Curtin University, Perth 6845, Australia [3]Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia [4]Department of Mechanical, Materials and Manufacturing, Faculty of Science and Engineering, University of Nottingham Malaysia, 43500 Semenyih, Selangor, Malaysia [5]Department of Vascular Surgery, Sir Charles Gairdner Hospital, Nedlands, Perth WA 6009, Australia [6]Curtin Medical School, Curtin University, Perth 6845, Australia [7]University of Western Australia, Crawley WA 6009, Australia [8]Department of Medical Imaging, First Affiliated Hospital of Kunming Medical University, Kunming, China [9]Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia [10]Department of Surgery, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia [11]Department of Medicine, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia

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关键词： Aortic dissection Aortic remodeling Computed tomography angiography Maximal diameter Volume

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Background: The study aims to analyze the correlation between the maximal diameter (both axial and orthogonal) and volume changes in the true (TL) and false lumens (FL) after stent-grafting for Stanford type B aortic dissection. Method: Computed tomography angiography was performed on 13 type B aortic dissection patients before and after procedure, and at 6 and 12 months follow-up. The lumens were divided into three regions: The stented area (Region 1), distal to the stent graft to the celiac artery (Region 2), and between the celiac artery and the iliac bifurcation (Region 3). Changes in aortic morphology were quantified by the increase or decrease of diametric and volumetric percentages from baseline measurements. Results: At Region 1, the TL diameter and volume increased (pre-treatment: Volume =51.4±41.9 mL, maximal axial diameter =22.4±6.8 mm, maximal orthogonal diameter =21.6±7.2 mm; follow-up: Volume =130.7±69.2 mL, maximal axial diameter =40.1±8.1 mm, maximal orthogonal diameter =31.9+2.6 mm, P<0.05 for all comparisons), while FL decreased (pre-treatment: Volume =129.6±150.5 mL; maximal axial diameter =43.0±15.8 mm; maximal orthogonal diameter =28.3±12.6 mm; follow-up: Volume =66.6±95.0 mL, maximal axial diameter =24.5±19.9 mm, maximal orthogonal diameter =16.9±13.7, P<0.05 for all comparisons). Due to the uniformity in size throughout the vessel, high concordance was observed between diametric and volumetric measurements in the stented region with 93% and 92% between maximal axial diameter and volume for the true/false lumens, and 90% and 92% between maximal orthogonal diameter and volume for the true/false lumens. Large discrepancies were observed between the different measurement methods at regions distal to the stent graft, with up to 46% differences between maximal orthogonal diameter and volume. Conclusions: Volume measurement was shown to be a much more sensitive indicator in identifying lumenexpansion/shrinkage at the distal stented region.. © Quantitative Imaging in Medicine and Surgery. All rights reserved.

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出版当年[2022]版：

大类 | 3 区医学

小类 | 3 区核医学

最新[2023]版：

大类 | 2 区医学

小类 | 3 区核医学

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出版当年[2021]版：

Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

最新[2023]版：

Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

影响因子： 2.9 最新[2023版] 3.2 最新五年平均 4.63 出版当年[2021版] 4.485 出版当年五年平均 3.837 出版前一年[2020版] 2.9 出版后一年[2022版]

第一作者：

第一作者机构： [1]Faculty of Mechanical and Automotive Engineering Technology, University Malaysia Pahang, 26600, Pekan, Pahang, Malaysia

通讯作者：

通讯机构： [2]Discipline of Medical Radiation Science, Curtin University, Perth 6845, Australia [3]Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia [*1]Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia. [*2]Discipline of Medical Radiation Science, Curtin Medical School, Curtin University, Perth 6845, Australia.

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Comparison of diametric and volumetric changes in Stanford type B aortic dissection patients in assessing aortic remodeling post-stent graft treatment

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