Carotid and aortic plaque imaging using 3D gradient-echo imaging and the three-point Dixon method with improved motion-sensitized driven-equilibrium (iMSDE).
Autor: | Koori N; Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences 4669-2 Ami, Ibaraki 300-03, Japan; Division of Health Sciences, Kanazawa University Graduate School of Medical Sciences, 5-11-80 Kodatsuno, Kanazawa, Ishikawa 920-0942, Japan. Electronic address: koorino@ipu.ac.jp., Kamekawa H; Department of Radiology, Komaki City Hospital, 1-20 Jyoubushi, Komaki, Aichi 485-8520, Japan., Naito T; Department of Neurosurgery, Komaki City Hospital, 1-20 Jyoubushi, Komaki, Aichi 485-8520, Japan., Takatsu Y; Division of Health Sciences, Kanazawa University Graduate School of Medical Sciences, 5-11-80 Kodatsuno, Kanazawa, Ishikawa 920-0942, Japan; School of Medical Sciences, Fujita Health University, Molecular Imaging, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan., Fuse H; Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences 4669-2 Ami, Ibaraki 300-03, Japan., Miyakawa S; Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences 4669-2 Ami, Ibaraki 300-03, Japan., Yasue K; Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences 4669-2 Ami, Ibaraki 300-03, Japan., Takahashi M; Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences 4669-2 Ami, Ibaraki 300-03, Japan., Kurata K; Department of Radiology, Komaki City Hospital, 1-20 Jyoubushi, Komaki, Aichi 485-8520, Japan. |
---|---|
Jazyk: | angličtina |
Zdroj: | Magnetic resonance imaging [Magn Reson Imaging] 2024 Sep; Vol. 111, pp. 202-209. Date of Electronic Publication: 2024 Mar 27. |
DOI: | 10.1016/j.mri.2024.03.036 |
Abstrakt: | Background: We devised a method that combines the 3D-Dixon-gradientecho (GRE) method with an improved motion-sensitized driven-equilibrium (iMSDE) to suppress blood flow signals. Purpose: The purpose of this study was to evaluate the effectiveness of the new method we developed plaque imaging method (3D-Dixon-GRE with the iMSDE method). Study Type: Retrospective cohort. Population: Thirty-nine patients who underwent cervical plaque imaging. Field Strength/sequence: 3.0 T/3D-GRE. Assessment: Signal intensities of the common carotid artery, aorta, plaque, muscle, and subcutaneous fat were measured through the VISTA and the 3D-Dixon-GRE with iMSDE methods, and each contrast was calculated. Statistical Test: Used the Mann Whitney U test. P-values below 0.05 were considered statistically significant. Results: Plaque and muscle contrast estimated through the VISTA method and 3D-Dixon-GRE with iMSDE method was 1.60 ± 0.96 and 2.04 ± 1.06, respectively, (P < 0.05). The contrast between the flow (common carotid artery and Aorta) and muscle according to the VISTA method and 3D-Dixon-GRE with iMSDE method was 0.24 ± 0.11 and 0.40 ± 0.12, respectively (P < 0.001). Finally, the mean contrast for subcutaneous fat and muscle at six locations was 3.05 ± 1.25 and 0.81 ± 0.23 for the VISTA method and 3D-Dixon-GRE with the iMSDE method, respectively (P < 0.001). Data Conclusion: Compared to the conventional method (VISTA), the 3D-Dixon-GRE with iMSDE method is preferable in relation to the fat suppression effect, but it is disadvantageous regarding blood flow signal suppression. Therefore, the 3D-Dixon-GRE with the iMSDE method could be considered useful for plaque imaging. Competing Interests: Declaration of competing interest No conflicts of interest. (Copyright © 2024 Elsevier Inc. All rights reserved.) |
Databáze: | MEDLINE |
Externí odkaz: |
načítá se...