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An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T
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| Zeitschriftentitel: | Medical Physics |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , |
| In: | Medical Physics, 43, 2016, 4, S. 1897-1906 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
Hu, Xiaoqing Zhang, Lei Zhang, Xiaoliang Zhu, Huabin Chen, Xiao Zhang, Yongqin Chung, Yiu‐Cho Liu, Xin Zheng, Hairong Li, Ye Hu, Xiaoqing Zhang, Lei Zhang, Xiaoliang Zhu, Huabin Chen, Xiao Zhang, Yongqin Chung, Yiu‐Cho Liu, Xin Zheng, Hairong Li, Ye |
|---|---|
| author |
Hu, Xiaoqing Zhang, Lei Zhang, Xiaoliang Zhu, Huabin Chen, Xiao Zhang, Yongqin Chung, Yiu‐Cho Liu, Xin Zheng, Hairong Li, Ye |
| spellingShingle |
Hu, Xiaoqing Zhang, Lei Zhang, Xiaoliang Zhu, Huabin Chen, Xiao Zhang, Yongqin Chung, Yiu‐Cho Liu, Xin Zheng, Hairong Li, Ye Medical Physics An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T General Medicine |
| author_sort |
hu, xiaoqing |
| spelling |
Hu, Xiaoqing Zhang, Lei Zhang, Xiaoliang Zhu, Huabin Chen, Xiao Zhang, Yongqin Chung, Yiu‐Cho Liu, Xin Zheng, Hairong Li, Ye 0094-2405 2473-4209 Wiley General Medicine http://dx.doi.org/10.1118/1.4944500 <jats:sec><jats:title>Purpose:</jats:title><jats:p>Carotid artery diseases due to plaque buildup at the carotid bifurcation are a leading cause of stroke. Accurate plaque quantification and characterization of plaque composition and morphology by magnetic resonance imaging (MRI) is essential to identifying high‐risk patients. Difficulties in detecting plaque, which is physically small, and the unique physiological structure of the carotid artery make use of a radio frequency (RF) coil array with high resolution, large longitudinal coverage, and deep penetration ideal for clinical examinations. The goal of this project was to design and fabricate a sensitive RF coil array with sufficient imaging coverage and signal‐to‐noise ratio (SNR) for carotid artery imaging at 3 T.</jats:p></jats:sec><jats:sec><jats:title>Methods:</jats:title><jats:p>Based on clinical requirements and the anatomical structure of the human carotid artery, an 8‐channel carotid coil array was designed and fabricated for 3 T MRI of the carotid artery in humans. The performance of the proposed 8‐channel carotid coil array was validated through bench tests and MR imaging experiments on a 3 T whole body MRI scanner. Its performance was also compared experimentally to the performance of a commercial 4‐channel phased array carotid coil designed by Machnet BV (Machnet BV coil, Roden, Netherlands).</jats:p></jats:sec><jats:sec><jats:title>Results:</jats:title><jats:p>The 8‐channel carotid coil array performed significantly better in imaging the carotid artery than the commercial 4‐channel Machnet BV coil in terms of the SNR, coverage, and penetration depth. In parallel imaging, the proposed 8‐channel carotid coil array demonstrated a much lower maximum value and average value of the geometry factor in the region of interest. Carotid artery images acquired <jats:italic>in vivo</jats:italic> using the proposed 8‐channel carotid artery coil and the commercial 4‐channel Machnet BV coil were also compared, demonstrating the former's potential for clinical diagnosis.</jats:p></jats:sec><jats:sec><jats:title>Conclusions:</jats:title><jats:p>Based on the analyses of phantom and <jats:italic>in vivo</jats:italic> imaging studies, the proposed 8‐channel carotid coil array has the potential for use in clinical diagnosis, performing better in terms of SNR, imaging coverage, and penetration depth than the commercial 4‐channel carotid artery coil array at 3 T. In future studies, the proposed 8‐channel carotid coil array can also serve as an important part of a large‐scale multichannel coil array for imaging the whole carotid artery system, including the extracranial and intracranial arteries.</jats:p></jats:sec> An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T Medical Physics |
| doi_str_mv |
10.1118/1.4944500 |
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Online |
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Wiley, 2016 |
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Wiley, 2016 |
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0094-2405 2473-4209 |
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Medical Physics |
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| title |
An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_unstemmed |
An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_full |
An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_fullStr |
An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_full_unstemmed |
An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_short |
An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_sort |
an 8‐channel rf coil array for carotid artery mr imaging in humans at 3 t |
| topic |
General Medicine |
| url |
http://dx.doi.org/10.1118/1.4944500 |
| publishDate |
2016 |
| physical |
1897-1906 |
| description |
<jats:sec><jats:title>Purpose:</jats:title><jats:p>Carotid artery diseases due to plaque buildup at the carotid bifurcation are a leading cause of stroke. Accurate plaque quantification and characterization of plaque composition and morphology by magnetic resonance imaging (MRI) is essential to identifying high‐risk patients. Difficulties in detecting plaque, which is physically small, and the unique physiological structure of the carotid artery make use of a radio frequency (RF) coil array with high resolution, large longitudinal coverage, and deep penetration ideal for clinical examinations. The goal of this project was to design and fabricate a sensitive RF coil array with sufficient imaging coverage and signal‐to‐noise ratio (SNR) for carotid artery imaging at 3 T.</jats:p></jats:sec><jats:sec><jats:title>Methods:</jats:title><jats:p>Based on clinical requirements and the anatomical structure of the human carotid artery, an 8‐channel carotid coil array was designed and fabricated for 3 T MRI of the carotid artery in humans. The performance of the proposed 8‐channel carotid coil array was validated through bench tests and MR imaging experiments on a 3 T whole body MRI scanner. Its performance was also compared experimentally to the performance of a commercial 4‐channel phased array carotid coil designed by Machnet BV (Machnet BV coil, Roden, Netherlands).</jats:p></jats:sec><jats:sec><jats:title>Results:</jats:title><jats:p>The 8‐channel carotid coil array performed significantly better in imaging the carotid artery than the commercial 4‐channel Machnet BV coil in terms of the SNR, coverage, and penetration depth. In parallel imaging, the proposed 8‐channel carotid coil array demonstrated a much lower maximum value and average value of the geometry factor in the region of interest. Carotid artery images acquired <jats:italic>in vivo</jats:italic> using the proposed 8‐channel carotid artery coil and the commercial 4‐channel Machnet BV coil were also compared, demonstrating the former's potential for clinical diagnosis.</jats:p></jats:sec><jats:sec><jats:title>Conclusions:</jats:title><jats:p>Based on the analyses of phantom and <jats:italic>in vivo</jats:italic> imaging studies, the proposed 8‐channel carotid coil array has the potential for use in clinical diagnosis, performing better in terms of SNR, imaging coverage, and penetration depth than the commercial 4‐channel carotid artery coil array at 3 T. In future studies, the proposed 8‐channel carotid coil array can also serve as an important part of a large‐scale multichannel coil array for imaging the whole carotid artery system, including the extracranial and intracranial arteries.</jats:p></jats:sec> |
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| _version_ | 1792335198749196296 |
| author | Hu, Xiaoqing, Zhang, Lei, Zhang, Xiaoliang, Zhu, Huabin, Chen, Xiao, Zhang, Yongqin, Chung, Yiu‐Cho, Liu, Xin, Zheng, Hairong, Li, Ye |
| author_facet | Hu, Xiaoqing, Zhang, Lei, Zhang, Xiaoliang, Zhu, Huabin, Chen, Xiao, Zhang, Yongqin, Chung, Yiu‐Cho, Liu, Xin, Zheng, Hairong, Li, Ye, Hu, Xiaoqing, Zhang, Lei, Zhang, Xiaoliang, Zhu, Huabin, Chen, Xiao, Zhang, Yongqin, Chung, Yiu‐Cho, Liu, Xin, Zheng, Hairong, Li, Ye |
| author_sort | hu, xiaoqing |
| container_issue | 4 |
| container_start_page | 1897 |
| container_title | Medical Physics |
| container_volume | 43 |
| description | <jats:sec><jats:title>Purpose:</jats:title><jats:p>Carotid artery diseases due to plaque buildup at the carotid bifurcation are a leading cause of stroke. Accurate plaque quantification and characterization of plaque composition and morphology by magnetic resonance imaging (MRI) is essential to identifying high‐risk patients. Difficulties in detecting plaque, which is physically small, and the unique physiological structure of the carotid artery make use of a radio frequency (RF) coil array with high resolution, large longitudinal coverage, and deep penetration ideal for clinical examinations. The goal of this project was to design and fabricate a sensitive RF coil array with sufficient imaging coverage and signal‐to‐noise ratio (SNR) for carotid artery imaging at 3 T.</jats:p></jats:sec><jats:sec><jats:title>Methods:</jats:title><jats:p>Based on clinical requirements and the anatomical structure of the human carotid artery, an 8‐channel carotid coil array was designed and fabricated for 3 T MRI of the carotid artery in humans. The performance of the proposed 8‐channel carotid coil array was validated through bench tests and MR imaging experiments on a 3 T whole body MRI scanner. Its performance was also compared experimentally to the performance of a commercial 4‐channel phased array carotid coil designed by Machnet BV (Machnet BV coil, Roden, Netherlands).</jats:p></jats:sec><jats:sec><jats:title>Results:</jats:title><jats:p>The 8‐channel carotid coil array performed significantly better in imaging the carotid artery than the commercial 4‐channel Machnet BV coil in terms of the SNR, coverage, and penetration depth. In parallel imaging, the proposed 8‐channel carotid coil array demonstrated a much lower maximum value and average value of the geometry factor in the region of interest. Carotid artery images acquired <jats:italic>in vivo</jats:italic> using the proposed 8‐channel carotid artery coil and the commercial 4‐channel Machnet BV coil were also compared, demonstrating the former's potential for clinical diagnosis.</jats:p></jats:sec><jats:sec><jats:title>Conclusions:</jats:title><jats:p>Based on the analyses of phantom and <jats:italic>in vivo</jats:italic> imaging studies, the proposed 8‐channel carotid coil array has the potential for use in clinical diagnosis, performing better in terms of SNR, imaging coverage, and penetration depth than the commercial 4‐channel carotid artery coil array at 3 T. In future studies, the proposed 8‐channel carotid coil array can also serve as an important part of a large‐scale multichannel coil array for imaging the whole carotid artery system, including the extracranial and intracranial arteries.</jats:p></jats:sec> |
| doi_str_mv | 10.1118/1.4944500 |
| facet_avail | Online |
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| geogr_code | not assigned |
| geogr_code_person | not assigned |
| id | ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTExOC8xLjQ5NDQ1MDA |
| imprint | Wiley, 2016 |
| imprint_str_mv | Wiley, 2016 |
| institution | DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Rs1, DE-Pl11, DE-105, DE-14, DE-Ch1, DE-L229 |
| issn | 0094-2405, 2473-4209 |
| issn_str_mv | 0094-2405, 2473-4209 |
| language | English |
| last_indexed | 2024-03-01T14:40:44.928Z |
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| mega_collection | Wiley (CrossRef) |
| physical | 1897-1906 |
| publishDate | 2016 |
| publishDateSort | 2016 |
| publisher | Wiley |
| record_format | ai |
| recordtype | ai |
| series | Medical Physics |
| source_id | 49 |
| spelling | Hu, Xiaoqing Zhang, Lei Zhang, Xiaoliang Zhu, Huabin Chen, Xiao Zhang, Yongqin Chung, Yiu‐Cho Liu, Xin Zheng, Hairong Li, Ye 0094-2405 2473-4209 Wiley General Medicine http://dx.doi.org/10.1118/1.4944500 <jats:sec><jats:title>Purpose:</jats:title><jats:p>Carotid artery diseases due to plaque buildup at the carotid bifurcation are a leading cause of stroke. Accurate plaque quantification and characterization of plaque composition and morphology by magnetic resonance imaging (MRI) is essential to identifying high‐risk patients. Difficulties in detecting plaque, which is physically small, and the unique physiological structure of the carotid artery make use of a radio frequency (RF) coil array with high resolution, large longitudinal coverage, and deep penetration ideal for clinical examinations. The goal of this project was to design and fabricate a sensitive RF coil array with sufficient imaging coverage and signal‐to‐noise ratio (SNR) for carotid artery imaging at 3 T.</jats:p></jats:sec><jats:sec><jats:title>Methods:</jats:title><jats:p>Based on clinical requirements and the anatomical structure of the human carotid artery, an 8‐channel carotid coil array was designed and fabricated for 3 T MRI of the carotid artery in humans. The performance of the proposed 8‐channel carotid coil array was validated through bench tests and MR imaging experiments on a 3 T whole body MRI scanner. Its performance was also compared experimentally to the performance of a commercial 4‐channel phased array carotid coil designed by Machnet BV (Machnet BV coil, Roden, Netherlands).</jats:p></jats:sec><jats:sec><jats:title>Results:</jats:title><jats:p>The 8‐channel carotid coil array performed significantly better in imaging the carotid artery than the commercial 4‐channel Machnet BV coil in terms of the SNR, coverage, and penetration depth. In parallel imaging, the proposed 8‐channel carotid coil array demonstrated a much lower maximum value and average value of the geometry factor in the region of interest. Carotid artery images acquired <jats:italic>in vivo</jats:italic> using the proposed 8‐channel carotid artery coil and the commercial 4‐channel Machnet BV coil were also compared, demonstrating the former's potential for clinical diagnosis.</jats:p></jats:sec><jats:sec><jats:title>Conclusions:</jats:title><jats:p>Based on the analyses of phantom and <jats:italic>in vivo</jats:italic> imaging studies, the proposed 8‐channel carotid coil array has the potential for use in clinical diagnosis, performing better in terms of SNR, imaging coverage, and penetration depth than the commercial 4‐channel carotid artery coil array at 3 T. In future studies, the proposed 8‐channel carotid coil array can also serve as an important part of a large‐scale multichannel coil array for imaging the whole carotid artery system, including the extracranial and intracranial arteries.</jats:p></jats:sec> An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T Medical Physics |
| spellingShingle | Hu, Xiaoqing, Zhang, Lei, Zhang, Xiaoliang, Zhu, Huabin, Chen, Xiao, Zhang, Yongqin, Chung, Yiu‐Cho, Liu, Xin, Zheng, Hairong, Li, Ye, Medical Physics, An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T, General Medicine |
| title | An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_full | An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_fullStr | An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_full_unstemmed | An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_short | An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| title_sort | an 8‐channel rf coil array for carotid artery mr imaging in humans at 3 t |
| title_unstemmed | An 8‐channel RF coil array for carotid artery MR imaging in humans at 3 T |
| topic | General Medicine |
| url | http://dx.doi.org/10.1118/1.4944500 |