Compressed sensing and parallel imaging accelerated T2 FSE sequence for head and neck MR imaging: Comparison of its utility in routine clinical practice
•Compressed sensing (CS) is a new method for head and neck MR image acquisition.•Parallel imaging (PI) with CS can reduce examination time as compared with PI.•The new sequence performed slightly better than the old sequence at reduced scan time. To directly compare the capability of compressed sens...
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| Veröffentlicht in: | European journal of radiology 2021-02, Vol.135, p.109501-109501, Article 109501 |
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| container_title | European journal of radiology |
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| creator | Ikeda, Hirotaka Ohno, Yoshiharu Murayama, Kazuhiro Yamamoto, Kaori Iwase, Akiyoshi Fukuba, Takashi Toyama, Hiroshi |
| description | •Compressed sensing (CS) is a new method for head and neck MR image acquisition.•Parallel imaging (PI) with CS can reduce examination time as compared with PI.•The new sequence performed slightly better than the old sequence at reduced scan time.
To directly compare the capability of compressed sensing (CS) and parallel imaging (PI) accelerated T2 FSE (Fast Spin Echo) sequence with PI for head and neck MR imaging.
Thirty consecutive patients with various head and neck diseases (15 men and 15 women, mean age 53 ± 22 years) underwent MR imaging by PI with CS and by PI. Reduction factors were as follows: PI with CS, 3 and PI, 1.5. Examination times for PI with CS and PI were all recorded. For quantitative image quality assessment, signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were calculated. For qualitative assessment, two investigators assessed overall image quality, artifacts and diagnostic confidence level using a 5-point scoring system, and final scores were determined by consensus of two readers. Mean examination time and all indexes were compared by means of paired t-test and Wilcoxon signed-rank test. Inter-observer agreement for each qualitative index was assessed in terms of kappa statistics.
Mean examination time for PI with CS (83.5 ± 11.0 s) was significantly shorter than that for PI (173.0 ± 54.4 s, p |
| doi_str_mv | 10.1016/j.ejrad.2020.109501 |
| format | Article |
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To directly compare the capability of compressed sensing (CS) and parallel imaging (PI) accelerated T2 FSE (Fast Spin Echo) sequence with PI for head and neck MR imaging.
Thirty consecutive patients with various head and neck diseases (15 men and 15 women, mean age 53 ± 22 years) underwent MR imaging by PI with CS and by PI. Reduction factors were as follows: PI with CS, 3 and PI, 1.5. Examination times for PI with CS and PI were all recorded. For quantitative image quality assessment, signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were calculated. For qualitative assessment, two investigators assessed overall image quality, artifacts and diagnostic confidence level using a 5-point scoring system, and final scores were determined by consensus of two readers. Mean examination time and all indexes were compared by means of paired t-test and Wilcoxon signed-rank test. Inter-observer agreement for each qualitative index was assessed in terms of kappa statistics.
Mean examination time for PI with CS (83.5 ± 11.0 s) was significantly shorter than that for PI (173.0 ± 54.4 s, p < 0.0001). SNR and CNR of PI with CS were significantly better than those with PI (mean SNR; 11.2 ± 3.6 vs 8.9 ± 2.6, median of CNR; 7.4 vs. 6.1, p < 0.0001). All inter-observer agreements were assessed as significant and substantial (0.62 < κ < 0.81).
PI with CS accelerated T2 weighted sequence performs equally well or even slightly better than its PI accelerated, conventional counterpart at reduced scan times in the context of head and neck MR imaging.</description><identifier>ISSN: 0720-048X</identifier><identifier>EISSN: 1872-7727</identifier><identifier>DOI: 10.1016/j.ejrad.2020.109501</identifier><identifier>PMID: 33395594</identifier><language>eng</language><publisher>Ireland: Elsevier B.V</publisher><subject>Adult ; Aged ; Compressed sensing ; Female ; Head and neck ; Humans ; Imaging, Three-Dimensional ; Magnetic Resonance Imaging ; Male ; Middle Aged ; MR imaging ; Parallel imaging ; Pressure ; Signal-To-Noise Ratio</subject><ispartof>European journal of radiology, 2021-02, Vol.135, p.109501-109501, Article 109501</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright © 2020 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c425t-2b921e206afe106e88dd8a25bfce005e20ab4007c3d3424c3f511829ff2c5cd93</citedby><cites>FETCH-LOGICAL-c425t-2b921e206afe106e88dd8a25bfce005e20ab4007c3d3424c3f511829ff2c5cd93</cites><orcidid>0000-0002-6945-8816 ; 0000-0002-4431-1084 ; 0000-0002-5341-1693</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0720048X20306914$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33395594$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ikeda, Hirotaka</creatorcontrib><creatorcontrib>Ohno, Yoshiharu</creatorcontrib><creatorcontrib>Murayama, Kazuhiro</creatorcontrib><creatorcontrib>Yamamoto, Kaori</creatorcontrib><creatorcontrib>Iwase, Akiyoshi</creatorcontrib><creatorcontrib>Fukuba, Takashi</creatorcontrib><creatorcontrib>Toyama, Hiroshi</creatorcontrib><title>Compressed sensing and parallel imaging accelerated T2 FSE sequence for head and neck MR imaging: Comparison of its utility in routine clinical practice</title><title>European journal of radiology</title><addtitle>Eur J Radiol</addtitle><description>•Compressed sensing (CS) is a new method for head and neck MR image acquisition.•Parallel imaging (PI) with CS can reduce examination time as compared with PI.•The new sequence performed slightly better than the old sequence at reduced scan time.
To directly compare the capability of compressed sensing (CS) and parallel imaging (PI) accelerated T2 FSE (Fast Spin Echo) sequence with PI for head and neck MR imaging.
Thirty consecutive patients with various head and neck diseases (15 men and 15 women, mean age 53 ± 22 years) underwent MR imaging by PI with CS and by PI. Reduction factors were as follows: PI with CS, 3 and PI, 1.5. Examination times for PI with CS and PI were all recorded. For quantitative image quality assessment, signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were calculated. For qualitative assessment, two investigators assessed overall image quality, artifacts and diagnostic confidence level using a 5-point scoring system, and final scores were determined by consensus of two readers. Mean examination time and all indexes were compared by means of paired t-test and Wilcoxon signed-rank test. Inter-observer agreement for each qualitative index was assessed in terms of kappa statistics.
Mean examination time for PI with CS (83.5 ± 11.0 s) was significantly shorter than that for PI (173.0 ± 54.4 s, p < 0.0001). SNR and CNR of PI with CS were significantly better than those with PI (mean SNR; 11.2 ± 3.6 vs 8.9 ± 2.6, median of CNR; 7.4 vs. 6.1, p < 0.0001). All inter-observer agreements were assessed as significant and substantial (0.62 < κ < 0.81).
PI with CS accelerated T2 weighted sequence performs equally well or even slightly better than its PI accelerated, conventional counterpart at reduced scan times in the context of head and neck MR imaging.</description><subject>Adult</subject><subject>Aged</subject><subject>Compressed sensing</subject><subject>Female</subject><subject>Head and neck</subject><subject>Humans</subject><subject>Imaging, Three-Dimensional</subject><subject>Magnetic Resonance Imaging</subject><subject>Male</subject><subject>Middle Aged</subject><subject>MR imaging</subject><subject>Parallel imaging</subject><subject>Pressure</subject><subject>Signal-To-Noise Ratio</subject><issn>0720-048X</issn><issn>1872-7727</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kV9rFDEUxYModq1-AkHy6Mus-TPZmRF8kKVVoSK0FXwL2ZubmjWbjMlsod_Ej2tmt-1jn0Lu_Z0cTg4hbzlbcsZXH7ZL3GZjl4KJeTIoxp-RBe870XSd6J6TBesEa1jb_zohr0rZMsZUO4iX5ERKOSg1tAvyb512Y8ZS0NKCsfh4Q020dDTZhICB-p25OQwBMGA2UwWvBT2_Oqv83z1GQOpSpr_R2IMyIvyh3y8fhB_p7GCyLynS5KifCt1PPvjpjvpIc6qXiBSCjx5MoGM2MHnA1-SFM6Hgm_vzlPw8P7tef20ufnz5tv580UAr1NSIzSA4CrYyDjlbYd9b2xuhNg6wxq0bs2kZ60Ba2YoWpFOc92JwToACO8hT8v747phTjVMmvfOlRg0mYtoXLdpOyWHFe15ReUQhp1IyOj3mmjLfac70XIne6kMleq5EHyupqnf3BvvNDu2j5qGDCnw6Alhj3nrMuoCf_9X6jDBpm_yTBv8BwcefdQ</recordid><startdate>202102</startdate><enddate>202102</enddate><creator>Ikeda, Hirotaka</creator><creator>Ohno, Yoshiharu</creator><creator>Murayama, Kazuhiro</creator><creator>Yamamoto, Kaori</creator><creator>Iwase, Akiyoshi</creator><creator>Fukuba, Takashi</creator><creator>Toyama, Hiroshi</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-6945-8816</orcidid><orcidid>https://orcid.org/0000-0002-4431-1084</orcidid><orcidid>https://orcid.org/0000-0002-5341-1693</orcidid></search><sort><creationdate>202102</creationdate><title>Compressed sensing and parallel imaging accelerated T2 FSE sequence for head and neck MR imaging: Comparison of its utility in routine clinical practice</title><author>Ikeda, Hirotaka ; Ohno, Yoshiharu ; Murayama, Kazuhiro ; Yamamoto, Kaori ; Iwase, Akiyoshi ; Fukuba, Takashi ; Toyama, Hiroshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c425t-2b921e206afe106e88dd8a25bfce005e20ab4007c3d3424c3f511829ff2c5cd93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Compressed sensing</topic><topic>Female</topic><topic>Head and neck</topic><topic>Humans</topic><topic>Imaging, Three-Dimensional</topic><topic>Magnetic Resonance Imaging</topic><topic>Male</topic><topic>Middle Aged</topic><topic>MR imaging</topic><topic>Parallel imaging</topic><topic>Pressure</topic><topic>Signal-To-Noise Ratio</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ikeda, Hirotaka</creatorcontrib><creatorcontrib>Ohno, Yoshiharu</creatorcontrib><creatorcontrib>Murayama, Kazuhiro</creatorcontrib><creatorcontrib>Yamamoto, Kaori</creatorcontrib><creatorcontrib>Iwase, Akiyoshi</creatorcontrib><creatorcontrib>Fukuba, Takashi</creatorcontrib><creatorcontrib>Toyama, Hiroshi</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>European journal of radiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ikeda, Hirotaka</au><au>Ohno, Yoshiharu</au><au>Murayama, Kazuhiro</au><au>Yamamoto, Kaori</au><au>Iwase, Akiyoshi</au><au>Fukuba, Takashi</au><au>Toyama, Hiroshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Compressed sensing and parallel imaging accelerated T2 FSE sequence for head and neck MR imaging: Comparison of its utility in routine clinical practice</atitle><jtitle>European journal of radiology</jtitle><addtitle>Eur J Radiol</addtitle><date>2021-02</date><risdate>2021</risdate><volume>135</volume><spage>109501</spage><epage>109501</epage><pages>109501-109501</pages><artnum>109501</artnum><issn>0720-048X</issn><eissn>1872-7727</eissn><abstract>•Compressed sensing (CS) is a new method for head and neck MR image acquisition.•Parallel imaging (PI) with CS can reduce examination time as compared with PI.•The new sequence performed slightly better than the old sequence at reduced scan time.
To directly compare the capability of compressed sensing (CS) and parallel imaging (PI) accelerated T2 FSE (Fast Spin Echo) sequence with PI for head and neck MR imaging.
Thirty consecutive patients with various head and neck diseases (15 men and 15 women, mean age 53 ± 22 years) underwent MR imaging by PI with CS and by PI. Reduction factors were as follows: PI with CS, 3 and PI, 1.5. Examination times for PI with CS and PI were all recorded. For quantitative image quality assessment, signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were calculated. For qualitative assessment, two investigators assessed overall image quality, artifacts and diagnostic confidence level using a 5-point scoring system, and final scores were determined by consensus of two readers. Mean examination time and all indexes were compared by means of paired t-test and Wilcoxon signed-rank test. Inter-observer agreement for each qualitative index was assessed in terms of kappa statistics.
Mean examination time for PI with CS (83.5 ± 11.0 s) was significantly shorter than that for PI (173.0 ± 54.4 s, p < 0.0001). SNR and CNR of PI with CS were significantly better than those with PI (mean SNR; 11.2 ± 3.6 vs 8.9 ± 2.6, median of CNR; 7.4 vs. 6.1, p < 0.0001). All inter-observer agreements were assessed as significant and substantial (0.62 < κ < 0.81).
PI with CS accelerated T2 weighted sequence performs equally well or even slightly better than its PI accelerated, conventional counterpart at reduced scan times in the context of head and neck MR imaging.</abstract><cop>Ireland</cop><pub>Elsevier B.V</pub><pmid>33395594</pmid><doi>10.1016/j.ejrad.2020.109501</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0002-6945-8816</orcidid><orcidid>https://orcid.org/0000-0002-4431-1084</orcidid><orcidid>https://orcid.org/0000-0002-5341-1693</orcidid></addata></record> |
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| subjects | Adult Aged Compressed sensing Female Head and neck Humans Imaging, Three-Dimensional Magnetic Resonance Imaging Male Middle Aged MR imaging Parallel imaging Pressure Signal-To-Noise Ratio |
| title | Compressed sensing and parallel imaging accelerated T2 FSE sequence for head and neck MR imaging: Comparison of its utility in routine clinical practice |
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