Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation
Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23...
Ausführliche Beschreibung
Autor*in: |
Raudner, Marcus [verfasserIn] Schreiner, Markus M. [verfasserIn] Hilbert, Tom [verfasserIn] Kober, Tobias [verfasserIn] Weber, Michael [verfasserIn] Szelényi, Anna [verfasserIn] Windhager, Reinhard [verfasserIn] Juras, Vladimir [verfasserIn] Trattnig, Siegfried [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2020 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: European radiology - Berlin : Springer, 1991, 31(2020), 6 vom: 03. Dez., Seite 3590-3599 |
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Übergeordnetes Werk: |
volume:31 ; year:2020 ; number:6 ; day:03 ; month:12 ; pages:3590-3599 |
Links: |
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DOI / URN: |
10.1007/s00330-020-07538-6 |
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Katalog-ID: |
SPR044052758 |
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245 | 1 | 0 | |a Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation |
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520 | |a Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015). | ||
650 | 4 | |a Spine |7 (dpeaa)DE-He213 | |
650 | 4 | |a Intervertebral disc |7 (dpeaa)DE-He213 | |
650 | 4 | |a Intervertebral disc displacement |7 (dpeaa)DE-He213 | |
650 | 4 | |a Intervertebral disc degeneration |7 (dpeaa)DE-He213 | |
700 | 1 | |a Schreiner, Markus M. |e verfasserin |4 aut | |
700 | 1 | |a Hilbert, Tom |e verfasserin |4 aut | |
700 | 1 | |a Kober, Tobias |e verfasserin |4 aut | |
700 | 1 | |a Weber, Michael |e verfasserin |4 aut | |
700 | 1 | |a Szelényi, Anna |e verfasserin |4 aut | |
700 | 1 | |a Windhager, Reinhard |e verfasserin |4 aut | |
700 | 1 | |a Juras, Vladimir |e verfasserin |4 aut | |
700 | 1 | |a Trattnig, Siegfried |e verfasserin |4 aut | |
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10.1007/s00330-020-07538-6 doi (DE-627)SPR044052758 (DE-599)SPRs00330-020-07538-6-e (SPR)s00330-020-07538-6-e DE-627 ger DE-627 rakwb eng 610 ASE 44.64 bkl Raudner, Marcus verfasserin aut Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015). Spine (dpeaa)DE-He213 Intervertebral disc (dpeaa)DE-He213 Intervertebral disc displacement (dpeaa)DE-He213 Intervertebral disc degeneration (dpeaa)DE-He213 Schreiner, Markus M. verfasserin aut Hilbert, Tom verfasserin aut Kober, Tobias verfasserin aut Weber, Michael verfasserin aut Szelényi, Anna verfasserin aut Windhager, Reinhard verfasserin aut Juras, Vladimir verfasserin aut Trattnig, Siegfried verfasserin aut Enthalten in European radiology Berlin : Springer, 1991 31(2020), 6 vom: 03. Dez., Seite 3590-3599 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:31 year:2020 number:6 day:03 month:12 pages:3590-3599 https://dx.doi.org/10.1007/s00330-020-07538-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.64 ASE AR 31 2020 6 03 12 3590-3599 |
spelling |
10.1007/s00330-020-07538-6 doi (DE-627)SPR044052758 (DE-599)SPRs00330-020-07538-6-e (SPR)s00330-020-07538-6-e DE-627 ger DE-627 rakwb eng 610 ASE 44.64 bkl Raudner, Marcus verfasserin aut Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015). Spine (dpeaa)DE-He213 Intervertebral disc (dpeaa)DE-He213 Intervertebral disc displacement (dpeaa)DE-He213 Intervertebral disc degeneration (dpeaa)DE-He213 Schreiner, Markus M. verfasserin aut Hilbert, Tom verfasserin aut Kober, Tobias verfasserin aut Weber, Michael verfasserin aut Szelényi, Anna verfasserin aut Windhager, Reinhard verfasserin aut Juras, Vladimir verfasserin aut Trattnig, Siegfried verfasserin aut Enthalten in European radiology Berlin : Springer, 1991 31(2020), 6 vom: 03. Dez., Seite 3590-3599 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:31 year:2020 number:6 day:03 month:12 pages:3590-3599 https://dx.doi.org/10.1007/s00330-020-07538-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.64 ASE AR 31 2020 6 03 12 3590-3599 |
allfields_unstemmed |
10.1007/s00330-020-07538-6 doi (DE-627)SPR044052758 (DE-599)SPRs00330-020-07538-6-e (SPR)s00330-020-07538-6-e DE-627 ger DE-627 rakwb eng 610 ASE 44.64 bkl Raudner, Marcus verfasserin aut Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015). Spine (dpeaa)DE-He213 Intervertebral disc (dpeaa)DE-He213 Intervertebral disc displacement (dpeaa)DE-He213 Intervertebral disc degeneration (dpeaa)DE-He213 Schreiner, Markus M. verfasserin aut Hilbert, Tom verfasserin aut Kober, Tobias verfasserin aut Weber, Michael verfasserin aut Szelényi, Anna verfasserin aut Windhager, Reinhard verfasserin aut Juras, Vladimir verfasserin aut Trattnig, Siegfried verfasserin aut Enthalten in European radiology Berlin : Springer, 1991 31(2020), 6 vom: 03. Dez., Seite 3590-3599 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:31 year:2020 number:6 day:03 month:12 pages:3590-3599 https://dx.doi.org/10.1007/s00330-020-07538-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.64 ASE AR 31 2020 6 03 12 3590-3599 |
allfieldsGer |
10.1007/s00330-020-07538-6 doi (DE-627)SPR044052758 (DE-599)SPRs00330-020-07538-6-e (SPR)s00330-020-07538-6-e DE-627 ger DE-627 rakwb eng 610 ASE 44.64 bkl Raudner, Marcus verfasserin aut Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015). Spine (dpeaa)DE-He213 Intervertebral disc (dpeaa)DE-He213 Intervertebral disc displacement (dpeaa)DE-He213 Intervertebral disc degeneration (dpeaa)DE-He213 Schreiner, Markus M. verfasserin aut Hilbert, Tom verfasserin aut Kober, Tobias verfasserin aut Weber, Michael verfasserin aut Szelényi, Anna verfasserin aut Windhager, Reinhard verfasserin aut Juras, Vladimir verfasserin aut Trattnig, Siegfried verfasserin aut Enthalten in European radiology Berlin : Springer, 1991 31(2020), 6 vom: 03. Dez., Seite 3590-3599 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:31 year:2020 number:6 day:03 month:12 pages:3590-3599 https://dx.doi.org/10.1007/s00330-020-07538-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.64 ASE AR 31 2020 6 03 12 3590-3599 |
allfieldsSound |
10.1007/s00330-020-07538-6 doi (DE-627)SPR044052758 (DE-599)SPRs00330-020-07538-6-e (SPR)s00330-020-07538-6-e DE-627 ger DE-627 rakwb eng 610 ASE 44.64 bkl Raudner, Marcus verfasserin aut Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015). Spine (dpeaa)DE-He213 Intervertebral disc (dpeaa)DE-He213 Intervertebral disc displacement (dpeaa)DE-He213 Intervertebral disc degeneration (dpeaa)DE-He213 Schreiner, Markus M. verfasserin aut Hilbert, Tom verfasserin aut Kober, Tobias verfasserin aut Weber, Michael verfasserin aut Szelényi, Anna verfasserin aut Windhager, Reinhard verfasserin aut Juras, Vladimir verfasserin aut Trattnig, Siegfried verfasserin aut Enthalten in European radiology Berlin : Springer, 1991 31(2020), 6 vom: 03. Dez., Seite 3590-3599 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:31 year:2020 number:6 day:03 month:12 pages:3590-3599 https://dx.doi.org/10.1007/s00330-020-07538-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.64 ASE AR 31 2020 6 03 12 3590-3599 |
language |
English |
source |
Enthalten in European radiology 31(2020), 6 vom: 03. Dez., Seite 3590-3599 volume:31 year:2020 number:6 day:03 month:12 pages:3590-3599 |
sourceStr |
Enthalten in European radiology 31(2020), 6 vom: 03. Dez., Seite 3590-3599 volume:31 year:2020 number:6 day:03 month:12 pages:3590-3599 |
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Article |
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Spine Intervertebral disc Intervertebral disc displacement Intervertebral disc degeneration |
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610 |
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European radiology |
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Raudner, Marcus @@aut@@ Schreiner, Markus M. @@aut@@ Hilbert, Tom @@aut@@ Kober, Tobias @@aut@@ Weber, Michael @@aut@@ Szelényi, Anna @@aut@@ Windhager, Reinhard @@aut@@ Juras, Vladimir @@aut@@ Trattnig, Siegfried @@aut@@ |
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2020-12-03T00:00:00Z |
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268757526 |
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3610 |
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SPR044052758 |
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englisch |
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Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015).</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Spine</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Intervertebral disc</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Intervertebral disc displacement</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Intervertebral disc degeneration</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Schreiner, Markus M.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hilbert, Tom</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kober, Tobias</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Weber, Michael</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Szelényi, Anna</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Windhager, Reinhard</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Juras, Vladimir</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Trattnig, Siegfried</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">European radiology</subfield><subfield code="d">Berlin : Springer, 1991</subfield><subfield code="g">31(2020), 6 vom: 03. 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|
author |
Raudner, Marcus |
spellingShingle |
Raudner, Marcus ddc 610 bkl 44.64 misc Spine misc Intervertebral disc misc Intervertebral disc displacement misc Intervertebral disc degeneration Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation |
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Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation |
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Raudner, Marcus Schreiner, Markus M. Hilbert, Tom Kober, Tobias Weber, Michael Szelényi, Anna Windhager, Reinhard Juras, Vladimir Trattnig, Siegfried |
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clinical implementation of accelerated $ t_{2} $ mapping: quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation |
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Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation |
abstract |
Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015). |
abstractGer |
Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015). |
abstract_unstemmed |
Objectives This study evaluates GRAPPATINI, an accelerated $ T_{2} $ mapping sequence combining undersampling and model-based reconstruction to facilitate the clinical implementation of $ T_{2} $ mapping of the lumbar intervertebral disc. Methods Fifty-eight individuals (26 females, 32 males, age 23.3 ± 8.0 years) were prospectively examined at 3 T. This cohort study consisted of 19 patients, 20 rowers, and 19 volunteers. GRAPPATINI was conducted with the same parameters as a conventional 2D multi-echo spin-echo (MESE) sequence in 02:27 min instead of 13:18 min. Additional $ T_{2} $ maps were calculated after discarding the first echo ($ T_{2-WO1ST} $) and only using even echoes ($ T_{2-EVEN} $). Segmentation was done on the four most central slices. The resulting $ T_{2} $ values were compared for all four measurements. Results $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of the nucleus pulposus of normal discs differed significantly from those of bulging discs or herniated discs (all p < 0.001). For the posterior annular region, only $ T_{2-GRAPPATINI} $ showed a significant difference (p = 0.011) between normal and herniated discs. There was a significant difference between $ T_{2-GRAPPATINI} $, $ T_{2-MESE} $, $ T_{2-EVEN} $, and $ T_{2-WO1ST} $ of discs with and without an annular tear for the nucleus pulposus (all p < 0.001). The nucleus pulposus’ $ T_{2} $ at different degeneration states showed significant differences between all group comparisons of Pfirrmann grades for $ T_{2-GRAPPATINI} $ (p = 0.000–0.018), $ T_{2-MESE} $ (p = 0.000–0.015), $ T_{2-EVEN} $ (p = 0.000–0.019), and $ T_{2-WO1ST} $ (p = 0.000–0.015). Conclusions GRAPPATINI facilitates the use of $ T_{2} $ values as quantitative imaging biomarkers to detect disc pathologies such as degeneration, lumbar disc herniation, and annular tears while simultaneously shortening the acquisition time from 13:18 to 2:27 min. Key Points • T2-GRAPPATINI, T2-MESE, T2-EVEN, and T2-WO1STof the nucleus pulposus of normal discs differed significantly from those of discs with bulging or herniation (all p < 0.001). • The investigated T2mapping techniques differed significantly in discs with and without annular tearing (all p < 0.001). • The nucleus pulposus’ T2showed significant differences between different stages of degeneration in all group comparisons for T2-GRAPPATINI(p = 0.000–0.018), T2-MESE(p = 0.000–0.015), T2-EVEN(p = 0.000–0.019), and T2-WO1ST(p = 0.000–0.015). |
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Clinical implementation of accelerated $ T_{2} $ mapping: Quantitative magnetic resonance imaging as a biomarker for annular tear and lumbar disc herniation |
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score |
7.3974905 |