Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations
Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess chang...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Mojsejenko, Dimitri [verfasserIn] McGarvey, Jeremy R. [verfasserIn] Dorsey, Shauna M. [verfasserIn] Gorman, Joseph H. [verfasserIn] Burdick, Jason A. [verfasserIn] Pilla, James J. [verfasserIn] Gorman, Robert C. [verfasserIn] Wenk, Jonathan F. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Biomechanics and modeling in mechanobiology - Berlin : Springer, 2002, 14(2014), 3 vom: 15. Okt., Seite 633-647 |
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| Übergeordnetes Werk: |
volume:14 ; year:2014 ; number:3 ; day:15 ; month:10 ; pages:633-647 |
| Links: |
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| DOI / URN: |
10.1007/s10237-014-0627-z |
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| Katalog-ID: |
SPR009220933 |
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| 245 | 1 | 0 | |a Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations |
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| 520 | |a Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. The proposed methodology will ultimately provide a means of predicting remote and infarct mechanical properties in vivo at any time point post-MI. | ||
| 650 | 4 | |a Myocardial infarction |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Finite element modeling |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Left ventricular remodeling |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a MRI |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Optimization |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a McGarvey, Jeremy R. |e verfasserin |4 aut | |
| 700 | 1 | |a Dorsey, Shauna M. |e verfasserin |4 aut | |
| 700 | 1 | |a Gorman, Joseph H. |e verfasserin |4 aut | |
| 700 | 1 | |a Burdick, Jason A. |e verfasserin |4 aut | |
| 700 | 1 | |a Pilla, James J. |e verfasserin |4 aut | |
| 700 | 1 | |a Gorman, Robert C. |e verfasserin |4 aut | |
| 700 | 1 | |a Wenk, Jonathan F. |e verfasserin |4 aut | |
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10.1007/s10237-014-0627-z doi (DE-627)SPR009220933 (SPR)s10237-014-0627-z-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Mojsejenko, Dimitri verfasserin aut Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. The proposed methodology will ultimately provide a means of predicting remote and infarct mechanical properties in vivo at any time point post-MI. Myocardial infarction (dpeaa)DE-He213 Finite element modeling (dpeaa)DE-He213 Left ventricular remodeling (dpeaa)DE-He213 MRI (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 McGarvey, Jeremy R. verfasserin aut Dorsey, Shauna M. verfasserin aut Gorman, Joseph H. verfasserin aut Burdick, Jason A. verfasserin aut Pilla, James J. verfasserin aut Gorman, Robert C. verfasserin aut Wenk, Jonathan F. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2014), 3 vom: 15. Okt., Seite 633-647 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2014 number:3 day:15 month:10 pages:633-647 https://dx.doi.org/10.1007/s10237-014-0627-z lizenzpflichtig 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_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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.12 ASE 44.09 ASE 76.12 ASE AR 14 2014 3 15 10 633-647 |
| spelling |
10.1007/s10237-014-0627-z doi (DE-627)SPR009220933 (SPR)s10237-014-0627-z-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Mojsejenko, Dimitri verfasserin aut Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. The proposed methodology will ultimately provide a means of predicting remote and infarct mechanical properties in vivo at any time point post-MI. Myocardial infarction (dpeaa)DE-He213 Finite element modeling (dpeaa)DE-He213 Left ventricular remodeling (dpeaa)DE-He213 MRI (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 McGarvey, Jeremy R. verfasserin aut Dorsey, Shauna M. verfasserin aut Gorman, Joseph H. verfasserin aut Burdick, Jason A. verfasserin aut Pilla, James J. verfasserin aut Gorman, Robert C. verfasserin aut Wenk, Jonathan F. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2014), 3 vom: 15. Okt., Seite 633-647 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2014 number:3 day:15 month:10 pages:633-647 https://dx.doi.org/10.1007/s10237-014-0627-z lizenzpflichtig 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_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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.12 ASE 44.09 ASE 76.12 ASE AR 14 2014 3 15 10 633-647 |
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10.1007/s10237-014-0627-z doi (DE-627)SPR009220933 (SPR)s10237-014-0627-z-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Mojsejenko, Dimitri verfasserin aut Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. The proposed methodology will ultimately provide a means of predicting remote and infarct mechanical properties in vivo at any time point post-MI. Myocardial infarction (dpeaa)DE-He213 Finite element modeling (dpeaa)DE-He213 Left ventricular remodeling (dpeaa)DE-He213 MRI (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 McGarvey, Jeremy R. verfasserin aut Dorsey, Shauna M. verfasserin aut Gorman, Joseph H. verfasserin aut Burdick, Jason A. verfasserin aut Pilla, James J. verfasserin aut Gorman, Robert C. verfasserin aut Wenk, Jonathan F. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2014), 3 vom: 15. Okt., Seite 633-647 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2014 number:3 day:15 month:10 pages:633-647 https://dx.doi.org/10.1007/s10237-014-0627-z lizenzpflichtig 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_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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.12 ASE 44.09 ASE 76.12 ASE AR 14 2014 3 15 10 633-647 |
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10.1007/s10237-014-0627-z doi (DE-627)SPR009220933 (SPR)s10237-014-0627-z-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Mojsejenko, Dimitri verfasserin aut Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. The proposed methodology will ultimately provide a means of predicting remote and infarct mechanical properties in vivo at any time point post-MI. Myocardial infarction (dpeaa)DE-He213 Finite element modeling (dpeaa)DE-He213 Left ventricular remodeling (dpeaa)DE-He213 MRI (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 McGarvey, Jeremy R. verfasserin aut Dorsey, Shauna M. verfasserin aut Gorman, Joseph H. verfasserin aut Burdick, Jason A. verfasserin aut Pilla, James J. verfasserin aut Gorman, Robert C. verfasserin aut Wenk, Jonathan F. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2014), 3 vom: 15. Okt., Seite 633-647 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2014 number:3 day:15 month:10 pages:633-647 https://dx.doi.org/10.1007/s10237-014-0627-z lizenzpflichtig 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_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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.12 ASE 44.09 ASE 76.12 ASE AR 14 2014 3 15 10 633-647 |
| allfieldsSound |
10.1007/s10237-014-0627-z doi (DE-627)SPR009220933 (SPR)s10237-014-0627-z-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Mojsejenko, Dimitri verfasserin aut Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. The proposed methodology will ultimately provide a means of predicting remote and infarct mechanical properties in vivo at any time point post-MI. Myocardial infarction (dpeaa)DE-He213 Finite element modeling (dpeaa)DE-He213 Left ventricular remodeling (dpeaa)DE-He213 MRI (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 McGarvey, Jeremy R. verfasserin aut Dorsey, Shauna M. verfasserin aut Gorman, Joseph H. verfasserin aut Burdick, Jason A. verfasserin aut Pilla, James J. verfasserin aut Gorman, Robert C. verfasserin aut Wenk, Jonathan F. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2014), 3 vom: 15. Okt., Seite 633-647 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2014 number:3 day:15 month:10 pages:633-647 https://dx.doi.org/10.1007/s10237-014-0627-z lizenzpflichtig 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_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_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 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_2116 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_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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.12 ASE 44.09 ASE 76.12 ASE AR 14 2014 3 15 10 633-647 |
| language |
English |
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Enthalten in Biomechanics and modeling in mechanobiology 14(2014), 3 vom: 15. Okt., Seite 633-647 volume:14 year:2014 number:3 day:15 month:10 pages:633-647 |
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Enthalten in Biomechanics and modeling in mechanobiology 14(2014), 3 vom: 15. Okt., Seite 633-647 volume:14 year:2014 number:3 day:15 month:10 pages:633-647 |
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Myocardial infarction Finite element modeling Left ventricular remodeling MRI Optimization |
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Biomechanics and modeling in mechanobiology |
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Mojsejenko, Dimitri @@aut@@ McGarvey, Jeremy R. @@aut@@ Dorsey, Shauna M. @@aut@@ Gorman, Joseph H. @@aut@@ Burdick, Jason A. @@aut@@ Pilla, James J. @@aut@@ Gorman, Robert C. @@aut@@ Wenk, Jonathan F. @@aut@@ |
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2014-10-15T00:00:00Z |
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It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. 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Mojsejenko, Dimitri |
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Mojsejenko, Dimitri ddc 570 bkl 42.12 bkl 44.09 bkl 76.12 misc Myocardial infarction misc Finite element modeling misc Left ventricular remodeling misc MRI misc Optimization Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations |
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570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations Myocardial infarction (dpeaa)DE-He213 Finite element modeling (dpeaa)DE-He213 Left ventricular remodeling (dpeaa)DE-He213 MRI (dpeaa)DE-He213 Optimization (dpeaa)DE-He213 |
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ddc 570 bkl 42.12 bkl 44.09 bkl 76.12 misc Myocardial infarction misc Finite element modeling misc Left ventricular remodeling misc MRI misc Optimization |
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Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations |
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Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations |
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Mojsejenko, Dimitri |
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Biomechanics and modeling in mechanobiology |
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Mojsejenko, Dimitri McGarvey, Jeremy R. Dorsey, Shauna M. Gorman, Joseph H. Burdick, Jason A. Pilla, James J. Gorman, Robert C. Wenk, Jonathan F. |
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estimating passive mechanical properties in a myocardial infarction using mri and finite element simulations |
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Estimating passive mechanical properties in a myocardial infarction using MRI and finite element simulations |
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Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. The proposed methodology will ultimately provide a means of predicting remote and infarct mechanical properties in vivo at any time point post-MI. |
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Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. The proposed methodology will ultimately provide a means of predicting remote and infarct mechanical properties in vivo at any time point post-MI. |
| abstract_unstemmed |
Abstract Myocardial infarction (MI) triggers a series of maladaptive events that lead to structural and functional changes in the left ventricle. It is crucial to better understand the progression of adverse remodeling, in order to develop effective treatment. In addition, being able to assess changes in vivo would be a powerful tool in the clinic. The goal of the current study is to quantify the in vivo material properties of infarcted and remote myocardium 1 week after MI, as well as the orientation of collagen fibers in the infarct. This will be accomplished by using a combination of magnetic resonance imaging (MRI), catheterization, finite element modeling, and numerical optimization to analyze a porcine model (%$N = 4%$) of posterolateral myocardial infarction. Specifically, properties will be determined by minimizing the difference between in vivo strains and volume calculated from MRI and finite element model predicted strains and volume. The results indicate that the infarct region is stiffer than the remote region and that the infarct collagen fibers become more circumferentially oriented 1 week post-MI. These findings are consistent with previous studies, which employed ex vivo techniques. The proposed methodology will ultimately provide a means of predicting remote and infarct mechanical properties in vivo at any time point post-MI. |
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| score |
7.402793 |