On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve

Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical r...
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Autor*in:	Lee, Chung-Hao [verfasserIn] Rabbah, Jean-Pierre [verfasserIn] Yoganathan, Ajit P. [verfasserIn] Gorman, Robert C. [verfasserIn] Gorman, Joseph H. [verfasserIn] Sacks, Michael S. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2015

Schlagwörter:	Mapped fiber microstructural architecture Image-based FE simulation Simplified structural constitutive model Affine fiber kinematics In vitro validations

Übergeordnetes Werk:	Enthalten in: Biomechanics and modeling in mechanobiology - Berlin : Springer, 2002, 14(2015), 6 vom: 07. Mai, Seite 1281-1302
Übergeordnetes Werk:	volume:14 ; year:2015 ; number:6 ; day:07 ; month:05 ; pages:1281-1302

Links:	Volltext

DOI / URN:	10.1007/s10237-015-0674-0

Katalog-ID:	SPR009221425

Internformat


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245	1	0	\|a On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve
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520			\|a Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical repair for treating mitral valve (MV) diseases. We hypothesized that restoring normal MV tissue stresses in MV repair techniques would ultimately lead to improved repair durability through the restoration of MV normal homeostatic state. Therefore, we developed a micro- and macro- anatomically accurate MV finite element model by incorporating actual fiber microstructural architecture and a realistic structure-based constitutive model. We investigated MV closing behaviors, with extensive in vitro data used for validating the proposed model. Comparative and parametric studies were conducted to identify essential model fidelity and information for achieving desirable accuracy. More importantly, for the first time, the interrelationship between the local fiber ensemble behavior and the organ-level MV closing behavior was investigated using a computational simulation. These novel results indicated not only the appropriate parameter ranges, but also the importance of the microstructural tuning (i.e., straightening and re-orientation) of the collagen/elastin fiber networks at the macroscopic tissue level for facilitating the proper coaptation and natural functioning of the MV apparatus under physiological loading at the organ level. The proposed computational model would serve as a logical first step toward our long-term modeling goal—facilitating simulation-guided design of optimal surgical repair strategies for treating diseased MVs with significantly enhanced durability.
650		4	\|a Mapped fiber microstructural architecture \|7 (dpeaa)DE-He213
650		4	\|a Image-based FE simulation \|7 (dpeaa)DE-He213
650		4	\|a Simplified structural constitutive model \|7 (dpeaa)DE-He213
650		4	\|a Affine fiber kinematics \|7 (dpeaa)DE-He213
650		4	\|a In vitro validations \|7 (dpeaa)DE-He213
700	1		\|a Rabbah, Jean-Pierre \|e verfasserin \|4 aut
700	1		\|a Yoganathan, Ajit P. \|e verfasserin \|4 aut
700	1		\|a Gorman, Robert C. \|e verfasserin \|4 aut
700	1		\|a Gorman, Joseph H. \|e verfasserin \|4 aut
700	1		\|a Sacks, Michael S. \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Biomechanics and modeling in mechanobiology \|d Berlin : Springer, 2002 \|g 14(2015), 6 vom: 07. Mai, Seite 1281-1302 \|w (DE-627)339869836 \|w (DE-600)2064972-1 \|x 1617-7940 \|7 nnns
773	1	8	\|g volume:14 \|g year:2015 \|g number:6 \|g day:07 \|g month:05 \|g pages:1281-1302
856	4	0	\|u https://dx.doi.org/10.1007/s10237-015-0674-0 \|z lizenzpflichtig \|3 Volltext
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912			\|a GBV_ILN_110
912			\|a GBV_ILN_120
912			\|a GBV_ILN_138
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
912			\|a GBV_ILN_152
912			\|a GBV_ILN_161
912			\|a GBV_ILN_170
912			\|a GBV_ILN_171
912			\|a GBV_ILN_187
912			\|a GBV_ILN_213
912			\|a GBV_ILN_224
912			\|a GBV_ILN_230
912			\|a GBV_ILN_250
912			\|a GBV_ILN_267
912			\|a GBV_ILN_281
912			\|a GBV_ILN_285
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912			\|a GBV_ILN_370
912			\|a GBV_ILN_602
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912			\|a GBV_ILN_2001
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912			\|a GBV_ILN_2006
912			\|a GBV_ILN_2007
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912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
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912			\|a GBV_ILN_2025
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912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2037
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2039
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2057
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2070
912			\|a GBV_ILN_2086
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2093
912			\|a GBV_ILN_2106
912			\|a GBV_ILN_2107
912			\|a GBV_ILN_2108
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952			\|d 14 \|j 2015 \|e 6 \|b 07 \|c 05 \|h 1281-1302

Indexfelder

author_variant	c h l chl j p r jpr a p y ap apy r c g rc rcg j h g jh jhg m s s ms mss
matchkey_str	article:16177940:2015----::nhefcsfefemcotutradosiuieoeotelsn
hierarchy_sort_str	2015
bklnumber	42.12 44.09 76.12
publishDate	2015
allfields	10.1007/s10237-015-0674-0 doi (DE-627)SPR009221425 (SPR)s10237-015-0674-0-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Lee, Chung-Hao verfasserin aut On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical repair for treating mitral valve (MV) diseases. We hypothesized that restoring normal MV tissue stresses in MV repair techniques would ultimately lead to improved repair durability through the restoration of MV normal homeostatic state. Therefore, we developed a micro- and macro- anatomically accurate MV finite element model by incorporating actual fiber microstructural architecture and a realistic structure-based constitutive model. We investigated MV closing behaviors, with extensive in vitro data used for validating the proposed model. Comparative and parametric studies were conducted to identify essential model fidelity and information for achieving desirable accuracy. More importantly, for the first time, the interrelationship between the local fiber ensemble behavior and the organ-level MV closing behavior was investigated using a computational simulation. These novel results indicated not only the appropriate parameter ranges, but also the importance of the microstructural tuning (i.e., straightening and re-orientation) of the collagen/elastin fiber networks at the macroscopic tissue level for facilitating the proper coaptation and natural functioning of the MV apparatus under physiological loading at the organ level. The proposed computational model would serve as a logical first step toward our long-term modeling goal—facilitating simulation-guided design of optimal surgical repair strategies for treating diseased MVs with significantly enhanced durability. Mapped fiber microstructural architecture (dpeaa)DE-He213 Image-based FE simulation (dpeaa)DE-He213 Simplified structural constitutive model (dpeaa)DE-He213 Affine fiber kinematics (dpeaa)DE-He213 In vitro validations (dpeaa)DE-He213 Rabbah, Jean-Pierre verfasserin aut Yoganathan, Ajit P. verfasserin aut Gorman, Robert C. verfasserin aut Gorman, Joseph H. verfasserin aut Sacks, Michael S. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2015), 6 vom: 07. Mai, Seite 1281-1302 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2015 number:6 day:07 month:05 pages:1281-1302 https://dx.doi.org/10.1007/s10237-015-0674-0 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 2015 6 07 05 1281-1302
spelling	10.1007/s10237-015-0674-0 doi (DE-627)SPR009221425 (SPR)s10237-015-0674-0-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Lee, Chung-Hao verfasserin aut On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical repair for treating mitral valve (MV) diseases. We hypothesized that restoring normal MV tissue stresses in MV repair techniques would ultimately lead to improved repair durability through the restoration of MV normal homeostatic state. Therefore, we developed a micro- and macro- anatomically accurate MV finite element model by incorporating actual fiber microstructural architecture and a realistic structure-based constitutive model. We investigated MV closing behaviors, with extensive in vitro data used for validating the proposed model. Comparative and parametric studies were conducted to identify essential model fidelity and information for achieving desirable accuracy. More importantly, for the first time, the interrelationship between the local fiber ensemble behavior and the organ-level MV closing behavior was investigated using a computational simulation. These novel results indicated not only the appropriate parameter ranges, but also the importance of the microstructural tuning (i.e., straightening and re-orientation) of the collagen/elastin fiber networks at the macroscopic tissue level for facilitating the proper coaptation and natural functioning of the MV apparatus under physiological loading at the organ level. The proposed computational model would serve as a logical first step toward our long-term modeling goal—facilitating simulation-guided design of optimal surgical repair strategies for treating diseased MVs with significantly enhanced durability. Mapped fiber microstructural architecture (dpeaa)DE-He213 Image-based FE simulation (dpeaa)DE-He213 Simplified structural constitutive model (dpeaa)DE-He213 Affine fiber kinematics (dpeaa)DE-He213 In vitro validations (dpeaa)DE-He213 Rabbah, Jean-Pierre verfasserin aut Yoganathan, Ajit P. verfasserin aut Gorman, Robert C. verfasserin aut Gorman, Joseph H. verfasserin aut Sacks, Michael S. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2015), 6 vom: 07. Mai, Seite 1281-1302 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2015 number:6 day:07 month:05 pages:1281-1302 https://dx.doi.org/10.1007/s10237-015-0674-0 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 2015 6 07 05 1281-1302
allfields_unstemmed	10.1007/s10237-015-0674-0 doi (DE-627)SPR009221425 (SPR)s10237-015-0674-0-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Lee, Chung-Hao verfasserin aut On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical repair for treating mitral valve (MV) diseases. We hypothesized that restoring normal MV tissue stresses in MV repair techniques would ultimately lead to improved repair durability through the restoration of MV normal homeostatic state. Therefore, we developed a micro- and macro- anatomically accurate MV finite element model by incorporating actual fiber microstructural architecture and a realistic structure-based constitutive model. We investigated MV closing behaviors, with extensive in vitro data used for validating the proposed model. Comparative and parametric studies were conducted to identify essential model fidelity and information for achieving desirable accuracy. More importantly, for the first time, the interrelationship between the local fiber ensemble behavior and the organ-level MV closing behavior was investigated using a computational simulation. These novel results indicated not only the appropriate parameter ranges, but also the importance of the microstructural tuning (i.e., straightening and re-orientation) of the collagen/elastin fiber networks at the macroscopic tissue level for facilitating the proper coaptation and natural functioning of the MV apparatus under physiological loading at the organ level. The proposed computational model would serve as a logical first step toward our long-term modeling goal—facilitating simulation-guided design of optimal surgical repair strategies for treating diseased MVs with significantly enhanced durability. Mapped fiber microstructural architecture (dpeaa)DE-He213 Image-based FE simulation (dpeaa)DE-He213 Simplified structural constitutive model (dpeaa)DE-He213 Affine fiber kinematics (dpeaa)DE-He213 In vitro validations (dpeaa)DE-He213 Rabbah, Jean-Pierre verfasserin aut Yoganathan, Ajit P. verfasserin aut Gorman, Robert C. verfasserin aut Gorman, Joseph H. verfasserin aut Sacks, Michael S. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2015), 6 vom: 07. Mai, Seite 1281-1302 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2015 number:6 day:07 month:05 pages:1281-1302 https://dx.doi.org/10.1007/s10237-015-0674-0 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 2015 6 07 05 1281-1302
allfieldsGer	10.1007/s10237-015-0674-0 doi (DE-627)SPR009221425 (SPR)s10237-015-0674-0-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Lee, Chung-Hao verfasserin aut On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical repair for treating mitral valve (MV) diseases. We hypothesized that restoring normal MV tissue stresses in MV repair techniques would ultimately lead to improved repair durability through the restoration of MV normal homeostatic state. Therefore, we developed a micro- and macro- anatomically accurate MV finite element model by incorporating actual fiber microstructural architecture and a realistic structure-based constitutive model. We investigated MV closing behaviors, with extensive in vitro data used for validating the proposed model. Comparative and parametric studies were conducted to identify essential model fidelity and information for achieving desirable accuracy. More importantly, for the first time, the interrelationship between the local fiber ensemble behavior and the organ-level MV closing behavior was investigated using a computational simulation. These novel results indicated not only the appropriate parameter ranges, but also the importance of the microstructural tuning (i.e., straightening and re-orientation) of the collagen/elastin fiber networks at the macroscopic tissue level for facilitating the proper coaptation and natural functioning of the MV apparatus under physiological loading at the organ level. The proposed computational model would serve as a logical first step toward our long-term modeling goal—facilitating simulation-guided design of optimal surgical repair strategies for treating diseased MVs with significantly enhanced durability. Mapped fiber microstructural architecture (dpeaa)DE-He213 Image-based FE simulation (dpeaa)DE-He213 Simplified structural constitutive model (dpeaa)DE-He213 Affine fiber kinematics (dpeaa)DE-He213 In vitro validations (dpeaa)DE-He213 Rabbah, Jean-Pierre verfasserin aut Yoganathan, Ajit P. verfasserin aut Gorman, Robert C. verfasserin aut Gorman, Joseph H. verfasserin aut Sacks, Michael S. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2015), 6 vom: 07. Mai, Seite 1281-1302 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2015 number:6 day:07 month:05 pages:1281-1302 https://dx.doi.org/10.1007/s10237-015-0674-0 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 2015 6 07 05 1281-1302
allfieldsSound	10.1007/s10237-015-0674-0 doi (DE-627)SPR009221425 (SPR)s10237-015-0674-0-e DE-627 ger DE-627 rakwb eng 570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl Lee, Chung-Hao verfasserin aut On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical repair for treating mitral valve (MV) diseases. We hypothesized that restoring normal MV tissue stresses in MV repair techniques would ultimately lead to improved repair durability through the restoration of MV normal homeostatic state. Therefore, we developed a micro- and macro- anatomically accurate MV finite element model by incorporating actual fiber microstructural architecture and a realistic structure-based constitutive model. We investigated MV closing behaviors, with extensive in vitro data used for validating the proposed model. Comparative and parametric studies were conducted to identify essential model fidelity and information for achieving desirable accuracy. More importantly, for the first time, the interrelationship between the local fiber ensemble behavior and the organ-level MV closing behavior was investigated using a computational simulation. These novel results indicated not only the appropriate parameter ranges, but also the importance of the microstructural tuning (i.e., straightening and re-orientation) of the collagen/elastin fiber networks at the macroscopic tissue level for facilitating the proper coaptation and natural functioning of the MV apparatus under physiological loading at the organ level. The proposed computational model would serve as a logical first step toward our long-term modeling goal—facilitating simulation-guided design of optimal surgical repair strategies for treating diseased MVs with significantly enhanced durability. Mapped fiber microstructural architecture (dpeaa)DE-He213 Image-based FE simulation (dpeaa)DE-He213 Simplified structural constitutive model (dpeaa)DE-He213 Affine fiber kinematics (dpeaa)DE-He213 In vitro validations (dpeaa)DE-He213 Rabbah, Jean-Pierre verfasserin aut Yoganathan, Ajit P. verfasserin aut Gorman, Robert C. verfasserin aut Gorman, Joseph H. verfasserin aut Sacks, Michael S. verfasserin aut Enthalten in Biomechanics and modeling in mechanobiology Berlin : Springer, 2002 14(2015), 6 vom: 07. Mai, Seite 1281-1302 (DE-627)339869836 (DE-600)2064972-1 1617-7940 nnns volume:14 year:2015 number:6 day:07 month:05 pages:1281-1302 https://dx.doi.org/10.1007/s10237-015-0674-0 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 2015 6 07 05 1281-1302
language	English
source	Enthalten in Biomechanics and modeling in mechanobiology 14(2015), 6 vom: 07. Mai, Seite 1281-1302 volume:14 year:2015 number:6 day:07 month:05 pages:1281-1302
sourceStr	Enthalten in Biomechanics and modeling in mechanobiology 14(2015), 6 vom: 07. Mai, Seite 1281-1302 volume:14 year:2015 number:6 day:07 month:05 pages:1281-1302
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Mapped fiber microstructural architecture Image-based FE simulation Simplified structural constitutive model Affine fiber kinematics In vitro validations
dewey-raw	570
isfreeaccess_bool	false
container_title	Biomechanics and modeling in mechanobiology
authorswithroles_txt_mv	Lee, Chung-Hao @@aut@@ Rabbah, Jean-Pierre @@aut@@ Yoganathan, Ajit P. @@aut@@ Gorman, Robert C. @@aut@@ Gorman, Joseph H. @@aut@@ Sacks, Michael S. @@aut@@
publishDateDaySort_date	2015-05-07T00:00:00Z
hierarchy_top_id	339869836
dewey-sort	3570
id	SPR009221425
language_de	englisch
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author	Lee, Chung-Hao
spellingShingle	Lee, Chung-Hao ddc 570 bkl 42.12 bkl 44.09 bkl 76.12 misc Mapped fiber microstructural architecture misc Image-based FE simulation misc Simplified structural constitutive model misc Affine fiber kinematics misc In vitro validations On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve
authorStr	Lee, Chung-Hao
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topic_title	570 540 ASE 42.12 bkl 44.09 bkl 76.12 bkl On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve Mapped fiber microstructural architecture (dpeaa)DE-He213 Image-based FE simulation (dpeaa)DE-He213 Simplified structural constitutive model (dpeaa)DE-He213 Affine fiber kinematics (dpeaa)DE-He213 In vitro validations (dpeaa)DE-He213
topic	ddc 570 bkl 42.12 bkl 44.09 bkl 76.12 misc Mapped fiber microstructural architecture misc Image-based FE simulation misc Simplified structural constitutive model misc Affine fiber kinematics misc In vitro validations
topic_unstemmed	ddc 570 bkl 42.12 bkl 44.09 bkl 76.12 misc Mapped fiber microstructural architecture misc Image-based FE simulation misc Simplified structural constitutive model misc Affine fiber kinematics misc In vitro validations
topic_browse	ddc 570 bkl 42.12 bkl 44.09 bkl 76.12 misc Mapped fiber microstructural architecture misc Image-based FE simulation misc Simplified structural constitutive model misc Affine fiber kinematics misc In vitro validations
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title	On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve
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title_full	On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve
author_sort	Lee, Chung-Hao
journal	Biomechanics and modeling in mechanobiology
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author_browse	Lee, Chung-Hao Rabbah, Jean-Pierre Yoganathan, Ajit P. Gorman, Robert C. Gorman, Joseph H. Sacks, Michael S.
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author-letter	Lee, Chung-Hao
doi_str_mv	10.1007/s10237-015-0674-0
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title_sort	on the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve
title_auth	On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve
abstract	Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical repair for treating mitral valve (MV) diseases. We hypothesized that restoring normal MV tissue stresses in MV repair techniques would ultimately lead to improved repair durability through the restoration of MV normal homeostatic state. Therefore, we developed a micro- and macro- anatomically accurate MV finite element model by incorporating actual fiber microstructural architecture and a realistic structure-based constitutive model. We investigated MV closing behaviors, with extensive in vitro data used for validating the proposed model. Comparative and parametric studies were conducted to identify essential model fidelity and information for achieving desirable accuracy. More importantly, for the first time, the interrelationship between the local fiber ensemble behavior and the organ-level MV closing behavior was investigated using a computational simulation. These novel results indicated not only the appropriate parameter ranges, but also the importance of the microstructural tuning (i.e., straightening and re-orientation) of the collagen/elastin fiber networks at the macroscopic tissue level for facilitating the proper coaptation and natural functioning of the MV apparatus under physiological loading at the organ level. The proposed computational model would serve as a logical first step toward our long-term modeling goal—facilitating simulation-guided design of optimal surgical repair strategies for treating diseased MVs with significantly enhanced durability.
abstractGer	Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical repair for treating mitral valve (MV) diseases. We hypothesized that restoring normal MV tissue stresses in MV repair techniques would ultimately lead to improved repair durability through the restoration of MV normal homeostatic state. Therefore, we developed a micro- and macro- anatomically accurate MV finite element model by incorporating actual fiber microstructural architecture and a realistic structure-based constitutive model. We investigated MV closing behaviors, with extensive in vitro data used for validating the proposed model. Comparative and parametric studies were conducted to identify essential model fidelity and information for achieving desirable accuracy. More importantly, for the first time, the interrelationship between the local fiber ensemble behavior and the organ-level MV closing behavior was investigated using a computational simulation. These novel results indicated not only the appropriate parameter ranges, but also the importance of the microstructural tuning (i.e., straightening and re-orientation) of the collagen/elastin fiber networks at the macroscopic tissue level for facilitating the proper coaptation and natural functioning of the MV apparatus under physiological loading at the organ level. The proposed computational model would serve as a logical first step toward our long-term modeling goal—facilitating simulation-guided design of optimal surgical repair strategies for treating diseased MVs with significantly enhanced durability.
abstract_unstemmed	Abstract Recent long-term studies showed an unsatisfactory recurrence rate of severe mitral regurgitation 3–5 years after surgical repair, suggesting that excessive tissue stresses and the resulting strain-induced tissue failure are potential etiological factors controlling the success of surgical repair for treating mitral valve (MV) diseases. We hypothesized that restoring normal MV tissue stresses in MV repair techniques would ultimately lead to improved repair durability through the restoration of MV normal homeostatic state. Therefore, we developed a micro- and macro- anatomically accurate MV finite element model by incorporating actual fiber microstructural architecture and a realistic structure-based constitutive model. We investigated MV closing behaviors, with extensive in vitro data used for validating the proposed model. Comparative and parametric studies were conducted to identify essential model fidelity and information for achieving desirable accuracy. More importantly, for the first time, the interrelationship between the local fiber ensemble behavior and the organ-level MV closing behavior was investigated using a computational simulation. These novel results indicated not only the appropriate parameter ranges, but also the importance of the microstructural tuning (i.e., straightening and re-orientation) of the collagen/elastin fiber networks at the macroscopic tissue level for facilitating the proper coaptation and natural functioning of the MV apparatus under physiological loading at the organ level. The proposed computational model would serve as a logical first step toward our long-term modeling goal—facilitating simulation-guided design of optimal surgical repair strategies for treating diseased MVs with significantly enhanced durability.
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container_issue	6
title_short	On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve
url	https://dx.doi.org/10.1007/s10237-015-0674-0
remote_bool	true
author2	Rabbah, Jean-Pierre Yoganathan, Ajit P. Gorman, Robert C. Gorman, Joseph H. Sacks, Michael S.
author2Str	Rabbah, Jean-Pierre Yoganathan, Ajit P. Gorman, Robert C. Gorman, Joseph H. Sacks, Michael S.
ppnlink	339869836
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hochschulschrift_bool	false
doi_str	10.1007/s10237-015-0674-0
up_date	2024-07-04T01:10:43.706Z
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On the effects of leaflet microstructure and constitutive model on the closing behavior of the mitral valve

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