Influence of Geometry and Mechanical Properties on the Accuracy of Patient-Specific Simulation of Women Pelvic Floor.
Identifieur interne : 002564 ( PubMed/Corpus ); précédent : 002563; suivant : 002565Influence of Geometry and Mechanical Properties on the Accuracy of Patient-Specific Simulation of Women Pelvic Floor.
Auteurs : Olivier Mayeur ; Jean-François Witz ; Pauline Lecomte ; Mathias Brieu ; Michel Cosson ; Karol MillerSource :
- Annals of biomedical engineering [ 1573-9686 ] ; 2016.
English descriptors
- KwdEn :
- MESH :
- methods : Diagnostic Imaging, Precision Medicine.
- pathology : Pelvic Floor.
- Computer Simulation, Female, Humans, Models, Biological.
Abstract
The woman pelvic system involves multiple organs, muscles, ligaments, and fasciae where different pathologies may occur. Here we are most interested in abnormal mobility, often caused by complex and not fully understood mechanisms. Computer simulation and modeling using the finite element (FE) method are the tools helping to better understand the pathological mobility, but of course patient-specific models are required to make contribution to patient care. These models require a good representation of the pelvic system geometry, information on the material properties, boundary conditions and loading. In this contribution we focus on the relative influence of the inaccuracies in geometry description and of uncertainty of patient-specific material properties of soft connective tissues. We conducted a comparative study using several constitutive behavior laws and variations in geometry description resulting from the imprecision of clinical imaging and image analysis. We find that geometry seems to have the dominant effect on the pelvic organ mobility simulation results. Provided that proper finite deformation non-linear FE solution procedures are used, the influence of the functional form of the constitutive law might be for practical purposes negligible. These last findings confirm similar results from the fields of modeling neurosurgery and abdominal aortic aneurysms.
DOI: 10.1007/s10439-015-1401-9
PubMed: 26215307
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France.</nlm:affiliation></affiliation></author><author><name sortKey="Brieu, Mathias" sort="Brieu, Mathias" uniqKey="Brieu M" first="Mathias" last="Brieu">Mathias Brieu</name><affiliation><nlm:affiliation>Ecole Centrale de Lille (ECLille), 59650, Villeneuve d'Ascq Cedex, France. mathias.brieu@ec-lille.fr.</nlm:affiliation></affiliation></author><author><name sortKey="Cosson, Michel" sort="Cosson, Michel" uniqKey="Cosson M" first="Michel" last="Cosson">Michel Cosson</name><affiliation><nlm:affiliation>LML, CNRS UMR 8107, 59650, Villeneuve d'Ascq Cedex, France.</nlm:affiliation></affiliation></author><author><name sortKey="Miller, Karol" sort="Miller, Karol" uniqKey="Miller K" first="Karol" last="Miller">Karol Miller</name><affiliation><nlm:affiliation>Intelligent Systems for Medicine Laboratory, The University of Western Australia, Crawley, Perth, WA, 6009, Australia.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date 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Villeneuve d'Ascq Cedex, France.</nlm:affiliation></affiliation></author><author><name sortKey="Lecomte, Pauline" sort="Lecomte, Pauline" uniqKey="Lecomte P" first="Pauline" last="Lecomte">Pauline Lecomte</name><affiliation><nlm:affiliation>Ecole Centrale de Lille (ECLille), 59650, Villeneuve d'Ascq Cedex, France.</nlm:affiliation></affiliation></author><author><name sortKey="Brieu, Mathias" sort="Brieu, Mathias" uniqKey="Brieu M" first="Mathias" last="Brieu">Mathias Brieu</name><affiliation><nlm:affiliation>Ecole Centrale de Lille (ECLille), 59650, Villeneuve d'Ascq Cedex, France. mathias.brieu@ec-lille.fr.</nlm:affiliation></affiliation></author><author><name sortKey="Cosson, Michel" sort="Cosson, Michel" uniqKey="Cosson M" first="Michel" last="Cosson">Michel Cosson</name><affiliation><nlm:affiliation>LML, CNRS UMR 8107, 59650, Villeneuve d'Ascq Cedex, France.</nlm:affiliation></affiliation></author><author><name sortKey="Miller, Karol" sort="Miller, Karol" uniqKey="Miller K" first="Karol" last="Miller">Karol Miller</name><affiliation><nlm:affiliation>Intelligent Systems for Medicine Laboratory, The University of Western Australia, Crawley, Perth, WA, 6009, Australia.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Annals of biomedical engineering</title><idno type="eISSN">1573-9686</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Computer Simulation</term><term>Diagnostic Imaging (methods)</term><term>Female</term><term>Humans</term><term>Models, Biological</term><term>Pelvic Floor (pathology)</term><term>Precision Medicine (methods)</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Diagnostic Imaging</term><term>Precision Medicine</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Pelvic Floor</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Computer Simulation</term><term>Female</term><term>Humans</term><term>Models, Biological</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The woman pelvic system involves multiple organs, muscles, ligaments, and fasciae where different pathologies may occur. Here we are most interested in abnormal mobility, often caused by complex and not fully understood mechanisms. Computer simulation and modeling using the finite element (FE) method are the tools helping to better understand the pathological mobility, but of course patient-specific models are required to make contribution to patient care. These models require a good representation of the pelvic system geometry, information on the material properties, boundary conditions and loading. In this contribution we focus on the relative influence of the inaccuracies in geometry description and of uncertainty of patient-specific material properties of soft connective tissues. We conducted a comparative study using several constitutive behavior laws and variations in geometry description resulting from the imprecision of clinical imaging and image analysis. We find that geometry seems to have the dominant effect on the pelvic organ mobility simulation results. Provided that proper finite deformation non-linear FE solution procedures are used, the influence of the functional form of the constitutive law might be for practical purposes negligible. These last findings confirm similar results from the fields of modeling neurosurgery and abdominal aortic aneurysms.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">26215307</PMID><DateCreated><Year>2015</Year><Month>12</Month><Day>25</Day></DateCreated><DateCompleted><Year>2016</Year><Month>09</Month><Day>26</Day></DateCompleted><DateRevised><Year>2015</Year><Month>12</Month><Day>25</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1573-9686</ISSN><JournalIssue CitedMedium="Internet"><Volume>44</Volume><Issue>1</Issue><PubDate><Year>2016</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Annals of biomedical engineering</Title><ISOAbbreviation>Ann Biomed Eng</ISOAbbreviation></Journal><ArticleTitle>Influence of Geometry and Mechanical Properties on the Accuracy of Patient-Specific Simulation of Women Pelvic Floor.</ArticleTitle><Pagination><MedlinePgn>202-12</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s10439-015-1401-9</ELocationID><Abstract><AbstractText>The woman pelvic system involves multiple organs, muscles, ligaments, and fasciae where different pathologies may occur. Here we are most interested in abnormal mobility, often caused by complex and not fully understood mechanisms. Computer simulation and modeling using the finite element (FE) method are the tools helping to better understand the pathological mobility, but of course patient-specific models are required to make contribution to patient care. These models require a good representation of the pelvic system geometry, information on the material properties, boundary conditions and loading. In this contribution we focus on the relative influence of the inaccuracies in geometry description and of uncertainty of patient-specific material properties of soft connective tissues. We conducted a comparative study using several constitutive behavior laws and variations in geometry description resulting from the imprecision of clinical imaging and image analysis. We find that geometry seems to have the dominant effect on the pelvic organ mobility simulation results. Provided that proper finite deformation non-linear FE solution procedures are used, the influence of the functional form of the constitutive law might be for practical purposes negligible. These last findings confirm similar results from the fields of modeling neurosurgery and abdominal aortic aneurysms.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Mayeur</LastName><ForeName>Olivier</ForeName><Initials>O</Initials><AffiliationInfo><Affiliation>Ecole Centrale de Lille (ECLille), 59650, Villeneuve d'Ascq Cedex, France.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>CHRU, Jeanne de Flandres, 59000, Lille, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Witz</LastName><ForeName>Jean-François</ForeName><Initials>JF</Initials><AffiliationInfo><Affiliation>Ecole Centrale de Lille (ECLille), 59650, Villeneuve d'Ascq Cedex, France.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>LML, CNRS UMR 8107, 59650, Villeneuve d'Ascq Cedex, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lecomte</LastName><ForeName>Pauline</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Ecole Centrale de Lille (ECLille), 59650, Villeneuve d'Ascq Cedex, France.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>LML, CNRS UMR 8107, 59650, Villeneuve d'Ascq Cedex, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Brieu</LastName><ForeName>Mathias</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Ecole Centrale de Lille (ECLille), 59650, Villeneuve d'Ascq Cedex, France. mathias.brieu@ec-lille.fr.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>LML, CNRS UMR 8107, 59650, Villeneuve d'Ascq Cedex, France. mathias.brieu@ec-lille.fr.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cosson</LastName><ForeName>Michel</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>LML, CNRS UMR 8107, 59650, Villeneuve d'Ascq Cedex, France.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>CHRU, Jeanne de Flandres, 59000, Lille, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Miller</LastName><ForeName>Karol</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Intelligent Systems for Medicine Laboratory, The University of Western Australia, Crawley, Perth, WA, 6009, Australia.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2015</Year><Month>07</Month><Day>28</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Ann Biomed Eng</MedlineTA><NlmUniqueID>0361512</NlmUniqueID><ISSNLinking>0090-6964</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D003198" MajorTopicYN="Y">Computer Simulation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003952" MajorTopicYN="N">Diagnostic Imaging</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="Y">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017773" MajorTopicYN="N">Pelvic Floor</DescriptorName><QualifierName UI="Q000473" MajorTopicYN="Y">pathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D057285" MajorTopicYN="N">Precision 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