دورية أكاديمية
A constitutive model description of the in vivo material properties of lower birth canal tissue during the first stage of labor.
| العنوان: | A constitutive model description of the in vivo material properties of lower birth canal tissue during the first stage of labor. |
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| المؤلفون: | Tracy PV; Department of Biomedical Engineering, University of Michigan, 2350 Hayward Street, Ann Arbor, MI 48109, United States. Electronic address: voigtpai@umich.edu., Wineman AS; Department of Mechanical Engineering, University of Michigan, 2350 Hayward Street, Ann Arbor, MI 48109, United States. Electronic address: lardan@umich.edu., Orejuela FJ; Department of Obstetrics and Gynecology, Baylor College of Medicine, 6651 Main Street, Suite F320, Houston, TX 77030, United States. Electronic address: Francisco.Orejuela@bcm.edu., Ramin SM; Department of Obstetrics and Gynecology, Baylor College of Medicine, 6651 Main Street, Suite F320, Houston, TX 77030, United States. Electronic address: smramin@bcm.edu., DeLancey JOL; Department of Obstetrics and Gynecology, University of Michigan, Von Voigtlander Women's Hospital, 1540 E. Hospital Drive, Ann Arbor, MI 48109, United States. Electronic address: delancey@med.umich.edu., Ashton-Miller JA; Department of Biomedical Engineering, University of Michigan, 2350 Hayward Street, Ann Arbor, MI 48109, United States; Department of Mechanical Engineering, University of Michigan, 2350 Hayward Street, Ann Arbor, MI 48109, United States. Electronic address: jaam@umich.edu. |
| المصدر: | Journal of the mechanical behavior of biomedical materials [J Mech Behav Biomed Mater] 2018 Mar; Vol. 79, pp. 213-218. Date of Electronic Publication: 2017 Dec 30. |
| نوع المنشور: | Journal Article; Research Support, N.I.H., Extramural |
| اللغة: | English |
| بيانات الدورية: | Publisher: Elsevier Country of Publication: Netherlands NLM ID: 101322406 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1878-0180 (Electronic) Linking ISSN: 18780180 NLM ISO Abbreviation: J Mech Behav Biomed Mater Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Amsterdam : Elsevier |
| مواضيع طبية MeSH: | Delivery, Obstetric* , Models, Biological*, Labor Stage, First/*physiology , Parturition/*physiology , Vagina/*physiology, Female ; Humans ; Pelvic Floor/physiology ; Pregnancy |
| مستخلص: | Remarkable changes must occur in the pelvic floor muscles and tissues comprising the birth canal to allow vaginal delivery. Despite these preparatory adaptations, approximately 13% of women who deliver vaginally for the first time (nulliparas) sustain tears near the origin of the pubovisceral muscle (PVM) which can result in pelvic organ prolapse later in life. To investigate why these tears occur, it is necessary to quantify the viscoelastic behavior of the term pregnant human birth canal. The goal of this study was to quantify the in vivo material properties of the human birth canal, in situ, during the first stage of labor and compare them to published animal data. The results show that pregnant human, ovine and squirrel monkey birth canal tissue can be characterized by the same set of constitutive relations; the interspecies differences were primarily explained by the long time constant, τ (Copyright © 2017 Elsevier Ltd. All rights reserved.) |
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| معلومات مُعتمدة: | P50 HD044406 United States HD NICHD NIH HHS |
| فهرسة مساهمة: | Keywords: Birth; Constitutive model; Levator ani; Quasilinear viscoelasticity |
| تواريخ الأحداث: | Date Created: 20180109 Date Completed: 20190612 Latest Revision: 20190613 |
| رمز التحديث: | 20240628 |
| مُعرف محوري في PubMed: | PMC5807149 |
| DOI: | 10.1016/j.jmbbm.2017.12.025 |
| PMID: | 29310074 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1878-0180 |
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| DOI: | 10.1016/j.jmbbm.2017.12.025 |