{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,6]],"date-time":"2025-12-06T16:58:03Z","timestamp":1765040283486,"version":"3.40.4"},"reference-count":26,"publisher":"S. Karger AG","issue":"3","license":[{"start":{"date-parts":[[2010,12,8]],"date-time":"2010-12-08T00:00:00Z","timestamp":1291766400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2010,12,8]],"date-time":"2010-12-08T00:00:00Z","timestamp":1291766400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Gynecol Obstet Invest"],"published-print":{"date-parts":[[2011]]},"abstract":"<jats:p>&lt;i&gt;Background\/Aims:&lt;\/i&gt; This study aims to evaluate the pelvic floor (PF) tension response during simulated increased intra-abdominal pressure (IAP) and the vaginal biomechanical properties. &lt;i&gt;Methods:&lt;\/i&gt; A 3-dimensional computational finite element model for PF was developed based on magnetic resonance imaging from a nulliparous healthy volunteer. The model was used to simulate an IAP of 90 cm H&lt;sub&gt;2&lt;\/sub&gt;O and to evaluate the PF stresses in the longitudinal and transversal axes. The vaginal samples were obtained from 15 non-prolapsed female cadavers. A uniaxial tensile test to obtain stiffness and maximum stress of vaginal tissue in the longitudinal and transversal axes was performed. &lt;i&gt;Results:&lt;\/i&gt; The simulated IAP was associated with a similar PF stress state in the longitudinal and transversal axes. The stiffness and maximum stress in vaginal tissues presented a great variability between subjects. There was no difference in the vaginal tissue elasticity (6.2 \u00b1 1.5 vs. 5.4 \u00b1 1.1 MPa; p = 0.592) and maximum stress (2.3 \u00b1 0.5 vs. 2.6 \u00b1 0.9 MPa; p = 0.692) regarding the measurements in the longitudinal and transversal axes. &lt;i&gt;Conclusion:&lt;\/i&gt; The isotropic biomechanical behavior of vagina is in agreement with the PF stress state response during increased IAP.<\/jats:p>","DOI":"10.1159\/000315160","type":"journal-article","created":{"date-parts":[[2011,4,26]],"date-time":"2011-04-26T06:56:19Z","timestamp":1303800979000},"page":"145-150","source":"Crossref","is-referenced-by-count":13,"title":["Vaginal Tissue Properties versus Increased Intra-Abdominal Pressure: A Preliminary Biomechanical Study"],"prefix":"10.1159","volume":"71","author":[{"given":"Pedro A.L.S.","family":"Martins","sequence":"first","affiliation":[]},{"given":"Renato M. 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