Assessing the role of the pelvic canal in supporting the gut in humans.

The human pelvic canal (true pelvis) functions to support the abdominopelvic organs and serves as a passageway for reproduction (females). Previous research suggests that these two functions work against each other with the expectation that the supportive role results in a narrower pelvic midplane,...

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Autores principales:	Jeanelle Uy, Natalie M Laudicina
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2d52ddfed37a4bb29193099fba2f65e3
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spelling	oai:doaj.org-article:2d52ddfed37a4bb29193099fba2f65e32021-12-02T20:17:02ZAssessing the role of the pelvic canal in supporting the gut in humans.1932-620310.1371/journal.pone.0258341https://doaj.org/article/2d52ddfed37a4bb29193099fba2f65e32021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0258341https://doaj.org/toc/1932-6203The human pelvic canal (true pelvis) functions to support the abdominopelvic organs and serves as a passageway for reproduction (females). Previous research suggests that these two functions work against each other with the expectation that the supportive role results in a narrower pelvic midplane, while fetal passage necessitates a larger opening. In this research, we examine how gut size relates to the size and shape of the true pelvis, which may have implications on how gut size can influence pelvic floor integrity. Pelves and in vivo gut volumes were measured from CT scans of 92 adults (48 female, 44 male). The true pelvis was measured at three obstetrical planes (inlet, midplane, outlet) using 11 3D landmarks. CT volumetry was used to obtain an individual's gut size. Gut volume was compared to the pelvic planes using multiple regression to evaluate the relationship between gut size and the true pelvis. We find that, in males, larger gut sizes are associated with increased mediolateral canal dimensions at the inlet and midplane. In females, we find that larger gut sizes are associated with more medially-projecting ischial spines and an anteroposteriorly longer outlet. We hypothesize that the association of larger guts with increased canal width in males and increased outlet length in females are adaptations to create adequate space for the gut, while more medially projecting ischial spines reduce the risk of pelvic floor disorders in females, despite its possible spatial consequences for fetal passage.Jeanelle UyNatalie M LaudicinaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 10, p e0258341 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jeanelle Uy Natalie M Laudicina Assessing the role of the pelvic canal in supporting the gut in humans.
description	The human pelvic canal (true pelvis) functions to support the abdominopelvic organs and serves as a passageway for reproduction (females). Previous research suggests that these two functions work against each other with the expectation that the supportive role results in a narrower pelvic midplane, while fetal passage necessitates a larger opening. In this research, we examine how gut size relates to the size and shape of the true pelvis, which may have implications on how gut size can influence pelvic floor integrity. Pelves and in vivo gut volumes were measured from CT scans of 92 adults (48 female, 44 male). The true pelvis was measured at three obstetrical planes (inlet, midplane, outlet) using 11 3D landmarks. CT volumetry was used to obtain an individual's gut size. Gut volume was compared to the pelvic planes using multiple regression to evaluate the relationship between gut size and the true pelvis. We find that, in males, larger gut sizes are associated with increased mediolateral canal dimensions at the inlet and midplane. In females, we find that larger gut sizes are associated with more medially-projecting ischial spines and an anteroposteriorly longer outlet. We hypothesize that the association of larger guts with increased canal width in males and increased outlet length in females are adaptations to create adequate space for the gut, while more medially projecting ischial spines reduce the risk of pelvic floor disorders in females, despite its possible spatial consequences for fetal passage.
format	article
author	Jeanelle Uy Natalie M Laudicina
author_facet	Jeanelle Uy Natalie M Laudicina
author_sort	Jeanelle Uy
title	Assessing the role of the pelvic canal in supporting the gut in humans.
title_short	Assessing the role of the pelvic canal in supporting the gut in humans.
title_full	Assessing the role of the pelvic canal in supporting the gut in humans.
title_fullStr	Assessing the role of the pelvic canal in supporting the gut in humans.
title_full_unstemmed	Assessing the role of the pelvic canal in supporting the gut in humans.
title_sort	assessing the role of the pelvic canal in supporting the gut in humans.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/2d52ddfed37a4bb29193099fba2f65e3
work_keys_str_mv	AT jeanelleuy assessingtheroleofthepelviccanalinsupportingthegutinhumans AT nataliemlaudicina assessingtheroleofthepelviccanalinsupportingthegutinhumans
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Assessing the role of the pelvic canal in supporting the gut in humans.

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