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Finding the proportion of levator and fascial trauma of the pelvic floor in the development of symptoms pelvic organ prolapse - the effect of vaginal birth
Horčička, Lukáš ; Krofta, Ladislav (advisor) ; Halaška, Michael (referee) ; Chmel, Roman (referee)
Determination of the proportion of levator and fascial trauma of the pelvic floor in the development of symptoms of the descent of pelvic organs - the influence of vaginal birth Abstract Injury of levator ani muscle (LAM) is a significant pelvic organ prolapse (POP) risk factor. The puborectalis (PRM) and pubvisceral (PVM) subdivisions are at Level III vaginal support structures. Null hypothesis - there were no significant differences in muscle injuries patterns among LAM subdivisions. This retrospective magnetic resonance imaging (MRI) study included: 64 nulligravidae controls without pelvic floor dysfunction (PFD) and 526 POP symptomatic women of different parity. Primary outcome was PVM and PRM morphology on axial planes 1/ the place of the attachment to the pubic bone, 2/ visible separation/border between PVM and PRM. The attachment was scored as "normal" or "abnormal". The "abnormal" was divided in two types: a) "Type I" - loss of the muscle substance, but maintenance of the overall muscle architecture, b) "Type II" - muscle detachment from the pubic bone. The puboanalis (PAM) subdivision was evaluated as representative part of PVM. PAM and PRM attachments and separation were distinguished in all control cases. PAM and PRM attachments did not significantly differ. POP group characteristics were:...

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