Special thanks to: Ru Yanhui, Sheng Xuan, Yin Hong, Department of Ultrasound of Shandong Maternal and Child Health Hospital, Medical Imaging Center of Shandong Maternal and Child Health Hospital.
(Levator Ani) ?(Pelvic Floor)? ??? ? ??? ??? ???. ?? ??? ??? ??? ?? ??(Levator Trauma)? ? 15~35% , ?? ?? MRI ? ??? ?. ?? ??? ?? ?? ? transvaginal palpation, Magnetic Resonance Imaging(MRI), ? ? ? . MRI? ? ?? ?? ??? ?? ? ? ? ?? ??? ??, ?? ?? ?, ??? ?? ?? ?? ??? ? ??? ?? ?? ?? ?? ?? ? ?? ??? ??? ?? ?.
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?? ?? ? parasagittal view??? ???/?? 2D ???, 3D/4D ?? ??, Ipage+?? ?? ?? ?? ?.
?? 39??? 30???(G1P1)?? ??? Negative-pressure vacuum extraction? left perineotomy? ?, 3.387kg?. Pelvic floor ?? 42? ? ???.
1. Probe sleeve ??, ?? ??? ?? ?? ??:
2.?? ??? ???:?
? ??? ??? ?? ? ??? ?? ?? ???. ?? ? ??.
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3.?? ??? ? ?? ??? ?.
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??? ??? ??? ??? ?? 3??? ??? ? ?? ?. ?? ?? ?? ??? ??? :
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[1] DeLancey J, Kearney R, Chou Q, Speights S, Binno S. The appearance of levator ani muscle abnormalities in magnetic resonance images after vaginal delivery. Obstet Gynecol 2003;101(1):46–53.
[2]?Dietz HP, Lanzarone V. Levator trauma after vaginal delivery. Obstet Gynecol 2005;106(4):707–12.
[3]?Hans Peter Dietz, Pelvic floor ultrasound: a review. American Journal of Obstetrics & Gynecology 2010(4); 321-334.