经阴道分娩后1个月与7个月时骨盆结构和功能的动态磁共振成像对比
Pelvic structure and function at 1 month compared to 7 months by dynamic magnetic resonance after vaginal birth.
作者信息
Yousuf Aisha A, DeLancey John O L, Brandon Catherine J, Miller Janis M
机构信息
Department of Obstetrics and Gynecology, University of Michigan Hospital, Ann Arbor, MI, USA.
出版信息
Am J Obstet Gynecol. 2009 Nov;201(5):514.e1-7. doi: 10.1016/j.ajog.2009.06.048. Epub 2009 Aug 15.
Abstract
OBJECTIVE
We sought to determine whether changes exist in location and movement of pelvic floor structures at 1 and 7 months postpartum.
STUDY DESIGN
Midsagittal magnetic resonance images from 13 primiparous women with birth events associated with levator ani damage at early ( approximately 1 month) and late ( approximately 7 months) postpartum time points were analyzed. Pelvic floor structure locations at rest and displacements from rest to maximum Kegel and Valsalva were determined. Urogenital and levator hiatus diameters were measured as well.
RESULTS
The perineal body was 7.1 mm and anal verge 7.9 mm higher at 7 months postpartum (P = .003). Both the urogenital and levator hiatus diameters were smaller at 7 months (P < .05). Displacement during Kegel and Valsalva was similar between the 2 time points.
CONCLUSION
Resting locations of the perineal body and anal verge are higher at 7 months postpartum, but the amount of movement during Kegel or Valsalva does not change.
摘要
目的
我们试图确定产后1个月和7个月时盆底结构的位置及移动是否存在变化。
研究设计
分析了13名初产妇在产后早期（约1个月）和晚期（约7个月）与肛提肌损伤相关分娩事件的矢状位磁共振图像。确定了静息时盆底结构的位置以及从静息到最大凯格尔运动和瓦尔萨尔瓦动作时的位移。还测量了泌尿生殖裂孔和肛提肌裂孔的直径。
结果
产后7个月时会阴体升高7.1mm，肛门边缘升高7.9mm（P = 0.003）。7个月时泌尿生殖裂孔和肛提肌裂孔的直径均较小（P < 0.05）。两个时间点的凯格尔运动和瓦尔萨尔瓦动作期间的位移相似。
结论
产后7个月时会阴体和肛门边缘的静息位置较高，但凯格尔运动或瓦尔萨尔瓦动作期间的移动量没有变化。
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