| 李娜,程悦,岳建兰,沈文,吴彦洪.肛提肌损伤与盆腔器官脱垂程度相关性的静、动态MR成像[J].中国医学影像技术,2014,30(8):1220~1225 |
| 肛提肌损伤与盆腔器官脱垂程度相关性的静、动态MR成像 |
| Static and dynamic MRI evaluation on the correlation between levator ani deficiency and severity of pelvic organ prolapse |
| 投稿时间：2014-03-28 修订日期：2014-07-08 |
| DOI： |
| 中文关键词: 肛提肌 盆腔器官脱垂 磁共振成像 |
| 英文关键词:Levator ani muscle Pelvic organ prolapse Magnetic resonance imaging |
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| 中文摘要: |
| 目的 探讨静、动态MRI研究肛提肌损伤与盆腔器官脱垂（POP）程度之间相关性的价值。方法 经临床POP-Q诊断为POP的患者45例（POP组），分为：轻度（Ⅰ度）POP亚组、中重度（Ⅱ~Ⅳ度）POP亚组，对照组为20名无症状志愿者，分别行静态及动态盆底MR检查，比较对照组及POP组、不同POP亚组间肛提肌各测量指标的差异，并采用基于MRI的评分系统比较各组间肛提肌损伤的差异。结果 对照组与POP组比较，静息及用力状态的M线、双侧髂尾角、肛提肌裂隙的前后径、横径及面积，静息状态双侧耻骨直肠肌厚度以及用力状态H线的差异均有统计学意义（P均<0.05）；轻度与中重度POP亚组比较，静息及用力状态的H线及M线、肛提肌裂隙的横径及面积、右侧髂尾角，静息状态的左侧耻骨直肠肌厚度以及用力状态的提肌板角的差异均有统计学意义（P均<0.05）；对照组及轻度、中重度POP组间肛提肌损伤程度的差异具有统计学意义（P<0.001）。结论 POP患者存在肛提肌形态及功能改变，肛提肌损伤与POP程度相关。 |
| 英文摘要: |
| Objective To investigate the association between levator ani deficiency and pelvic organ prolapse (POP) using static and dynamic magnetic resonance imaging (MRI). Methods Forty-five women with POP (POP group) and twenty normal women (control group) underwent static and dynamic MRI for the pelvic floor. The POP group was divided into two subgroups by the severity of prolapse: Minor POP subgroup (Ⅰ stage), moderate to severe POP subgroup (Ⅱ-Ⅳ stage). The levator ani parameters between the POP group and the control group, between the POP groups of different stages were compared. The scoring system of the levator ani muscle based on the MRI was used for comparing the differences of the total scores distribution of the three groups. Results Comparing the POP group and control group, there were significant differences between the M line, levator plate angle, bilateral iliococcygeal angles, also the length, width and area of levator hiatus at rest and at straining status, as at the rest status of the thickness of bilateral puborectalis, at the straining status of the H line (all P<0.05). Comparing minor POP subgroup and moderate to severe POP subgroup, there were significant differences between the H line and M line, the width and area of levator hiatus, the right iliococcygeal angle at rest and straining status, as the thickness of left puborectalis at rest, the levator plate angle at straining status (all P<0.05). There was significant difference among minor POP subgroup, moderate to severe POP subgroup and control group according to the distribution of the severity of the levator ani muscle deficiency (P<0.001). Conclusion POP patients have the morphological and functional changes of the levator ani muscle, levator ani deficiency is associated with clinically significiant prolapse. |
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