The vaginal pressure profile

被引:57
作者
Guaderrama, NM
Nager, CW
Liu, JM
Pretorius, DH
Mittal, RK
机构
[1] Univ Calif San Diego, Dept Reprod Med, San Diego, CA 92103 USA
[2] Univ Calif San Diego, Dept Internal Med, San Diego, CA 92103 USA
[3] Univ Calif San Diego, Dept Radiol, Div Female Pelv Med & Reconstruct Surg, Pelv Floor Funct & Disorder Grp, San Diego, CA 92103 USA
关键词
vaginal manometry; vaginal pressure profile;
D O I
10.1002/nau.20112
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Aims: To describe the vaginal pressure profile in asymptomatic nulliparous women. Methods: Fourteen nulliparous women without symptoms of anal or urinary incontinence were studied with vaginal manometry. A rapid pull-through technique utilized a four-channel water-perfused catheter on a motor-driven puller to create a pressure profile for each subject. The profiles were measured with the subject at rest and during a sustained contraction of the levator ani muscle. The individual subject's pressure profiles were averaged to create a composite profile at rest and during squeeze. Results: The vaginal pressure profile at rest and during squeeze contains three pressure zones: proximal, mid, and distal. The pressure is highest in the mid pressure zone and was labeled as the vaginal high-pressure zone. In the vaginal high-pressure zone, the maximum pressure during squeeze is significantly higher than the maximum pressure at rest (P < 0.05). The length of the high-pressure zone is longer during squeeze as compared to rest (P < 0.05). The maximum pressures exhibit circumferential asymmetry with the pressures in anterior and posterior directions being significantly higher than those in the lateral directions (P < 0.05). Conclusions: The vaginal pressure profile is more complex than previously described. Understanding of the vaginal pressure profile is crucial when employing vaginal manometry to assess pelvic floor muscle strength or as a surrogate for intra-abdominal pressure. Neurourol Urodynam. 24:243-247, 2005. (c) 2005 Wiley-Liss, Inc.
引用
收藏
页码:243 / 247
页数:5
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