Transperineal US on Basis of MRI in Female Pelvic Floor Dysfunction

2018-03-13 00:02:10 | BioPortfolio


Pelvic floor failure is a common disorder that can seriously jeopardize a woman's quality of life by causing urinary and fecal incontinence, difficult defecation and pelvic pain. Multiple congenital and acquired risk factors are associated with pelvic floor failure, including altered collagen metabolism, female sex, vaginal delivery, menopause and advanced age. A complex variety of fascial and muscular lesions that range from stretching, insertion detachment, denervation atrophy and combinations of pelvic floor relaxation to pelvic organ prolapse may manifest in a single patient.

The prevalence of pelvic floor dysfunction increases with age. It is approximately 9.7% in child bearing period (20-39 yrs), while it reaches up to 49.7% by 80 yrs and older. Thorough preoperative assessment of pelvic floor failure is necessary to reduce the rate of relapse, which is reported to be as high as 30%.

MR imaging is a powerful tool that enables radiologists to comprehensively evaluate pelvic anatomic and functional abnormalities, thus helping surgeons provide appropriate treatment and avoid repeat operations.

Real time 2D trans-perineal ultrasound is emerging as an exciting new technique for pelvic floor assessment. It has advantage of providing a global view of the entire pelvic floor, from the symphysis to the ano-rectum, and includes the lower aspects of the levator ani muscle, in addition to its lower costs and greater accessibility; also sonographic imaging is more useful in the clinical environment, and generally better tolerated than magnetic resonance imaging.


Patient: 135 female patients in child bearing period (20-39 yrs) will undergo trans-perineal ultrasound and dynamic pelvic MRI:

40 days after vaginal delivery or cesarean section for asymptomatic and symptomatic cases.

revision after six months for cases with sonongraphic or MRI findings. after obtaining an informed written consent and approval of the ethical committee of faculty of medicine of Assiut University.

Inclusion criteria: asymptomatic and symptomatic female Patients in child bearing period 40 days after vaginal delivery and cesarean section.

Exclusion criteria: patients with previous pelvic floor surgery.

Patient preparation

For trans-perineal US:

- Patient is positioned in dorsal lithotomy position, with the hips flexed and slightly abducted and after bladder and bowel emptying. The pelvic tilt can be improved by asking the patient to place their heels as close as possible to the buttocks and move hips towards the heels.

For MRI:

- Patient is positioned in supine position and using pelvic coil after bladder and bowel emptying.


1. trans-perineal US: B mode capable 2D ultrasound system with cine loop function, a 3.5-6.0 MHz curved array transducer. At women health hospital. A mid-sagittal and axial views is obtained by placing a transducer on the perineum (Parting of the labia can improve image quality).

The following measures will be obtained:

Hiatus diameter, bladder neck descent, and descent of other pelvic organs in relation to reference line (parallel to lower part of public bone).

2. Dynamic MRI:

Magnetic resonance (MR) imaging of the pelvic floor is a two-step process that includes:

analysis of anatomic damage on axial fast spin-echo (FSE) T2-weighted images. then sagittal and coronal (FSE) T2-weighted are obtained.

functional evaluation using sagittal dynamic single-shot T2-weighted sequences during straining and defecation to show descent of pelvic organs and pelvic floor relaxation or weakness.

Study Design


Pelvic Floor Disorders


transperineal ultrasound


Not yet recruiting


Assiut University

Results (where available)

View Results


Published on BioPortfolio: 2018-03-13T00:02:10-0400

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