Perineal Descent

weakend-pelvic-muscles

Perineal descent is a condition in which the perineum prolapses (bulges down) or descends below the bony outlet of the pelvis. Perineal descent is often associated with chronic straining in patients with chronic constipation. Other conditions that weaken the pelvic floor musculature can also lead to symptomatic perineal descent. Some amount of perineal descent is often present in conjunction with pelvic organ prolapse.

Common symptoms of perineal descent can include the following. Some women need to press up on the perineum during bowel movements. Some will feel the floor of the pelvis dropping with weight bearing activity such as walking.

Treatment begins with identifying and addressing the underlying cause. As mentioned above, constipation and the need to chronically strain is often identified and treated. Pelvic floor physical therapy to strengthen the floor of the pelvis can sometimes be utilized to help symptoms. If surgery is performed, the focus is on elevation of the perineum and pelvic floor with either a da Vinci Sacrocolpoperineopexy or a posterior vaginal mesh placement with perineorrhaphy and elevation of the perineum. The choice of surgery depends on the presence of other conditions such as cystocele, rectocele, or uterine prolapse.

Chronic constipation and perineal descent may co-exist with rectal prolapse. If rectal prolapse is present, rectopexy is performed with sacrocolpoperineopexy. Bowel and fecal incontinence also may be associated with perineal descent if the perineal body is weak and is treated by anal sphincteroplasty.

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