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Obstructed defecation Syndrome

Chronic constipation is a common problem that affects up to 30% of people, and 30-50% of these patients suffer from Obstructed Defecation Syndrome (ODS). In obstructed defecation feces reach the rectum, but rectal emptying is extremely difficult. Despite repetitive attempts, complete evacuation of rectal contents is either not possible or very problematic. ODS is normally caused by either a defect of pelvic support or abnormal function of the pelvic floor musculature.


Pelvic dyssynergia

Pelvic floor dyssynergia or anismus, also known as spastic pelvic floor, is a malfunction of the external anal sphincter and puborectalis muscle. During defecation, muscles of rectal wall contract, while puborectalis sling and external anal sphincter relax, allowing the rectum to because straight and consequently feces to pass.  If the puborectalis does not relax, faces are blocked in the upper part of the rectum, get more and more dry and then is even more difficult for them to pass.