Fecal incontinence is the inability to control bowel movements, causing stool (feces) to leak unexpectedly from the rectum. Also called bowel incontinence, fecal incontinence ranges from an occasional leakage of stool while passing gas to a complete loss of bowel control.
Common causes of fecal incontinence include diarrhea, constipation, and muscle or nerve damage. The muscle or nerve damage may be associated with aging or with giving birth.
Whatever the cause, fecal incontinence can be embarrassing. But don’t shy away from talking to your doctor. Treatments can improve fecal incontinence and your quality of life.
Fecal incontinence may occur temporarily during an occasional bout of diarrhea, but for some people, fecal incontinence is chronic or recurring. People with this condition may be unable to stop the urge to defecate, which comes on so suddenly that they don’t make it to the toilet in time. This is called urge incontinence.
Another type of fecal incontinence occurs in people who are not aware of the need to pass stool. This is called passive incontinence.
Fecal incontinence may be accompanied by other bowel problems, such as:
• Gas and bloating
For many people, there is more than one cause of fecal incontinence.
Causes can include:
• Muscle damage. Injury to the rings of muscle at the end of the rectum (anal sphincter) may make it difficult to hold stool back properly. This kind of damage can occur during childbirth, especially if you have an episiotomy or forceps are used during delivery.
• Nerve damage. Injury to the nerves that sense stool in the rectum or those that control the anal sphincter can lead to fecal incontinence. The nerve damage can be caused by childbirth, constant straining during bowel movements, spinal cord injury or stroke. Some diseases, such as diabetes and multiple sclerosis, also can affect these nerves and cause damage that leads to fecal incontinence.
• Constipation. Chronic constipation may cause a dry, hard mass of stool (impacted stool) to form in the rectum and become too large to pass. The muscles of the rectum and intestines stretch and eventually weaken, allowing watery stool from farther up the digestive tract to move around the impacted stool and leak out. Chronic constipation may also cause nerve damage that leads to fecal incontinence.
• Diarrhea. Solid stool is easier to retain in the rectum than is loose stool, so the loose stools of diarrhea can cause or worsen fecal incontinence.
• Hemorrhoids. When the veins in your rectum swell, causing hemorrhoids, this keeps your anus from closing completely, which can allow stool to leak out.
• Loss of storage capacity in the rectum. Normally, the rectum stretches to accommodate stool. If your rectum is scarred or your rectal walls have stiffened from surgery, radiation treatment or inflammatory bowel disease, the rectum can’t stretch as much as it needs to, and excess stool can leak out.
• Surgery. Surgery to treat enlarged veins in the rectum or anus (hemorrhoids), as well as more-complex operations involving the rectum and anus, can cause muscle and nerve damage that leads to fecal incontinence.
• Rectal prolapse. Fecal incontinence can be a result of this condition, in which the rectum drops down into the anus.
• Rectocele. In women, fecal incontinence can occur if the rectum protrudes through the vagina.
A number of factors may increase your risk of developing fecal incontinence, including:
• Age. Although fecal incontinence can occur at any age, it’s more common in adults over 65.
• Being female. Fecal incontinence can be a complication of childbirth. Recent research has also found that women who take menopausal hormone replacement therapy are more likely to have fecal incontinence.
• Nerve damage. People who have long-standing diabetes or multiple sclerosis — conditions that can damage nerves that help control defecation — may be at risk of fecal incontinence.
• Dementia. Fecal incontinence is often present in late-stage Alzheimer’s disease and dementia.
• Physical disability. Being physically disabled may make it difficult to reach a toilet in time. An injury that caused a physical disability also may cause rectal nerve damage, leading to fecal incontinence.
Complications of fecal incontinence may include:
• Emotional distress. The loss of dignity associated with losing control over one’s bodily functions can lead to embarrassment, shame, frustration and depression. It’s common for people with fecal incontinence to try to hide the problem or to avoid social engagements.
• Skin irritation. The skin around the anus is delicate and sensitive. Repeated contact with stool can lead to pain and itching, and potentially to sores (ulcers) that require medical treatment.
Depending on the cause, it may be possible to prevent fecal incontinence. These actions may help:
• Reduce constipation. Increase your exercise, eat more high-fiber foods and drink plenty of fluids.
• Control diarrhea. Treating or eliminating the cause of the diarrhea, such as an intestinal infection, may help you avoid fecal incontinence.
• Avoid straining. Straining during bowel movements can eventually weaken anal sphincter muscles or damage nerves, possibly leading to fecal incontinence.
• 1- non surgical procedure by using new technique:
• surgical device consists of an implant system called Delivery System and of 10 Dispensers containing an equal number of self-expanding sterile prostheses.
• Each dispenser is equipped with a cannula for inserting the prostheses in the intersphincteric space, sterile prostheses are inserted between the internal and external anal sphincter by means of the specific Delivery System.
• Self-expanding prostheses
o sterile (supplied inside the dispensers)
o biologically inert
The implants are made of a self-expanding material equipped with a shape memory, able to grow in volume through the absorption of body fluids
• Within 48 hours of implantation, the prostheses expand by absorbing the physiological fluids and increase their volume up to 730% of their original size. Thanks to the “shape memory” effect, the prostheses return to their initial shape following the movement of the anal sphincters. No short- or long-term complications have been reported following the implant. The rare cases of implant migration have been easily resolved and have not compromised the effectiveness of the results.2
Treating fecal incontinence may require surgery to correct an underlying problem, such as rectal prolapse or sphincter damage caused by childbirth. The options include:
• Sphincteroplasty. This procedure repairs a damaged or weakened anal sphincter that occurred during childbirth. Doctors identify an injured area of muscle and free its edges from the surrounding tissue. They then bring the muscle edges back together and sew them in an overlapping fashion, strengthening the muscle and tightening the sphincter.
• Treating rectal prolapse, a rectocele or hemorrhoids. Surgical correction of these problems will likely reduce or eliminate fecal incontinence.
• Sphincter replacement. A damaged anal sphincter can be replaced with an artificial anal sphincter. The device is essentially an inflatable cuff, which is implanted around your anal canal.
When inflated, the device keeps your anal sphincter shut tight until you’re ready to defecate. To go to the toilet, you use a small external pump to deflate the device and allow stool to be released. The device then reinflates itself.
• Sphincter repair (dynamic graciloplasty). In this surgery doctors take a muscle from the inner thigh and wrap it around the sphincter, restoring muscle tone to the sphincter.
• Colostomy (bowel diversion). This surgery diverts stool through an opening in the abdomen. Doctors attach a special bag to this opening to collect the stool. Colostomy is generally considered only after other treatments haven’t been successful.
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