Logan Steele
Anal sphincter repair surgery is a procedure used to repair torn or damaged muscles surrounding the anus, which can cause a loss of normal bowel control, also known as faecal incontinence. The surgery is recommended when conservative treatments are unsuccessful and the condition is adversely affecting the patient's quality of life. The patient is placed under general anaesthesia and an incision is made to access the anal sphincter. The torn or damaged muscles are then removed and the remaining ends are stitched together in an overlapping fashion to strengthen the muscles and tighten the sphincter. Following the procedure, patients can expect some discomfort and may be required to stay in the hospital for a few days.
| Characteristics | Values |
|---|---|
| Success Rate | 80% long-term success rate |
| Indications | Disruption following injury, especially during traumatic vaginal delivery |
| Types of Surgery | Sphincteroplasty, Dynamic Graciloplasty, Sphincter Replacement, Levatorplasty, Neosphincter, Internal Anal Sphincter Repair, Gluteoplasty, Artificial Anal Sphincter |
| Anaesthesia | General anaesthesia |
| Hospital Stay | 3-4 days or 24 hours |
| Recovery | 6 weeks for complete recovery |
| Post-Surgery Care | Pelvic floor exercises, dietary changes, pain killers, stool softeners, fibre supplements |
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What You'll Learn
- Surgical options: Sphincteroplasty, Graciloplasty, Sphincter Replacement
- Conservative treatment: Pelvic floor exercises, dietary changes, fibre supplements
- Post-operative care: Managing pain, wound care, bowel movements
- Anal repair: Overlapping repair, rectopexy, Delorme's procedure
- Indications: Childbirth, injury, faecal incontinence
Surgical options: Sphincteroplasty, Graciloplasty, Sphincter Replacement
Surgical options are usually considered for patients who have not responded to conservative treatment. Here are some surgical options for repairing the sphincter muscle:
Sphincteroplasty (SP)
Sphincteroplasty is the most frequently performed surgery for patients with moderate-to-severe anal incontinence (AI) who do not respond to conservative treatment. SP is intended as a sphincter reconstruction and involves suturing the two divided ends of the sphincter. The short-term results are good, with 74% of patients reporting improved continence at three months. However, the long-term outcome is less satisfactory, with only 48% of patients still experiencing improved continence at 80 months. SP is more effective in males than in multiparous women, whose sphincters are often denervated.
Graciloplasty
Graciloplasty is another surgical option for treating anal incontinence. It involves taking muscle from the thigh and encircling it around the anus. A nerve stimulator is inserted to make the muscle contract tonically. This procedure can be performed as either adynamic or dynamic graciloplasty. Dynamic graciloplasty is cost-effective compared to stoma care, except for patients with a short life expectancy.
Sphincter Replacement
When sphincter repair is not possible or has failed, other operations such as dynamic graciloplasty, gluteoplasty, and artificial anal sphincter replacement can be considered. Gluteoplasty involves transposing one or both gluteus muscles from the buttock and using them to encircle the anal canal. This procedure can be combined with an electrical stimulator to enhance results.
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Conservative treatment: Pelvic floor exercises, dietary changes, fibre supplements
Conservative treatment methods for repairing the sphincter muscle include pelvic floor exercises, dietary changes, and fibre supplements. These methods can help manage symptoms and improve sphincter muscle function without the need for surgical intervention.
Pelvic floor exercises, also known as pelvic floor muscle training exercises (PFMT), are a series of exercises designed to strengthen the muscles of the pelvic floor. These exercises are recommended for individuals experiencing problems with urine leakage or bowel control, as they can help improve urinary continence. To perform PFMT exercises, one must first learn to identify the correct muscles. This can be done by inserting a finger into the vagina or rectum and tightening the muscles as if holding in urine, then releasing. These are the muscles that will be targeted during the exercises. Once the correct muscles are identified, individuals can perform PFMT exercises by tightening the pelvic floor muscles and holding for a count of 10, then relaxing for a count of 10. This sequence should be repeated 10 times, and the entire set should be performed 3 to 5 times a day. It is important to ensure that only the pelvic floor muscles are engaged during these exercises, and other muscles, such as those in the abdomen, back, thighs, buttocks, or chest, should remain relaxed. Most people notice some improvement after 4 to 6 weeks of consistent practice, and major changes may take up to 3 months.
In addition to PFMT exercises, making dietary changes can also help manage sphincter muscle dysfunction. Dietary modifications can include adding fibre supplements to the diet, which can help improve bowel regularity and reduce the risk of constipation or diarrhoea, both of which can place additional strain on the sphincter muscles. It is important to note that while these conservative treatments can be effective, they may not work for everyone. If these initial treatments do not lead to significant improvement, it is advisable to consult a healthcare professional for further guidance and to discuss other treatment options.
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Post-operative care: Managing pain, wound care, bowel movements
Post-operative care: Managing pain, wound care, and bowel movements
After surgery to repair the sphincter muscle, you can expect some post-operative pain for a few days. This can be managed with medication, and your surgeon will give you a prescription for pain relievers. You may experience some pain with bowel movements after your surgery.
It is important to keep the wound clean. Use a bidet or shower head to rinse your wound after pooping, and soak your anus in a sitz bath after pooping as well.
There may be a delay before your first bowel movement. Surgery and anesthesia can cause constipation. Take it easy for the next week or two, and avoid any strenuous activity.
You might experience minor fecal incontinence, such as leaking small amounts of stool or gas during your recovery. This is a common short-term complication of sphincterotomy, affecting up to 50% of people, and it usually goes away as you recover.
Bowel movements
The anal sphincter muscles surround the anal canal and help control bowel movements. The internal sphincter is the inner ring, while the external sphincter surrounds it. The external sphincter is under your control, but the internal sphincter is involuntary and only relaxes during bowel movements.
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Anal repair: Overlapping repair, rectopexy, Delorme's procedure
Anal repair surgery has an 80% long-term success rate and involves repairing the muscle around the anus. The indications for repairing an anal sphincter usually involve disruption following injury, most often relating to a traumatic vaginal delivery.
Overlapping Repair
In an overlapping repair, a horseshoe incision is made around the anus. The ends of the separated external sphincter are located and brought to the midline, where an overlapping repair is fashioned. The wound is then closed with absorbable sutures that go under the skin and do not need to be removed. A small plastic drain may be inserted to allow for the drainage of excess fluid that might collect post-operation.
Rectopexy
Rectal prolapse surgery (rectopexy) may take place through the abdomen or perineum (a perineal rectosigmoidectomy). Rectopexy can be performed laparoscopically with 4-5 very small incisions instead of one large incision across the lower abdomen. Delorme's procedure is a type of rectopexy used for rectal mucosa prolapses or small rectal prolapses. The lining of the rectum is removed, and the muscular layer is folded over and stitched together inside the anal canal. This creates a doubled muscular wall that holds the rectum in place.
Delorme's Procedure
Delorme's procedure is a type of rectopexy that does not require an external incision. It is performed through the anus and is used for rectal mucosa prolapses or small rectal prolapses.
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Indications: Childbirth, injury, faecal incontinence
The two muscles that make up the anal sphincters are the internal and external anal sphincters. The internal sphincter is a thin white muscle wrapped around the anal canal that keeps small amounts of liquid and gas from escaping unexpectedly during rest and sleep. The external sphincter is a large thick red voluntary muscle that an individual can squeeze when they need to go to the bathroom but are not near one.
If the anal sphincter muscles are damaged or torn during childbirth, surgery can be performed to repair and tighten the muscles. This is known as a sphincter repair operation or anal repair surgery, which has an 80% long-term success rate. Before recommending surgery, doctors must study the pudendal nerve, which is the nerve connected to the external anal sphincter. If it is damaged on both sides, surgery may not help.
If the pelvic floor area is generally weak but the sphincter muscle is not torn or damaged, a surgeon may suggest a post-anal repair, which tightens the muscles to provide more support. This procedure has a lower success rate, with only one in four patients achieving long-term bowel control.
Faecal incontinence can also be treated with pelvic muscle retraining, which helps individuals achieve better control of their pelvic floor muscles. This treatment aims to strengthen the muscles, improve the resting tone of the sphincter muscles, increase the patient's ability to contract the muscles, and improve their awareness of when it is time to empty the rectum. Pelvic muscle retraining is effective in treating incontinence, constipation, and rectal or pelvic pain.
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Frequently asked questions
Anal repair surgery has an 80% long-term success rate.
The different types of sphincter repair surgeries include: Sphincteroplasty or Sphincter Reconstruction, Dynamic Graciloplasty, Sphincter Replacement, Levatorplasty, and Neosphincter.
You may experience some discomfort, pain, and swelling in the perianal region. It is also common to experience some bleeding in the first two to three days. The wound can be cleaned with soap and water in the shower. You will be given specific instructions to regain normal bowel movements, pelvic floor exercises, and dietary habits to avoid constipation and diarrhoea.
Complete recovery may take six weeks.
