Sphincter Repair

Sphincterotomy surgery

Sphincterotomy is a surgical incision into a sphincter muscle to reduce high pressure, a pain source, and allow better motility. It is most commonly done for chronic anal fissures, but the word is also applied to cuts made in other sphincters (eg, biliary sphincterotomy during ERCP). In this profile the focus is on the Anal Fissures treated with Lateral Internal Sphincterotomy (LIS). 

Why is Sphincterotomy Done?

Sphincterotomy is advised in situations when conservative methods do not work and these include:

• Acute anal fissure of over 6-8 weeks.
• Discomfort in the anus when defecating or afterwards.
• Recurrent fissures
• Internal anal sphincter high resting pressure.

Benefits

• Reduces sphincter spasm
• Enhances the blood flow to the fissure.
• Promotes healing
• Gives long-term analgesia.

Types of Sphincterotomy

• Lateral Internal Sphincterotomy (LIS) - This is the most common for anal fissures. 
• Open sphincterotomy - Small incision wherein visualized directly.
• Closed sphincterotomy - minimal incision, muscle internal cut.

Sphincterotomy procedure

Sphincterotomy is a short, efficacious surgical procedure aimed to treat chronic anal fissures by reducing the high internal anal sphincter muscle pressure and thus allowing the fissure to heal. Sphincterotomy Procedure Step-By-Step:

Preparation for surgery

• Clinical examination and confirmation of chronic fissure. 
• Regular blood examinations (as recommended)
• Bowel preparation is normally minimal.
• Do not eat for 6 to 8 hours before the procedure if you will be under spinal or general anaesthesia. 

Anaesthesia

• Local anaesthesia
• Spinal anaesthesia
• General anaesthesia
• The decision relies on comfort to the patients, and the preference of the surgeons.

Patient Positioning

• Lithotomy position (supine with legs elevated).
• Or left lateral position

Surgical Steps

Discovery has two popular methods:

Open Sphincterotomy

• The side of the anus is incised in a small manner.
• Internal anal sphincter is determined.
• Reduction of low part of the muscle is done with care.
• Wound can either be open or surrounded by absorbable sutures.

Closed Sphincterotomy

• A very small incision is made
• Using a scalpel, one inserts under the mucosa.
• The interior muscle of the sphincter is separated without visual observation.
• They do not need many sutures.
• Time: 15–30 minutes

Completion

• Bleeding is controlled
• There is no packing that is generally necessary.
• Patient transferred to recovery under observation.

After the Procedure

• Same-day discharge in the majority of cases.
• Prescribed oral painkillers.
• Sitz baths advised from day 1–2
• Stool softeners and high-fiber diet suggested.

Healing Timeline

• Pain relief: within 48–72 hours
• Wound healing: 2–4 weeks
• Go back to normal: 3-7 days.

Success Rate

• Healing rate: 90–95%
• Recurrence rate: <5%

Sphincterotomy recovery

The healing process of lateral internal sphincterotomy (LIS), is usually fast and without incident, most of the patients recover from pain in a few days. 

Immediate Recovery (First 24–48 Hours) 

• Mild surgical site pain or burning.
• Minimal bleeding or spotting could take place.
• Fissure pain is normally significantly greater than pain.
• Painkillers are enough, orally.
• In the majority of cases, same-day discharge.

What helps:

• Rest at home
• Warm sitz baths (soak 10 - 15 minutes, 2-3 times daily) 
• Plenty of fluids

Short-Term Recovery (Days 3–7)

• Pain is reduced to a considerable level.
• The bowel movements are softened.
• Several episodes of discomfort primarily on first bowel movements.
• The majority of the patients resume normal light activities.

Care tips

• Low-residue diet (includes milk, cheese, meat, eggs, fish) and low fluid intake.
• Fiber supplements or stool softeners are available by prescription.
• Avoid straining, and avoid sitting for a long time on the toilet. 

Healing phase (weeks 2–4) 

• Heal of surgical wound is complete.
• Fissure heals and pain cures.
• Normal bowel habits return
• No limitation to habitual activities.

Return to Work & Activity

• Desk work: 2–3 days
• Light physical work: 5–7 days
• Extensive work or lots of it: 2-3 weeks.

Diet During Recovery

• Foods high in fiber
• Adequate water intake (2.5-3 L/d unless contraindicated)
• Avoid spicy foods, alcohol and sue causing constipation. 

Sphincterotomy complications

Sphincterotomy (usually lateral internal sphincterotomy - LIS) has proven to be a safe and effective operation of chronic anal fissures. Nevertheless, any surgery may also be involved in potential complications, and the overwhelming majority of them are short-lived and mild.

Common & Minor Complications

• Pain or Discomfort
• Bleeding
• Infection
• Delayed Wound Healing

Functional Complications

• Temporary Incontinence (Most Discussed Risk)
• Persistent or Recurrent Fissure

Rare Complications

• Long-Term Fecal Incontinence
• Anal Abscess or Fistula

Best hospital for sphincterotomy India

• Artemis Hospital, Gurgaon
• Medanta-The Medicity, Gurgaon
• Fortis Memorial Research Institute, Gurgaon
• Max Hospital, Saket

Conclusion

When anal fissures are chronic and the conservative approaches fail, sphincterotomy is a safe, effective, and definitive approach to surgery. It lowers the over-pulling pressure of internal sphincter thus it offers quick pain relief, encourages good healing and it goes a long way in changing the quality of life. The method of a professional surgeon and proper post-surgery management, in particular, maintenance of soft stool and high hygiene, combined with the overall high success rate of the procedure (approximately 90-95 percent) and low rate of chronic complications, indicates that the procedure is very successful. In case of any side effects, they are short term and disappear as one recovers. In general, sphincterotomy is the gold standard intervention in chronic, non-healing anal fissures, which have a long-term benefit and a rapid restoration to normal daily functioning.

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FAQ

Is sphincterotomy a major operation?

• No. It is a non-invasive procedure, outpatient, day-care, is usually done in 15-30 minutes and does not require stay over in hospital. 

Is sphincterotomy painful?

• Several days after the operation, the pain is not very severe and far less than the fissure pain. Most patients get great relief after 2-3 days.

Does Sphincterotomy cause Incontinence? 

• In a few patients, temporary leakage of gasses or stool may be observed. Permanent incontinence is almost uncommon particularly in cases where the surgery is performed properly.

Is it possible to get anal fissures again in case of sphincterotomy?

• Disease transmission is rare, however in case of constipation, straining, and poor bowel habits, recurrence may occur.

Should sphincterotomy be superior to fissurectomy?

• Sphincterotomy is also most likely to offer quicker pain relief and increase the healing rate. In isolated cases, fissurectomy is used with sphincterotomy.

Should one prefer a laser sphincterotomy?

• Laser‐assisted sphincterotomy may reduce bleeding, but the success and complication rates are similar to those of conventional methods in the hands of experienced surgeons.