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Lateral Internal Sphincterotomy

Lateral Internal Sphincterotomy is a precise surgical intervention designed to alleviate discomfort and promote healing from chronic anal fissures. This procedure targets the internal sphincter muscle, reducing its tension to ease pain and improve the healing environment within the anal canal. If you are struggling with persistent pain or recurrent fissures that have not responded to conventional treatments, consider consulting with Pristyn Care’s team of expert colorectal surgeons. They specialise in minimally invasive sphincterotomy techniques for a faster recovery and effective relief. Book your appointment today.

Lateral Internal Sphincterotomy is a precise surgical intervention designed to alleviate discomfort and ... Read More

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What Is Lateral Internal Sphincterotomy?

A lateral internal sphincterotomy is a surgical procedure aimed at treating chronic anal fissures. These fissures can cause severe pain and bleeding during bowel movements. A specialist surgeon, often a colorectal surgeon, performs this surgery. 

The main purpose of the procedure is to reduce the spasming of the sphincter muscle, which helps alleviate pain and facilitate healing of the fissure. This surgery provides significant relief and is typically considered when other, less invasive treatments have not been successful. It has a high success rate, making it a beneficial option for those suffering from persistent symptoms.

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What Are The Types Of Lateral Internal Sphincterotomy?

Lateral internal sphincterotomy, a surgical method for treating chronic anal fissures, employs two primary techniques: open and closed. Both aim to decrease muscle tension, aiding in symptom relief and healing.

  • Open Technique: This approach involves the surgeon directly viewing the anal canal. The surgeon makes a precise incision to divide the internal sphincter muscle. This direct visualisation allows for accurate placement of the incision but is more invasive.

Closed Technique: In contrast, the closed technique does not involve direct visualisation of the muscle. Instead, the surgeon uses palpation to locate the sphincter muscle and makes a small stab incision in the skin to divide it. This method is less invasive and reduces potential complications related to wound healing.

Diagnosis Before Lateral Internal Sphincterotomy

Effective diagnosis is crucial before proceeding with a lateral internal sphincterotomy. The diagnosis begins with a detailed assessment of the patient’s symptoms and medical history. Here are the key diagnostic methods:

  • Clinical Examination: The first step usually involves a physical examination of the anal area to check for visible signs of a fissure.
  • Digital Rectal Examination (DRE): The surgeon performs a DRE to feel for abnormalities in the anal canal that are not visible externally.
  • Anoscopy: This procedure involves inserting a small instrument into the anal canal to get a clear view of the fissure. Anoscopy helps confirm the diagnosis and rule out other conditions.

Manometry: Occasionally, if the diagnosis is unclear, manometry is used to measure the pressure inside the anal sphincter, which can indicate underlying issues contributing to the fissure.

What Is The Procedure For Lateral Internal Sphincterotomy?

Here are the steps involved in the lateral internal sphincterotomy procedure:

  • Preparation: Patients undergo a pre-operative assessment, including a review of their medical history and a physical examination to make sure they are fit for surgery.
  • Anaesthesia: The procedure is typically performed under local anaesthesia, which numbs the anal area, though some cases may require general anaesthesia.
  • Incision: Depending on the technique (open or closed), the surgeon makes a small incision.
    • In the open technique, the surgeon exposes the internal sphincter muscle directly for precise cutting.
    • In the closed technique, the surgeon makes a small stab incision without direct visualisation of the sphincter.
  • Division of the Sphincter: The surgeon carefully cuts a portion of the internal sphincter muscle. This step helps to decrease muscle tension and improve blood flow.
  • Closure: In the open technique, the incision may need sutures, whereas the closed technique often requires no suturing.

Recovery: Post-operative care involves pain management and instructions on hygiene to prevent infection. Patients might receive dietary recommendations to soften stool and ease the healing process.

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Who Is The Right Candidate For Lateral Internal Sphincterotomy?

Identifying the right candidates for lateral internal sphincterotomy is crucial for achieving optimal outcomes. This surgery is specifically designed for patients who have not responded to other treatments for anal fissures.

Here are the criteria to determine a patient’s eligibility:

  • Persistent Pain: Candidates often experience persistent pain and discomfort from chronic anal fissures that do not heal with non-surgical treatment methods.
  • Recurring Symptoms: Patients who have recurring fissures despite conservative treatments such as topical ointments or dietary changes may benefit from this surgery.
  • Good Overall Health: Ideal candidates should be in good overall health to tolerate the procedure and anaesthesia.
  • Understanding of the Procedure: Patients must have a clear understanding of the surgical procedure, its potential risks, and the post-operative care required for successful healing.

No Significant Comorbid Conditions: Patients with certain conditions that could complicate surgery or anaesthesia may not be suitable candidates.

What Are The Benefits Of Lateral Internal Sphincterotomy?

Lateral internal sphincterotomy is an effective surgical treatment primarily used to address chronic anal fissures. This procedure offers several significant benefits:

  • Pain Relief: One of the most immediate benefits is the reduction of pain. By decreasing the tension in the sphincter muscle, patients typically experience quick relief from the intense pain associated with bowel movements.
  • Improved Healing: The surgery improves blood flow to the anal region, which promotes the healing of fissures.
  • High Success Rate: This procedure has a high success rate, with many patients experiencing complete resolution of symptoms.
  • Quick Recovery: Patients usually recover quickly, with most returning to normal activities within a week.
  • Low Recurrence Rate: There is a reduced risk of recurrence of fissures after this surgery compared to non-surgical treatments.
  • Minimal Complications: When performed by an experienced surgeon, lateral internal sphincterotomy has a low complication rate.

How To Prepare For Lateral Internal Sphincterotomy?

Preparing for a lateral internal sphincterotomy is crucial for ensuring the success of the surgery and minimising risks:

  • Medical Evaluation: Undergo a complete medical evaluation to identify any health issues that could affect the surgery.
  • Medication Review: Discuss your current medications with your doctor, as some may need to be paused or adjusted.
  • Fasting: You may need to fast for several hours before the procedure, usually starting from midnight the day before.
  • Bowel Preparation: Follow your surgeon’s instructions on bowel preparation, which may include laxatives or an enema.

Arrange Transportation: Arrange for someone to drive you home after the surgery, as you will not be able to drive yourself.

What Are The Recovery Tips and Precautions To Follow After Lateral Internal Sphincterotomy?

Recovery from a lateral internal sphincterotomy is generally quick, but proper care is essential:

  • Pain Management: Manage pain with prescribed medications. Ice packs can also reduce pain and swelling.
  • Wound Care: Keep the surgical area clean and dry. Follow your doctor’s instructions on how to clean the area.
  • Dietary Adjustments: Eat high-fibre foods and drink plenty of fluids to soften stools and prevent constipation, which can strain the healing area.
  • Activity Limitations: Avoid heavy lifting and strenuous activities for the first few weeks to prevent strain on the healing tissues.
  • Follow-Up Appointments: Attend all follow-up appointments to ensure proper healing and to address any concerns.

Watch for Complications: Be alert for signs of infection or unusual pain, which should be reported to your doctor immediately.

Potential Risks Or Complications Associated With Lateral Internal Sphincterotomy

While lateral internal sphincterotomy is generally safe and effective, like all surgical procedures, it carries potential risks and complications. Understanding these risks can help patients make informed decisions and recognise symptoms early.

  • Bleeding: Some bleeding is normal after surgery, but excessive bleeding may occur and require further medical intervention.
  • Infection: The surgical site may become infected, which is a risk with any type of surgery. Signs of infection include increased pain, redness, and discharge.
  • Incontinence: One of the more significant risks associated with this surgery is a change in bowel control. Some patients may experience temporary or, rarely, permanent difficulty controlling gas or bowel movements.
  • Anal Fissure Recurrence: Although the surgery has a high success rate, there is still a chance that fissures may recur or that new fissures may develop.
  • Pain During Recovery: Postoperative pain is expected, but some patients may experience severe pain that requires management with medications.
  • Scarring: Scar tissue can form at the site of the surgery, which may lead to stiffness or discomfort.
  • Delayed Healing: In some cases, the surgical site may take longer to heal, which can be influenced by factors such as personal health conditions or poor wound care.

Patients considering this surgery should discuss all potential risks and complications with their surgeon to fully understand the implications and management strategies.

FAQs

What is lateral internal sphincterotomy?

Lateral internal sphincterotomy is a surgical procedure primarily used to treat chronic anal fissures. It involves making a small incision to partially cut the internal anal sphincter muscle. This reduces muscle tension, alleviates pain, and promotes healing of the fissure. It is typically recommended after other non-surgical treatments have failed to provide relief.

How long does it take to recover from a lateral internal sphincterotomy?

Recovery time varies, but most patients can return to normal activities within one week. Complete healing of the area may take several weeks, during which care is needed to manage discomfort and prevent complications. Follow-up visits are essential to monitor healing and manage any postoperative symptoms.

How is lateral internal sphincterotomy performed?

Lateral internal sphincterotomy can be performed using either an open or closed technique. The open technique involves directly visualising the internal sphincter and making an incision, while the closed technique involves a small incision without direct visualisation, relying on palpation to guide the procedure. Both methods aim to reduce sphincter pressure and alleviate symptoms.

What are the disadvantages of lateral internal sphincterotomy?

Disadvantages include potential risks such as bleeding, infection, and particularly the risk of temporary or permanent incontinence of gas or stool. There is also a small risk of anal fissure recurrence. Pain and discomfort during recovery can affect daily activities.

How much does lateral internal sphincterotomy cost?

The cost of a lateral internal sphincterotomy in India can vary widely depending on the hospital, location, and the surgeon’s expertise. Generally, the procedure is more affordable in India compared to many Western countries. Prices can range from approximately ₹20,000 to ₹50,000. This variation in cost includes the surgeon’s fees, hospital charges, and anaesthesia. Patients should consult specific hospitals for exact pricing and also consider if their health insurance might cover part of the costs.

Are there stitches from lateral internal sphincterotomy?

In the open technique of lateral internal sphincterotomy, stitches may be used to close the incision. However, the closed technique often does not require stitches as it involves only a small cut. The decision on stitching depends on the specific method used and the surgeon’s discretion.

Can fissures return after lateral internal sphincterotomy?

Yes, fissures can return after a lateral internal sphincterotomy, although this is relatively rare. The procedure has a high success rate, but recurrence can occur, especially if underlying issues such as chronic constipation are not managed effectively.

Is lateral internal sphincterotomy risky?

Like any surgical procedure, lateral internal sphincterotomy carries risks. The most significant risks include bleeding, infection, and the potential for incontinence. However, it is generally considered safe and effective with a skilled surgeon, especially when conservative treatments have failed.

What is the alternative to lateral internal sphincterotomy?

Alternatives to lateral internal sphincterotomy include non-surgical treatments such as topical ointments, botox injections into the sphincter muscle, and lifestyle changes like increased dietary fibre intake. These alternatives are usually considered before surgical options and can be effective for less severe cases.

How painful is lateral internal sphincterotomy?

The level of pain experienced after lateral internal sphincterotomy can vary but is typically manageable with pain relief medications. Patients may experience discomfort, particularly during bowel movements, in the initial recovery phase. Pain management is an important part of postoperative care.

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