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Advanced Treatment for Anal Fistula
An anal fistula is an infected tunnel between the skin and the anus, the muscular opening at the end of the digestive tract. Most anal fistulas are the result of an infection in an anal gland that spreads to the skin.
95%
Success Rate
30-45 minutes
Procedure
5-7 days
Recovery
Free
Consultation
Did You Know?
Nearly 50% of all perianal abscesses will eventually develop into an anal fistula if not treated early and appropriately.
Common Symptoms
- Recurrent anal abscesses
- Pain and swelling around the anus
- Bloody or foul-smelling drainage (pus) from an opening around the anus
- Irritation of the skin around the anus due to drainage
Major Causes
- Clogged anal glands
- Anal abscesses
- Crohn’s disease
- Trauma
- Sexually transmitted diseases
How is Anal Fistula Diagnosed?
Clinical examination and probing of the fistula tract to identify the internal and external openings.
MRI of the pelvis — the gold standard for mapping complex fistula tracts and their relation to sphincter muscles.
Endoanal ultrasound to assess sphincter integrity and identify additional fistula branches.
Fistulography (injection of contrast dye) in select complex cases for detailed tract visualization.
Types of Anal Fistula Treatment
Intersphincteric Fistula
The most common type, passing between the internal and external sphincter muscles without involving much sphincter tissue.
Transsphincteric Fistula
Passes through both sphincter muscles; requires careful surgical planning to preserve continence.
Suprasphincteric Fistula
A complex, high fistula that loops over the top of the puborectalis muscle, requiring staged surgical treatment.
How the Procedure Works
The patient is positioned and administered spinal or general anesthesia for complete comfort.
The fistula tract is carefully probed and mapped using a fistula probe and hydrogen peroxide to identify all internal openings.
A laser fiber (FiLaC technique) is inserted into the fistula tract, and laser energy is delivered to destroy the tract lining from within.
The internal opening is sutured closed, and the external opening is left to drain and heal naturally.
The procedure preserves the sphincter muscles entirely, and the patient is discharged within 24 hours.
Traditional vs Modern Treatment
| Traditional Surgery | Modern (Laser/Laparoscopic) |
|---|---|
| Open fistulotomy involved laying open the entire fistula tract, causing significant post-operative pain and a long healing wound. | Laser FiLaC technique closes the tract from inside without any open wounds, resulting in minimal pain. |
| Traditional surgery carried a 5-10% risk of fecal incontinence due to sphincter muscle damage. | Laser treatment fully preserves sphincter muscles, reducing incontinence risk to near zero. |
| Recovery from open fistula surgery often took 4-8 weeks with daily dressings. | Patients typically resume normal activity within 5-7 days after laser treatment. |
| High recurrence rates of 20-30% with conventional surgery for complex fistulas. | Advanced laser and LIFT techniques achieve recurrence rates below 5%. |
When to See a Doctor
Consult a specialist immediately if you experience:
- A persistent or recurrent perianal abscess that keeps refilling with pus.
- Continuous discharge of pus, blood, or foul-smelling fluid from an opening near the anus.
- Increasing pain, redness, and swelling around the anal region despite antibiotic treatment.
- A history of Crohn's disease or prior perianal surgery with new perianal symptoms.
Post-Operative Care Instructions
Maintain meticulous anal hygiene by gently washing the area with warm water after every bowel movement.
Take prescribed antibiotics and analgesics for the full recommended course.
Eat a high-fiber diet and stay well-hydrated to prevent constipation and straining.
Avoid strenuous physical activities, cycling, and sitting on hard surfaces for 2-3 weeks.
Attend regular wound-dressing and follow-up visits to monitor healing of the fistula tract.
Frequently Asked Questions about Anal Fistula
Is fistula surgery dangerous?
With modern laser techniques, the risk of complications like incontinence is extremely low.
How long does the fistula surgery take?
The laser procedure typically takes 30 to 45 minutes.