Anal Fistula Treatment Options in Singapore

Benefits Non-Surgical Treatment Surgical Treatment Procedure Preparation Risks FAQ

Anal fistula treatment in Singapore focuses on closing an abnormal passage between the anal canal and the skin near the anus. This passage, called a fistula, often develops after an infection in a small anal gland. The goal of treatment is to close the fistula completely, reduce the risk of it coming back, and protect normal bowel control. Depending on the fistula’s location and complexity, your doctor may recommend surgical or non-surgical treatment options.

Benefits of Treating Anal Fistula

Appropriate treatment offers several advantages that can improve daily comfort and long-term health:

Resolution of troublesome symptoms

Treatment stops the persistent drainage, reduces pain, and eliminates the recurring episodes of swelling that characterise untreated fistulas.

Prevention of further complications

Proper treatment reduces the risk of developing more complex fistula tracks, recurring abscesses, or spread of infection to surrounding tissues.

Preservation of bowel function

Modern surgical techniques are designed to close the fistula whilst maintaining normal sphincter muscle function and bowel control.

Non-Surgical Anal Fistula Treatment Options in Singapore

Whilst most anal fistulas require surgery for complete closure, certain non-surgical approaches can help manage symptoms or prepare complex fistulas for later definitive treatment:

Symptom Management

Antibiotics: Control active infections and reduce inflammation, though they do not cure the fistula
Pain relief: Warm sitz baths and over-the-counter medications can ease discomfort

These options may relieve symptoms or reduce complications in the short term, but most fistulas ultimately require surgical closure.

Surgical Anal Fistula Treatment Options in Singapore

Surgical treatments are often necessary for more complex or persistent anal fistulas. The following options may be recommended based on the type and severity of the fistula:

Fistulotomy

Involves opening the fistula from end to end, allowing it to heal as an open wound. This method is effective for simple, low-lying fistulas.

Seton Placement

Uses a surgical thread placed through the fistula to allow continuous drainage, reducing infection and protecting nearby muscles. This technique is particularly useful for complex fistulas but may require multiple procedures.

Advancement Flap Procedure

Often performed for fistulas involving the sphincter muscles. A flap of healthy tissue from the nearby rectal wall is used to cover the internal opening of the fistula, promoting healing while preserving bowel control.

LIFT Procedure (Ligation of Intersphincteric Fistula Tract)

Sphincter-preserving option for complex or recurrent fistulas. The surgeon makes a small incision between the sphincter muscles to tie off and remove the fistula tract.

Fistulectomy

Involves complete removal of the fistula tract and surrounding infected tissue. This approach may be recommended for severe or recurrent cases when other options are not feasible.

Fistula Plugs

Are biocompatible materials inserted into the fistula tract to block it and encourage surrounding tissues to heal.

FiLaC Procedure (Fistula Laser Closure)

Uses a laser probe inserted into the fistula tract. The laser energy causes coagulation and shrinkage of the tract, progressively sealing the fistula.

VAAFT (Video-Assisted Anal Fistula Treatment)

Is a sphincter-preserving procedure where a small video camera is inserted into the fistula tract. The surgeon uses this to map complex fistulas and treat them using heated probes or brushes to remove unhealthy tissue and promote healing.

How are Anal Fistula Procedures Performed?

The surgical approach varies depending on the technique chosen, but most fistula repairs follow a similar general process.

Anaesthesia administration

You’ll receive either general anaesthesia (where you’re completely asleep) or spinal anaesthesia (which numbs the lower half of your body). The anaesthetist will monitor you throughout the procedure to ensure your comfort and safety.

Fistula identification and assessment

The surgeon locates the external opening and may use probes or inject dye to trace the full path of the fistula tunnel. This mapping helps determine the exact surgical approach needed for your particular case.

Surgical repair

The chosen technique is performed, which may involve opening the tunnel, placing drainage materials, removing infected tissue, or covering openings with tissue flaps. The surgeon works carefully to preserve sphincter muscle function wherever possible.

Wound closure and dressing

Depending on the technique used, some areas may be left open to heal naturally whilst others are closed with dissolvable stitches. A protective dressing is applied to keep the area clean and comfortable.

Recovery and monitoring

You’ll be moved to a recovery area where medical staff monitor your condition as the anaesthesia wears off. Most patients can go home the same day, though some complex cases may require an overnight stay.

Preparing for Anal Fistula Surgery in Singapore

During your consultation, your surgeon will review your medical history and may arrange imaging tests, such as an MRI scan, to assess the fistula. You may be asked to follow a clear liquid diet before surgery and take prescribed laxatives to empty the bowel.

Certain medications, such as blood thinners, may need to be stopped temporarily. Fasting instructions will be provided, and pre-surgical hygiene measures, such as showering with antibacterial soap, will be recommended. You should also arrange for someone to accompany you home after the procedure.

Potential Risks and Complications

While anal fistula treatment is generally safe, all surgical procedures carry some risk. These may include temporary changes in bowel control, infection, delayed healing, or recurrence of the fistula. Rarely, patients may experience ongoing discomfort or narrowing of the anal opening, particularly with complex repairs. Non-surgical treatments have fewer risks but may not completely resolve the fistula. Your colorectal surgeon in Singapore will assess your condition and explain the specific risks and expected outcomes based on your individual treatment plan.

Frequently Asked Questions

How soon can I drive after fistula surgery?

You can usually drive once you are no longer taking strong pain medication and feel comfortable sitting, typically within one to two weeks.

Will the surgery leave visible scars?

Most anal fistula repairs heal with minimal scarring that isn’t visible externally, as the surgical sites are internal or in natural skin creases. Any external scarring typically fades significantly over time and isn’t noticeable during normal activities.

When can I resume intimate activities or examinations?

It is advisable to avoid inserting anything into the anal area for at least six weeks after surgery to allow for proper healing.

What happens if my fistula doesn’t heal properly after surgery?

If healing is delayed or incomplete, your surgeon may recommend additional treatments such as wound care adjustments, further surgical procedures, or alternative techniques. Regular follow-up appointments help identify and address any healing concerns early.

Do I need to change my toilet habits permanently?

Most patients return to normal toilet habits after healing. A high-fibre diet and good hygiene can help support long-term bowel health and reduce future problems.