Anal Fistulas: Treatment Options and Long-Term Risks - Surgery

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Anus and rectum


Hello, doctor.
At the end of last year, I experienced redness and swelling around my anus, along with a small hard lump.
After consulting a physician, I was diagnosed with an anal fistula and was advised to undergo surgical treatment.
After the surgery, the doctor mentioned that the source of the fistula was very deep, and there was a concern that if I underwent a single surgery to address it, my anus might become deformed.
Therefore, it might require multiple surgeries over six months for a chance of recovery, and at that time, the doctor only performed a procedure similar to drainage.

I would like to ask if having a deep anal fistula necessarily means that I will need multiple surgeries.
During my last follow-up appointment, the doctor said I could undergo a second surgery, but after my first surgical experience, I have developed some fear of surgery.
So, I told the doctor that I wanted to take a break for a while.
It has now been about six months, and aside from the wound discharging some secretion and occasional mild discomfort, I have not experienced any other uncomfortable symptoms.
If possible, I would like to ignore it, but I am worried that if I do not address it, it might develop into anal cancer in a few years or that I might need to have a colostomy.

Therefore, I would like to inquire if there is a latency period for an anal fistula, and if there is a certain point when it will become problematic...
How long does this usually take?

Wǔ Yě Fūzǐ, 20~29 year old female. Ask Date: 2011/06/24

Dr. Ke Fangxu reply Surgery


Hello, in response to your question: Anal fistulas are a troublesome condition that, while not life-threatening, involve complex surgical procedures and a lengthy recovery period.
Patients often view surgery as daunting after the explanation.
However, without surgical intervention, a complete cure is not possible.
Although anal fistulas do not progress to malignant tumors, if the fistula spreads and forms multiple openings, it becomes what is known as a complex fistula, leading to more painful treatment options.
Even if it does not develop into a complex fistula, patients may still experience intermittent infections, swelling, and discharge, with varying durations.
From a physician's perspective, I would still recommend that patients undergo surgical treatment to completely eradicate this condition.

Reply Date: 2011/06/24

More Info


Anal fistulas are abnormal connections between the anal canal and the skin surrounding the anus, often resulting from an infection in the anal glands. The treatment for anal fistulas typically involves surgical intervention, as conservative measures alone are usually insufficient to resolve the condition.
In your case, it seems that you have undergone an initial drainage procedure, which is a common first step in managing anal fistulas. The fact that your doctor mentioned the fistula's deep origin and the need for multiple surgeries indicates that the fistula may be complex. Complex fistulas often require staged surgical approaches to minimize the risk of complications, such as incontinence or deformity of the anal sphincter.

Regarding your concerns about the necessity of multiple surgeries, it is not uncommon for patients with deep or complex anal fistulas to require several procedures. Each surgery aims to address different aspects of the fistula, and the timing between surgeries can vary based on the patient's healing and the surgeon's assessment. It is essential to follow your surgeon's recommendations regarding the timing of subsequent surgeries, as they will consider the healing process and the risk of recurrence.

You mentioned that you have been hesitant to proceed with further surgery due to fear and discomfort from the previous experience. This is understandable, as surgical procedures can be daunting. However, it is crucial to recognize that untreated anal fistulas can lead to complications over time, including recurrent infections, abscess formation, and potentially more severe issues. While the risk of developing anal cancer from a fistula is relatively low, chronic inflammation and irritation in the area can increase the risk of other complications.

As for the "latent period" you inquired about, anal fistulas do not have a specific timeline for when they will "explode" or worsen. However, if left untreated, they can lead to chronic symptoms and complications. The timeline for worsening symptoms can vary significantly among individuals. Some may experience a gradual increase in discomfort or drainage, while others may have sudden exacerbations due to infection or abscess formation.

It is essential to maintain open communication with your healthcare provider. If you are experiencing ongoing symptoms, such as discharge or discomfort, it is advisable to schedule a follow-up appointment. Your doctor can assess the current state of your fistula and discuss the potential risks of delaying further treatment. They may also provide you with options for managing anxiety related to surgery, such as counseling or preoperative education.

In summary, while it is understandable to want to avoid further surgery, it is crucial to address the underlying issue of the anal fistula to prevent complications. Regular follow-ups with your healthcare provider and timely intervention can help manage the condition effectively. If you have concerns about the surgical process or the risks involved, discussing these with your surgeon can help alleviate fears and provide clarity on the best course of action for your health.

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