the Risk of Anal Fistula Recurrence After Surgery - Surgery

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The possibility of fistula recurrence?


Hello, doctor.
I have undergone two anal fistula surgeries in the past four years.
Recently, I noticed a little bit of blood and clear discharge when wiping the area with toilet paper, even though the wound should have healed by now.
However, I do not experience any pain when sitting.
Could this indicate a recurrence? Should I sit in warm water? I am very concerned about a potential recurrence.

Da Tou, 20~29 year old female. Ask Date: 2017/07/26

Dr. Ke Fangxu reply Surgery


It is possible that it is a recurrence.
If you have undergone surgery twice within four years, it indicates that your fistula is not easy to manage.
The more complex the fistula, the higher the likelihood of recurrence.
I recommend that you consult your physician for further evaluation.
If you are not currently considering another surgery, you can also take oral medications along with warm sitz baths to alleviate the symptoms.

Reply Date: 2017/07/26

More Info


The concern regarding the recurrence of an anal fistula after surgical intervention is quite valid, especially given your history of two previous surgeries. Anal fistulas can be challenging to manage, and recurrence is a known complication.
Firstly, it’s important to understand that the presence of blood and transparent discharge from the area where the fistula was previously treated could indicate a few possibilities. It may suggest that the fistula has recurred, or it could be a sign of inflammation or irritation in the area. The fact that you are not experiencing pain while sitting is a positive sign, as pain is often associated with active inflammation or infection. However, the discharge should not be overlooked.

In terms of management, sitting in warm water (sitz baths) can be beneficial. This practice helps to soothe the area, promote blood circulation, and may assist in the healing process. It can also provide relief from any discomfort you might be experiencing. Regular sitz baths can help keep the area clean and may reduce the risk of infection.

Regarding the recurrence of the fistula, it is essential to consult with a healthcare professional who can perform a thorough examination. They may recommend imaging studies, such as an MRI or ultrasound, to assess the area more accurately. These imaging techniques can help determine if there is indeed a recurrence of the fistula or if the symptoms are due to another issue, such as scar tissue or residual inflammation.

The risk of recurrence after anal fistula surgery can vary based on several factors, including the complexity of the fistula, the surgical technique used, and individual patient factors such as underlying health conditions. Generally, the recurrence rate can range from 5% to 30%, depending on these factors.
If a recurrence is confirmed, treatment options may include further surgical intervention. The type of surgery will depend on the specific characteristics of the fistula. In some cases, a more extensive procedure may be necessary to ensure complete healing.
In the meantime, it is crucial to maintain good hygiene in the anal area, avoid straining during bowel movements, and consider dietary changes to ensure softer stools. A diet rich in fiber, adequate hydration, and possibly the use of stool softeners can help prevent constipation and reduce the risk of further complications.

Lastly, monitoring for any changes in symptoms, such as increased pain, swelling, or changes in the nature of the discharge, is essential. If you notice any worsening of symptoms, it is advisable to seek medical attention promptly.

In summary, while the signs you are experiencing could indicate a recurrence of the anal fistula, it is essential to have a professional evaluation to determine the appropriate course of action. Regular sitz baths can provide comfort and aid in healing, but a thorough examination and possibly further imaging are necessary to confirm the diagnosis and guide treatment.

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