Fistula open surgery (fistulotomy) treats anal fistula by cutting open the fistula tract and allowing it to heal from the inside out. It is effective for simple low fistulas and offers a high cure rate with low recurrence.
Fistula open surgery (fistulotomy) treats anal fistula by cutting open the fistula tract ... Read More

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Fistula open surgery, also known as fistulotomy, is a procedure in which the fistula tract is cut open, cleaned, and allowed to heal from the inside out. It is considered the most effective treatment for simple low anal fistulas. The procedure involves laying open the entire fistula tract by cutting the tissue covering it, converting the tunnel into an open wound that heals with granulation tissue. Open fistula surgery has a high success rate for low intersphincteric and transsphincteric fistulas with minimal sphincter involvement. Pristyn Care provides open fistula surgery by experienced colorectal surgeons with comprehensive post-operative care.
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Patients with anal fistula requiring open surgery often experience:
Fistula open surgery is used for the following types of anal fistula:
Open fistula surgery can be performed using different techniques:

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Risk factors that can lead to anal fistula requiring open surgery include:
Open fistula surgery (fistulotomy) is recommended for patients with simple low intersphincteric or transsphincteric fistulas where the risk of sphincter damage is minimal. It is also used for fistulas that have not healed with Ksharsutra or conservative treatments. Patients with complex high fistulas involving significant sphincter muscle may require alternative procedures such as seton placement or advancement flap repair.
Diagnosis before open fistula surgery includes:
Fistulotomy is performed under spinal or general anesthesia. The surgeon identifies the entire fistula tract and lays it open by cutting the tissue covering it. The wound is then curetted (cleaned out) and left open to heal by secondary intention. Patients typically go home the same day. Pristyn Care performs open fistula surgery with precision to minimize sphincter damage and ensure complete fistula eradication, significantly reducing the risk of recurrence.
Recovery after open fistula surgery takes 4 to 6 weeks:
Open fistula surgery is effective but may involve the following complications:
Fistulotomy is most effective for simple low intersphincteric and transsphincteric fistulas where the sphincter is minimally involved. For high complex fistulas involving significant sphincter muscle, alternative procedures such as seton placement, Ksharsutra, or advancement flap are preferred to reduce the risk of incontinence.
Recovery after fistulotomy typically takes 4 to 6 weeks. The wound heals gradually from the inside out through secondary intention healing. Regular wound dressing and sitz baths are required during this period. Most patients can resume light activities within 1 to 2 weeks of surgery.
Fistulotomy has a low recurrence rate of approximately 2 to 9 percent for simple intersphincteric fistulas. Recurrence is more common when the internal opening is not completely identified and treated. Following post-operative instructions and attending regular follow-up visits significantly reduces the risk of recurrence.
Fecal incontinence is a potential risk of fistulotomy, particularly when significant sphincter muscle is divided. The risk is low for simple low fistulas but increases for high transsphincteric or complex fistulas. The surgeon carefully assesses sphincter involvement before recommending fistulotomy to minimize this risk.
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I recently had a very positive experience with Pristyn Care during my hospital visit. The entire process from coordination to hospital support was handled in a professional and well organized manner. The team was supportive, responsive, and ensured that everything was explained clearly, which made the experience completely smooth and stress free. A special mention to the staff for their empathy and timely assistance throughout the journey. It’s reassuring to see a healthcare organization so focused on patient experience and service quality. Thank you, Pristyn Care, for setting a high standard in patient care.