Perioperative management - Seton drainage in high transsphincteric anal fistula

• Intermediate transsphincteric fistulas
• High transsphincteric fistulas
• Suprasphincteric fistulas
• Acute abscess with existing fistula that initially cannot be laid open

• Patients who are inoperable

Note: Chronic inflammatory bowel disease is not a contraindication for this surgical technique.

• The necessary diagnostic work-up depends on the underlying problem and the urgency of the acute inflammation. As a rule, no specific examination modalities are required. Possibly helpful in special cases: Anal endosonography, CT or MRI

• None

General:

• Bleeding
• Thrombosis
• Embolism etc.

Specific:

• Persistent secretion
• Protracted healing
• Long healing period
• Renewed abscess formation
• Usually requiring further surgery