Causes of non-healing of enterocutaneous fistula are all except
• Enterocutaneous fistulas are most commonly iatrogenic, usually the result of a surgical misadventure.
Surgical misadventure leading to Enterocutaneous fistula :
• Anastomotic leakage.
• Injury of the bowel or blood supply.
• Laceration of the bowel by wire mesh or retention suture.
Epithelialization of track
Track length >3 cm
Acute inflammatory disease
Radiation enteritis