Small bowel

Question 1

Favorable factors for healing external intestinal fistula

Answer 1

1. Long trackt>2 cm
2. Single tract
3. Lateral fistula
4. non-epithelized tract
5. origin (jejunum, colon, duodenal stump, pancreatobiliary)
6. no adjacent large abscess
7. no intestinal disease
8. no distal bowel obstruction
9. no foreign body
10. small enteral defect <1cm

Question 2

Unfavorable factors for healing external intestinal fistula

Answer 2

1. short tract <2 cm
2. multiple fistula
3. end fistula
4. epithelialized track
5. origin (lateral duodenum, stomach, and ileum)
6. adjacent large abscess
7. intrinsic intestinal disease (Crohn, radiation enteritis, cancer)
8. distal bowel obstruction
9. foreign body
10. large enteral defect >1 cm
11. disruption of abdominal wall
12. malnutrition
13. sepsis
14. high output fistula

Question 3

Most common cases for short gut syndrome

Answer 3

1. in pediatric patients - gastroschisis
2. In adults - ischemia