9: Peds Intussusception

Question 1

Diagnostic testing for intussusception?

Answer 1

Flat film may be normal early in course, so abd U/S is diagnostic.

Question 2

When is the peak incidence of intussusception (age and season)?

Answer 2

• 2-12 months of age
• Summer and middle of winter

Question 3

How is intussusception treated?

Answer 3

• Air or barium enema can be used to diagnose and treat.
• If not successful, surgery.

Question 4

T/F Occult blood or visible blood is present in about 40% of intussusception cases.

Answer 4

True

Question 5

Are males or females more likely to get intussusception?

Answer 5

Males (2:1)

Question 6

What are 7 risk factors for intussusception?

Answer 6

1. Polyps
2. Meckel’s Diverticulum
3. HSP (inflammation of small blood vessels)
4. Lymphoma
5. Infections
6. Constipation
7. CF

Question 7

The etiology of intussusception is unknown, but what kind of bowel changes occur?

Answer 7

• Invagination of bowel proximal to Ileocecal valve.
• Ileum telescopes into ascending colon, causing edema, vascular compromise, and partial or total obstruction.