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Intussusception

 

Definition

Intussusception is a serious type of bowel obstruction. The intestine is shaped like a long tube. Intussusception occurs when one part of the intestine slides up into another part of the intestine (like a telescope). This part of the intestine becomes trapped and starts to swell. The swelling can block the flow of food. If severe, swelling can also cut off the blood supply to the area.

Intussusception

Nucleus factsheet image

Copyright © Nucleus Medical Media, Inc.

 

Causes    TOP

In many cases, there is no known cause for intussusception. However, intussusception may sometimes occur as a complication of some medical conditions, including:

 

Risk Factors    TOP

Intussusception is more common in children 3 months to 6 years old, but the majority are younger than 24 months. It is also more common in males.

Factors that increase the risk of intussusception include:

  • Season: more common during respiratory and gastrointestinal virus seasons
  • Medical conditions in the list above
 

Symptoms    TOP

The initial symptoms may include:

  • Abdominal pain:
    • Usually severe
    • Colicky or cramping
    • Usually comes on suddenly
    • In children, this may be indicated by drawing knees to chest and crying
  • Vomiting—sometimes yellow or green tinged
  • Stools mixed with mucus and blood—often described as currant jelly
  • Lethargy

Additional symptoms include:

Intussusception cuts off the blood supply to the bowel. If this is not treated quickly, it can lead to bowel gangrene. Gangrene can cause tissue in the intestinal wall to die. This may lead to:

  • Perforation of the intestinal wall
  • Inflammation of the lining of the abdominal cavity and infection— peritonitis

If not treated quickly, peritonitis can lead to death.

 

Diagnosis    TOP

You will be asked about your symptoms and medical history. A physical exam will be done.

Bodily fluids may be tested. This can be done with:

  • Blood tests
  • Urine tests

Images may be taken of your bodily structures. This can be done with:

 

Treatment    TOP

Air Enema

In many cases, giving an air enema will correct intussusception. Air enema is preferred over water-soluble contrast or barium enema. This is often the preferred treatment when intussusception occurs in infancy. However, the test may cause a perforation to occur in the bowel. An enema should not be done if the bowel is perforated.

Surgery

Surgery may be required to release the trapped portion of the bowel and to clear the obstruction. If any bowel tissue has died due to gangrene, that part of the bowel may need to be removed.

 

Prevention    TOP

There are no guidelines for preventing intussusception because the cause is unknown. Talk to your doctor about avoiding vaccines that may cause a recurrence.

RESOURCES:

Centers for Disease Control and Prevention
http://www.cdc.gov

Family Doctor—American Academy of Family Physicians
http://www.familydoctor.org

CANADIAN RESOURCES

About Kids Health—The Hospital for Sick Children
http://www.aboutkidshealth.ca

Health Canada
https://www.canada.ca

REFERENCES:

Abdominal pain in infants. Healthy Children—American Academy of Pediatrics website. Available at:
...(Click grey area to select URL)
Updated November 21, 2015. Accessed September 21, 2017.

Intussusception. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T116762/Intussusception . Updated April 4, 2016. Accessed September 21, 2017.

Intussusception. Family Doctor—American Academy of Family Physicians website. Available at:
...(Click grey area to select URL)
Updated March 2014. Accessed September 21, 2017.

Questions and answers about intussusception. Centers for Disease Control and Prevention website. Available at: https://www.cdc.gov/vaccines/vpd/rotavirus/about-intussusception.html. Updated January 27, 2017. Accessed September 21, 2017.



Last reviewed September 2018 by EBSCO Medical Review Board Kari Kassir, MD
Last Updated: 9/30/2013

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