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. 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.
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In many cases, there is no known cause for intussusception. However, intussusception may sometimes occur as a complication of some medical conditions, including:
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:
The initial symptoms may include:
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:
If not treated quickly, peritonitis can lead to death.
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:
Images may be taken of your bodily structures. This can be done with:
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 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.
Family Doctor—American Academy of Family Physicians
Centers for Disease Control and Prevention
About Kids Health—The Hospital for Sick Children
Abdominal pain in infants. American Academy of Pediatrics Healthy Children website. Available at: http://www.healthychildren.org/English/health-issues/conditions/abdominal/Pages/Abdominal-Pains-in-Infants.aspx. Updated March 28, 2014. Accessed August 12, 2014.
Intussusception. Family Doctor—American Academy of Family Physicians website. Available at: http://familydoctor.org/familydoctor/en/diseases-conditions/intussusception.html. Updated August 20, 2015. Accessed September 15, 2015.
Intussusception. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated September 1, 2014. Accessed September 15, 2015.
Questions and answers about intussusception. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/vaccines/vpd-vac/rotavirus/intussusception-FAQs.htm. Updated April 8, 2014. Accessed September 15, 2015.
Last reviewed September 2015 by Kari Kassir, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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