July 25, 2016
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Push Endoscopy (Push Enteroscopy)

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What is endoscopy?

  • Standard upper gastrointestinal endoscopes (120 cm flexible tubes with a light and camera on their tips) are capable of reaching only a foot or so past the stomach into the small intestine.
  • If abnormalities are located within this area, these endoscopes have working channels through which surgical instruments can be passed so that diagnostic and therapeutic procedures such as biopsy and electrocautery can be done.
  • Many abnormalities of the small bowel, however, lie further along the small intestine beyond the reach of the standard upper gastrointestinal endoscopes.
  • Sometimes a colonoscope, similar to the upper gastrointestinal endoscope but 180 cm in length, can be used to reach a little further into the small intestine, but the additional reach of colonoscopes is limited.
  • It is not the length of the endoscope that is the most important problem in reaching further into the small intestine.
  • The problem is that the path of the endoscope through the stomach and duodenum is twisty and the endoscopes curl in the stomach. In addition, the small intestine is not fixed in place, and this makes advancement of the endoscopes even more difficult.

What is push endoscopy?

Push endoscopy (also referred to as push enteroscopy) is a procedure that allows diagnosis and treatment of diseases in the upper small intestine. Push endoscopy reaches further into the small intestine than the standard upper gastrointestinal endoscopy (also known as esophagogastroduodenoscopy, EGD).

Endoscopes for push endoscopy are similar in length to colonoscopes, approximately 200cm and have working channels for diagnostic and therapeutic procedures. After the endoscope is passed into the duodenum, a more rigid overtube is passed over the endoscope to straighten its path. With the overtube in place, the endoscope then can be advanced without coiling in the stomach.

Medically Reviewed by a Doctor on 3/24/2016

Source: MedicineNet.com
http://www.medicinenet.com/push_endoscopy/article.htm

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