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Complications

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The key complications of colonoscopy are:

  • perforation:
    • large necessitate laparotomy
    • small may be treated conservatively
  • haemorrhage in 0.72 to 2.5%
  • transmural burn during polypectomy

The total complication rate is 0.14% for diagnostic colonoscopy and 2% for therapeutic colonoscopy.

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