When should upper endoscopy be performed in the evaluation of lower gastrointestinal (GI) bleeding (LGIB)?

Updated: Jul 26, 2019
  • Author: Burt Cagir, MD, FACS; Chief Editor: BS Anand, MD  more...
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In a randomized controlled trial comparing urgent versus elective colonoscopy performed for patients with serious LGIB, investigators recommended that upper endoscopy should be performed initially to rule out an upper GI source. [45] This study also showed that the use of urgent colonoscopy does not improve the clinical outcome or cost of care when compared with elective colonoscopy in patients with serious hematochezia. [45]

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