Bariatric Surgery Workup

Updated: May 28, 2019
  • Author: Alan A Saber, MD, MS, FACS, FASMBS; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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Workup

Laboratory Studies

Preoperative laboratory evaluation should include the following:

  • Complete blood count (CBC)
  • Complete chemistry panel
  • Liver function tests
  • Thyroid function tests
  • Lipid profile
  • Coagulation tests
  • Serum iron and total iron binding capacity (TIBC)
  • Vitamin B12
  • Folic acid
  • Blood typing
  • Urinalysis
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Imaging Studies

Imaging studies to be considered in the setting of bariatric surgery include the following:

  • Chest radiography
  • Ultrasonography of the gallbladder
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Diagnostic Procedures

Upper gastrointestinal (GI) endoscopy is performed to rule out intrinsic upper GI disease because after gastric bypass surgery, the ability to nonsurgically visualize the distal stomach and the duodenum could be a challenge.

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