Opinion Review
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. Mar 27, 2021; 13(3): 222-230
Published online Mar 27, 2021. doi: 10.4240/wjgs.v13.i3.222
Table 1 Diagnostic procedures for primarily hernia-induced anemia
The specific content
Laboratory parametersHemoglobin, MCV, ferritin, iron, transferrin, transferrin saturation, soluble transferrin receptor, reticulocytes, vitamin B12, folic acid, IgA transglutaminase and total IgA. Iron absorption test. Determination of reticulocytes after iron administrationiFOBT
EndoscopyGastroscopy (push-Enteroscopy if necessary). Colonoscopy (including insight into terminal Ileum). Video capsule endoscopy. (enteroscopy only with abnormal capsule findings)
RadiologyBarium swallow. CT of thoracoabdominal junction with oral contrast medium (if necessary whole abdominal CT with intravenous contrast medium). Magnetic resonance imaging of the intestine only for certain symptoms
Functional investigations24-h pH-metry, urea breath test, High resolution manometry
Optional (only with appropriate symptoms)Bronchoscopy, thoracic CT. Ear, nose, and throat examination up to panendoscopy of the nasal cavity