ISSN 2398-2950      

Radiography: gastrography

ffelis
Contributor(s):

Barbara J Watrous


Introduction

  • Use of positive, negative or a combination of contrast agents to highlight the gastric lumen.

Uses

  • Identification of the position of the stomach, eg in ascites or if suspect gastric displacement, eg diaphragmatic hernia Diaphragm: hernia.
  • Investigation of vomiting Vomiting or hematemesis.
  • Investigation of melena.
  • Identification of suspected radiolucent foreign bodies Stomach: gastric foreign body.
  • Investigation of abdominal pain or distension.
  • Investigation of inappetence.
  • Assessment of lumen size and gastric axis if stomach not visible on plain films.

Advantages

  • Relatively simple procedure in most patients.
  • Non invasive.

Disadvantages

  • Often difficult to assess subtle mucosal lesions.
  • Not very accurate for assessment of motility disorders.

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Evans S M & Biery D N (1983) Double contrast gastrography in the cat; technique and normal radiographic appearance. Vet Radiol 24 (1), 3-5 VetMedResource.
  • Evans S M (1983) Double versus single contrast gastrography in the dog and cat. Vet Radiol 24 (1), 6-10 VetMedResource.

Other sources of information

  • Brawner R W & Bartels J E (1983) Contrast radiography of the digestive tract. Vet Clin North Am 13, 599-626.
  • Hall J A & Watrous B J (2000) The effect of pharmaceuticals on radiographic appearance of selected examinations of the abdomen and thorax. Vet Clin North Am Small Anim Pract 30 (2), 1-29.

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