Equis ISSN 2398-2977

Gastrointestinal: nasogastric intubation

Synonym(s): Nasoesophageal intubation, Stomach tube

Contributor(s): Steve Adair, Prof Jonathon Naylor, Jarred Williams

Introduction

  • The horse is physiologically unable to vomit or regurgitate gastric contents.
  • Passage of tube permits removal of excess gastric fluids or air, lavage of gastric contents, and administration of medications that would be otherwise difficult to administer.
  • Oral passage is impractical due to potential damage to tube by teeth.

Uses

Advantages

  • Simple technique.
  • Permits rapid administration of known quantity of agent.
  • Repeatable.
  • Usually well-tolerated.

Disadvantages

  • Potential damage to nasal mucosa and turbinates → profuse hemorrhage.
  • Potential misplacement in the trachea → delivery of fluids to lungs → aspiration pneumonia Lung: pneumonia - aspiration.
  • Potential trauma to esophageal or pharyngeal mucosa, especially with repeated passage.

Requirements

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Preparation

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Procedure

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Outcomes

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Prognosis

  • Completely dependent on the reason for nasogastric intubation.

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Hardy J, Stewart R H, Beard W L & Yvorchuk-St-Jean K (1992) Complications of nasogastric intubation in the horse - nine cases (1987-1989). JAVMA 201 (3), 483-486 PubMed.

Other sources of information

  • Dallap Schaer B & Orsini J A (2014) Gastrointestinal System - Nasogastric Tube Placement. In: Equine Emergencies. 4th edn. Eds: Orsini J A & Divers T J. Elsevier Saunders, USA. pp 157-158. ISBN: 978-1-4557-0892-5.
  • Rose R J & Hodgson D R (1993) Alimentary system. In: Manual of Equine Practice. Eds: R J Rose & D R Hodgson. W B Saunders, USA. ISBN 0-7216-3739-6.


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