canis - Articles
Esophagoscopy
Introduction
Uses
- Examination of the esophageal mucosal surface.
- Collection of mucosal biopsy samples from the esophagus.
- Detection
and retrieval of foreign bodies Esophagus: foreign body from the esophagus. - Esophageal stricture dilatation Esophagus: stricture.
- Detection/biopsy of esophageal masses.
- Definitive diagnosis of esophagitis.
- Investigation of:
- Retching.
- Regurgitation Regurgitation.
- Hypersalivation.
Advantages
- Non-invasive technique requiring no surgical intervention.
- Well tolerated by sick dogs which would be unsuitable for esophagostomy.
- Requires only light general anesthesia - rapid recovery.
- Good visualization of the esophageal mucosa.
- Follow up examination well tolerated and useful for assessing response to treatment.
Disadvantages
- Will not detect pathology lying under the mucosa.
- Cannot carry out surgical correction compared with thoracotomy but can remove esophageal foreign bodies.
- Expensive equipment.
Technical problems
- Technical difficulty in procedures.
Alternative techniques
- Radiography Radiography: thorax , fluoroscopy and contrast studies (barium series) fluoroscopy of the esophagus.
- Exploratory thoracotomy and esophagostomy Esophagostomy.
Time required
Preparation
- Induction of anesthesia and/or sedation → 10-30 min.
Procedure
- Depends on the experience of the endoscopist → esophagoscopy approximately 10 min.
Decision taking
Risk assessment
- Low risk.
- See complications.
Requirements
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Preparation
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Technique
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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.
Other sources of information
- Simpson J W (1996)Gastrointestinal Endoscopy.In:Manual of Canine and Feline Gastroenterology.Eds D Thomas, J W Simpson & E J Hall. BSAVA, Cheltenham. pp 20.
- Tams T R (1998)Small Animal Endoscopy.2nd edn. St Louis: C V Mosby.