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Related Experiment Videos

Esophageal phytobezoar in a horse.

M H MacDonald1, D W Richardson, C C Morse

  • 1Department of Clinical Studies, University of Pennsylvania, School of Veterinary Medicine, New Bolton Center 19348.

Journal of the American Veterinary Medical Association
|December 1, 1987
PubMed
Summary

A horse experienced acute esophageal obstruction due to a phytobezoar. This impacted feed material formed in a diverticulum, causing a blockage and esophageal necrosis.

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Area of Science:

  • Veterinary Medicine
  • Equine Internal Medicine
  • Gastroenterology

Background:

  • Esophageal obstruction is a critical condition in horses, often caused by impaction of ingesta.
  • Thoroughbred stallions are valuable animals, and esophageal issues can significantly impact their health and performance.

Observation:

  • A 23-year-old Thoroughbred stallion presented with acute esophageal obstruction.
  • Clinical and radiographic findings confirmed a complete blockage of the esophagus.
  • Necrosis of the esophageal mucosa was noted secondary to the obstruction.

Findings:

  • A large phytobezoar (impacted feed material) was identified as the cause of obstruction.
  • The phytobezoar was located 6 cm caudal to the thoracic inlet.
  • A pulsion diverticulum in the caudocervical esophagus was identified as the likely site of phytobezoar formation.

Implications:

  • Esophageal diverticula can predispose horses to phytobezoar formation and subsequent obstruction.
  • Prompt diagnosis and intervention are crucial for managing esophageal obstructions in horses.
  • Understanding the pathogenesis of phytobezoars in diverticula is important for preventing recurrence.

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