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Diaphragmatic hernia in a llama

L L Black-Schultz1, P D Hanson, D G Wilson

  • 1Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison.

Journal of the American Veterinary Medical Association
|February 1, 1993
PubMed
Summary

A llama experienced colic due to a diaphragmatic hernia trapping its colon. Surgical repair was attempted, but the hernia recurred, suggesting a congenital defect that warrants prompt surgical intervention.

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Area of Science:

  • Veterinary Surgery
  • Llama Medicine
  • Comparative Pathology

Background:

  • Diaphragmatic hernias are uncommon in llamas and can cause significant gastrointestinal compromise.
  • Surgical intervention is often necessary for acute presentations of diaphragmatic hernias.

Observation:

  • A 7-year-old llama presented with mild colic, diagnosed intraoperatively with a diaphragmatic hernia.
  • The hernia entrapped the proximal ascending colon, necessitating resection of devitalized bowel segments including the ileum, cecum, and 45 cm of the ascending colon.

Findings:

  • Initial ventral celiotomy allowed hernia reduction and bowel resection but not diaphragm repair.
  • The llama experienced hernia recurrence nine months post-surgery.
  • Necropsy revealed a congenital defect in the dorsal left hemidiaphragm, indicating the likely origin of the hernia.

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Implications:

  • This case highlights the potential for congenital diaphragmatic defects in llamas.
  • Prompt and definitive surgical repair of diaphragmatic hernias in llamas is crucial for long-term outcomes.
  • Further investigation into the etiology and surgical management of congenital diaphragmatic hernias in camelids is warranted.