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Guttural pouch tympany: 15 cases (1977-1986)
P M McCue1, D E Freeman, W J Donawick
1Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, Kennett Square 19348.
Journal of the American Veterinary Medical Association
|June 15, 1989
Summary
Guttural pouch tympany in horses can cause swelling and respiratory issues. Surgical treatment involving septum fenestration, with or without eustachian tube mucosal flap resection, offers a good prognosis for affected horses.
Area of Science:
- Veterinary Medicine
- Equine Surgery
- Respiratory Diseases
Background:
- Guttural pouch tympany (GPT) is a condition affecting horses, characterized by the distension of the guttural pouch with air.
- GPT can lead to secondary complications such as dysphagia and pneumonia, impacting the horse's overall health and performance.
Purpose of the Study:
- To review the medical records of horses diagnosed with guttural pouch tympany.
- To evaluate the efficacy of surgical treatments, including median septum fenestration and combined procedures, for GPT.
- To assess the recurrence rates and long-term outcomes in treated horses.
Main Methods:
- Retrospective review of medical records from 15 horses diagnosed with GPT between 1977 and 1986.
- Inclusion of physical, microbiologic, radiographic, and endoscopic examination findings.
- Analysis of treatment protocols, complications, and recovery rates, with follow-up information obtained for 13 horses.
Main Results:
- All affected horses presented with swelling in the parotid gland region; common clinical signs included abnormal respiratory noise (9/15) and pneumonia (5/15).
- Recurrence rates were 33% (2/6) after median septum fenestration alone and 29% (2/7) after combined fenestration and mucosal flap resection.
- Eight horses over 2 years old at follow-up were healthy, with 4 successfully returning to racing.
Conclusions:
- Surgical intervention for guttural pouch tympany, particularly combined median septum fenestration and mucosal flap resection, demonstrates a favorable outcome for most horses.
- While recurrence is possible, long-term health and athletic potential can be achieved post-treatment.
- Prompt diagnosis and appropriate surgical management are crucial for managing GPT and its associated complications in horses.