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Defaecation syncope and pulmonary thromboembolism in a cat
1Department of Medical Sciences, Veterinary Medical Teaching Hospital, University of Wisconsin-Madison 53706, USA.
Australian Veterinary Journal
|August 9, 2001
Summary
A cat with cancer experienced sudden death due to pulmonary thromboembolism, a blood clot in the lungs, linked to straining during defecation. This case highlights risks for cats with thrombotic disease.
Area of Science:
- Veterinary Medicine
- Cardiovascular Pathology
- Oncology
Background:
- Gastrointestinal and hematologic abnormalities in a 7-year-old domestic shorthair cat indicated a critical health decline.
- Despite intensive supportive care, including fluid therapy, blood transfusion, and nutritional support, the cat's condition worsened.
Observation:
- The cat exhibited cardiorespiratory distress and died suddenly while straining to defecate.
- Necropsy revealed diffuse thrombosis, pulmonary thromboembolism, metastatic pancreatic carcinoma, and cardiomyopathy.
Findings:
- This is the first reported case of feline pulmonary thromboembolism (PTE) associated with defecation syncope.
- The cat had metastatic pancreatic carcinoma and underlying cardiomyopathy, contributing to its thrombotic tendency.
Implications:
- Defecation, involving the Valsalva maneuver, can potentially dislodge clots in predisposed individuals.
- Understanding predisposing factors for thrombotic disease is crucial for managing complex cases in veterinary medicine.
- This case underscores the importance of considering thromboembolic events in cats with concurrent cancer and straining behaviors.