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Cor triatriatum sinister in a cat
1Animal Medical Center, Nihon University, Fujisawa, Kanagawa, Japan.
Insights
Cor triatriatum sinister, a rare heart defect in cats, was diagnosed in a Persian chinchilla. This condition involves a partitioned left atrium, leading to severe cardiac complications and ultimately, fatality.
Area of Science:
- Veterinary Cardiology
- Feline Pathology
- Congenital Heart Disease
Background:
- Heart murmurs are common findings in veterinary practice.
- Congenital heart anomalies can present with varied clinical signs.
- Persian chinchilla cats are a breed with potential predispositions to certain health issues.
Purpose of the Study:
- To report a case of cor triatriatum sinister in a young Persian chinchilla cat.
- To describe the diagnostic findings and clinical progression of this rare cardiac anomaly.
- To contribute to the understanding of feline congenital heart disease.
Main Methods:
- Clinical examination including auscultation for heart murmur detection.
- Radiographic imaging to assess cardiac size and pulmonary vasculature.
- Echocardiography to evaluate cardiac structure and blood flow dynamics.
- Postmortem examination for definitive pathological diagnosis.
Main Results:
- A five-month-old Persian chinchilla presented with a heart murmur.
- Radiographs showed cardiomegaly, pulmonary artery/vein dilation, and pulmonary edema.
- Echocardiography revealed left atrial partitioning and turbulent blood flow.
- Necropsy confirmed cor triatriatum sinister with a fibromuscular septum and a small perforation.
Conclusions:
- Cor triatriatum sinister is a critical congenital heart defect in cats.
- Early diagnosis and understanding of its pathophysiology are crucial.
- This case highlights the importance of advanced diagnostics in identifying complex cardiac anomalies in felines.
Abstract:
A heart murmur was detected in a five-month-old Persian chinchilla cat. The animal was referred to Nihon University Animal Medical Center where radiographic examination revealed an enlarged heart with dilation of pulmonary arteries and veins and pulmonary oedema. Echocardiography revealed partition of the left atrium, with turbulent blood flow within the left atrium. The patient was placed under continuous care at the facility, but died at seven months of age. Postmortem examination revealed that the left atrium was partitioned by a fibromuscular septum, with a 1 mm diameter perforation, consistent with a diagnosis of cor triatriatum sinister.