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Mitral stenosis with bacterial myocarditis in a cat
Aya Matsuu1, Teppei Kanda, Akihiko Sugiyama
1Department of Veterinary Internal Medicine, Faculty of Agriculture, Tottori University, Koyama-Minami 4-101, Tottori 680-8553, Japan. matsuu@muses.tottori-u.ac.jp
The Journal of Veterinary Medical Science
|December 7, 2007
Summary
This case report details a cat with acquired mitral stenosis, a rare condition often linked to congenital heart defects. The cat experienced respiratory failure due to secondary myocarditis, highlighting the severity of these cardiac issues.
Area of Science:
- Veterinary Cardiology
- Pathology
- Infectious Diseases
Background:
- Congenital heart malformations can predispose animals to acquired conditions.
- Mitral stenosis, particularly in cats, is uncommon and challenging to diagnose.
- Infectious myocarditis can complicate existing cardiac pathologies.
Observation:
- An 11-year-old cat presented with acute paresis and dyspnea.
- Echocardiography revealed hydropericardium and thickened mitral valve leaflets with incomplete separation.
- Standard treatments failed to resolve the respiratory distress.
Findings:
- Post-mortem examination diagnosed acquired mitral stenosis with congenital malformation of the mitral valve complex.
- Secondary infectious myocarditis caused by Streptococcus canis was identified.
- This combination represents an unusual and severe presentation.
Implications:
- This case underscores the importance of thorough cardiac evaluation in cats presenting with respiratory compromise.
- Understanding the interplay between congenital defects and acquired conditions is crucial for veterinary diagnostics.
- Prompt identification and treatment of secondary infections are vital in managing complex cardiac cases.
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