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RESTRICTIVE CARDIOMYOPATHY AND SECONDARY CONGESTIVE HEART FAILURE IN A MCDOWELL'S CARPET PYTHON (MORELIA SPILOTA

Lionel Schilliger, Valérie Chetboul, Cécile Damoiseaux

    Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians
    |January 13, 2017
    PubMed

    Insights

    Restrictive cardiomyopathy and congestive heart failure were diagnosed in a python using echocardiography. This rare cardiac condition in reptiles was linked to sinus venosus thrombosis.

    Area of Science:

    • Veterinary Cardiology
    • Reptile Medicine
    • Cardiovascular Pathology

    Background:

    • Echocardiography is a key noninvasive diagnostic method in herpetologic cardiology.
    • While various cardiac lesions are known in reptiles, restrictive cardiomyopathy has not been previously documented.

    Observation:

    • A 2-year-old McDowell's carpet python presented with lethargy.
    • Diagnostic evaluations included echocardiography, Doppler studies, and histopathology.

    Findings:

    • The python was diagnosed with restrictive cardiomyopathy and congestive heart failure.
    • Associated findings included left atrial and sinus venosus dilation.
    • Thrombosis within the sinus venosus was also identified as a complication.

    Implications:

    • This case expands the understanding of cardiac diseases in reptiles.
    • It highlights the utility of echocardiography in diagnosing complex cardiac conditions in snakes.
    • The findings suggest restrictive cardiomyopathy is a potential cause of heart failure in captive reptiles.

    Keywords:
    Doppler examinationMcDowell's carpet pythonMorelia spilota mcdowellireptilerestrictive cardiomyopathyvalvular insufficiency

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