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Echocardiographic indices in normal German shepherd dogs
Ruthnea Aparecida Lázaro Muzzi1, Leonardo Augusto Lopes Muzzi, Roberto Baracat de Araújo
1Department of Veterinary Medicine, Federal University of Lavras, Postal Code 3037, Zip-code 37200-000, Lavras, Minas Gerais state, Brazil. ralmuzzi@ufla.br
Journal of Veterinary Science
|April 29, 2006
Summary
This study establishes normal echocardiographic values for German shepherd dogs, revealing significant correlations between body weight and certain cardiac dimensions. These findings are crucial for breed-specific small animal cardiology research.
Area of Science:
- Veterinary Cardiology
- Diagnostic Imaging
- Canine Health
Background:
- Echocardiography is vital for assessing cardiac function in dogs.
- Breed-specific reference ranges are essential for accurate diagnosis.
- German shepherds may have unique cardiovascular characteristics.
Purpose of the Study:
- To determine normal echocardiographic parameters in clinically healthy German shepherd dogs.
- To investigate correlations between body weight and echocardiographic measurements.
- To provide a reference dataset for small animal cardiology.
Main Methods:
- Two-dimensional, M-mode, and Doppler echocardiography were performed on 60 German shepherds.
- Measurements included valve flows, cardiac output, and various cardiac dimensions.
- Statistical analysis identified correlations with body weight.
Main Results:
- Significant correlations were found between body weight and systolic left atrial/diastolic aortic diameter (2D mode).
- Body weight correlated significantly with left atrial, aortic, left ventricular dimensions, and wall thickness (M-mode).
- No significant correlation was observed between body weight and mitral, tricuspid, pulmonary, or aortic valve flows (Doppler).
Conclusions:
- Normal echocardiographic values specific to German shepherds are established.
- Body weight influences several cardiac dimensions in this breed.
- The data serves as a valuable reference for veterinary cardiology studies.