Tricuspid Dysplasia in Dogs

Pasławska, Urszula; Noszczyk-Nowak, Agnieszka; Janiszewski, Adrian; Nicpoń, Józef

Tricuspid Dysplasia in Dogs

2013

Pasławska, Urszula | Noszczyk-Nowak, Agnieszka | Janiszewski, Adrian | Nicpoń, Józef

The aim of the study was to estimate prevalence of tricuspid dysplasia (TD) in dogs with respect to breed, age, sex, clinical signs, and echocardiographic findings and to compare this data with literature. TD was found in 15 dogs (6.5% of congenital cardiac disease) of 215 dogs with congenital heart defects. All dogs had right heart enlargement on thoracic radiographs, echocardiography, and electrocardiography. Doppler echocardiography revealed tricuspid valve regurgitation. Seven dogs presented no clinical symptoms to date. TD took the form of Ebstein anomaly in all Labrador Retrievers, one Boxer, and one German Shepherd dog. TD predominated in males (11 males vs. three females). The body weight of the affected dogs, with the exception of the Miniature Schnauzer, exceeded 20 kg. Two dogs (Boxer and Bull Terrier) had additional congenital cardiac lesions in the form of mitral valve dysplasia. The most affected breeds in the study were the Labrador Retriever and Boxer.

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