Familial subvalvular aortic stenosis in golden retrievers: Inheritance and echocardiographic findings

Joshua A Stern, K. M. Meurs, O. L. Nelson, S. M. Lahmers, L. B. Lehmkuhl

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Objectives: To describe the echocardiographic findings and pedigree analysis of golden retrievers with subvalvular aortic stenosis. Methods: Seventy-three golden retrievers were evaluated by auscultation and echocardiography. A subcostal continuous-wave Doppler aortic velocity ê2·5 m/s and presence of a left basilar systolic ejection murmur were required for diagnosis of subvalvular aortic stenosis. Three echocardiographic characteristics were recorded: evidence of aortic insufficiency, subvalvular ridge or left ventricular hypertrophy. A disease status score was calculated by totalling the number of echocardiographic -characteristics per subject. Results: Thirty-two of 73 dogs were affected and their aortic velocities were as follows: range 2·5 to 6·8 m/s, median 3·4 m/s and standard deviation 1·2 m/s. Echocardiographic characteristics of 32 affected dogs were distributed as follows: left ventricular hypertrophy 12 of 32, aortic insufficiency 20 of 32 and subvalvular ridge 20 of 32. Disease status score ranged from 0 to 3 with a median of 2. There was a statistically significant correlation between aortic velocity and disease status score (r=0·644, P<0·0001). Subvalvular aortic stenosis was observed in multiple generations of several families and appears familial. Clinical Significance: Subvalvular aortic stenosis in the golden retriever is familial. Severity of stenosis correlates well with cumulative presence of echocardiographic characteristics (left ventricular hypertrophy, subvalvular ridge and aortic insufficiency).

Original languageEnglish (US)
Pages (from-to)213-216
Number of pages4
JournalJournal of Small Animal Practice
Volume53
Issue number4
DOIs
StatePublished - Apr 2012
Externally publishedYes

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Subvalvular Aortic Stenosis
Golden Retriever
hypertrophy
inheritance (genetics)
Left Ventricular Hypertrophy
Systolic Murmurs
dogs
echocardiography
Dogs
Auscultation
pedigree
Aortic Diseases
Pedigree
Echocardiography
Pathologic Constriction
methodology

ASJC Scopus subject areas

  • Small Animals

Cite this

Familial subvalvular aortic stenosis in golden retrievers : Inheritance and echocardiographic findings. / Stern, Joshua A; Meurs, K. M.; Nelson, O. L.; Lahmers, S. M.; Lehmkuhl, L. B.

In: Journal of Small Animal Practice, Vol. 53, No. 4, 04.2012, p. 213-216.

Research output: Contribution to journalArticle

Stern, Joshua A ; Meurs, K. M. ; Nelson, O. L. ; Lahmers, S. M. ; Lehmkuhl, L. B. / Familial subvalvular aortic stenosis in golden retrievers : Inheritance and echocardiographic findings. In: Journal of Small Animal Practice. 2012 ; Vol. 53, No. 4. pp. 213-216.
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