Phenotypes and echocardiographic characteristics of a European population of domestic shorthair cats with idiopathic hypertrophic cardiomyopathy

Brizard, D.; Amberger, C.; Hartnack, S.; Doherr, M.; Lombard, C. (2009). Phenotypes and echocardiographic characteristics of a European population of domestic shorthair cats with idiopathic hypertrophic cardiomyopathy. Schweizer Archiv für Tierheilkunde, 151(11), pp. 529-38. Bern: Huber 10.1024/0036-7281.151.11.529

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111 Domestic Shorthair cats with idiopathic hypertrophic cardiomyopathy were reviewed retrospectively. Two-dimensional echocardiography was used to classify cases in 6 established phenotypes. Hypertrophy was diffuse in 61 % of cats and involved major portions of the ventricular septum and the left ventricular free wall (phenotype D). In the remaining cats, distribution of hypertrophy was more segmental and was identified on the papillary muscles exclusively (phenotype A, 6 %), on the anterior and basal portion of the ventricular septum (phenotype B, 12 %), on the entire septum (phenotype C, 14 %), or on the left ventricular free wall (phenotype E, 7 %). Echocardiographic characteristics and clinical findings were determined for each phenotype to study the correlation between distribution of hypertrophy and clinical implications. 31 cats demonstrated systolic anterior motion of the mitral valve, 75 % of them belonged to phenotype C of hypertrophy. Left ventricular-outflow turbulences were identified more frequently with patterns of hypertrophy involving the ventricular septum (65.5 %), while prevalence of mitral regurgitation was higher when hypertrophy included the papillary muscles (phenotypes A and E, 85 % and 87 %, respectively). Left atrial dilatation occurred more frequently when hypertrophy was diffuse or confined to the left ventricular free wall (61 % of cats with phenotype D or E) rather than to the ventricular septum (31 % of cats with phenotype B or C).

Item Type:	Journal Article (Original Article)
Division/Institute:	05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > DVK - Clinical Research [discontinued] 05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Small Animal Clinic 05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH) > Experimental Clinical Research
UniBE Contributor:	Doherr, Marcus, Lombard, Christophe Werner
ISSN:	0036-7281
Publisher:	Huber
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 15:25
Last Modified:	05 Dec 2022 14:26
Publisher DOI:	10.1024/0036-7281.151.11.529
Web of Science ID:	000271844200003
URI:	https://boris.unibe.ch/id/eprint/38239 (FactScience: 220757)