Re: [FH] Just joining group - re young cat with HCM
- --- guydabord <guydabord@...> wrote:
> Last month my cat Boris was diagnosed with HCM. He'sWhile there is certainly no concensus on treating
> had bloodtests (all normal), X-rays
> and an ultrasound. He's not on any medication as yet
> - I'm waiting for final word from my
> vet, who consulted with the radiologist.
> Boris is about 14 months old - he's a British Blue
> Shorthair. I'm trying to figure out
> what to expect, and to find out what I can
> do to help him out.
asymptomatic cats, certain breeds such as Maine Coon
are considered a high risk genotype and preeminent
veterinary cardiologists such as Phil Fox do suggest
treating. The British Shorthair, along with the
American Shorthair are a breed sometimes mentioned as
being at risk for HCM.
There are many cats on this list who are asymptomatic
that are being treated. The majority ar on a
beta-blocker called atenolol, which slows their heart
rate and reduces their hearts need for oxygen. Some
cats have been on atenolol for 5-6 years.
My cat is on atenolol because my vet believes in
treating asymptomatics based on his clinical
experience. I do believe that I have seen improvement
in exercise tolerance. Followup echos are also
improved on atenolol.
Management of Feline Cardiomyopathies
"Malignant" Familial History (High Risk genotype).
Pedigrees are occasionally identified with a
documented heritable pattern of HCM with severe
morbidity and mortality (e.g., Maine coon cats,
others). Early intervention with calcium channel
blockers or beta-adrenergic blockers may be
contemplated based on experimental considerations
which hold that a pathway to the phenotypic expression
of LV hypertrophy is influenced by triggers such as
higher LV pressure and work load.
Rudy: Male DSH brown tabby, feral mom, diagnosed 09-2002 at 19 months of age with idiopathic HCM: grade 2 murmur, hyperkinetic heart, borderline normal thickening, considered asymptomatic, 12.5 mg Atenolol 1x day, 1/2 baby aspirin 2x week administered via pilling
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