As cat owners, we want our feline companions to stay with us for as long as possible. However, there is a silent condition that concerns vets and owners alike. You may have wondered what hypertrophic cardiomyopathy in cats is and why it is so frequently discussed regarding certain breeds.
In this article, we break down everything you need to know about hypertrophic cardiomyopathy in cats, from its genetic causes to how early detection with the Koko Genetics cat DNA test can change your pet’s future.
What is hypertrophic cardiomyopathy in cats?
To understand this condition, we must first look at what causes hypertrophic cardiomyopathy in cats. HCM is a disease in which the heart muscle (the myocardium) becomes abnormally thick or hypertrophied. This thickening makes it difficult for the heart to pump blood effectively.
If you are wondering how common hypertrophic cardiomyopathy is in cats, the answer is striking: it is the most common heart disease in the global feline population.
Symptoms and risks: The importance of vigilance
One of the greatest dangers is that the symptoms of feline hypertrophic cardiomyopathy are often invisible until the disease is advanced. Some signs include:
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Lethargy or lack of activity.
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Rapid or laboured breathing.
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Fainting.
Genetics: The root of the problem
When looking for the causes of hypertrophic cardiomyopathy in cats, genetics plays the leading role. It is a hereditary disease, meaning it is passed from parents to offspring through mutations in specific genes, such as MYBPC3.
Breeds with a higher predisposition to HCM
Although it affects mixed-breed cats, the incidence of hypertrophic cardiomyopathy in Maine Coons and Ragdolls is significantly higher due to breed-specific mutations. The occurrence of hypertrophic cardiomyopathy in Sphynx cats is also a recurring concern, requiring constant monitoring.
In the case of the Maine Coon, the mutation in the MYBPC3 gene is the most widely studied, and it is precisely what we accurately detect in our health reports.
Early detection: The Koko Genetics Advanced Test
Our genetic test for cats analyses the most frequent mutations to offer you peace of mind. Upon receiving your results, you will see two key indicators:
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Variant present: Indicates that the animal possesses one or two copies of the genetic mutation, which drastically increases the risk of developing the disease.
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Variant absent: Indicates that no copies of the analysed mutations were detected, decreasing the hereditary probability (although regular ultrasounds are always recommended).
Knowing this in time allows you to collaborate with your vet to manage your cat's lifestyle and monitoring before symptoms appear.
How to prevent hypertrophic cardiomyopathy in cats?
While you cannot change DNA, knowing how to prevent hypertrophic cardiomyopathy in cats (or rather, its complications) is based on three pillars:
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Genetic testing: Identifying the risk before the cat reaches adulthood or is used for breeding.
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Annual heart scans (ultrasounds): Especially for high-risk breeds.
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Diet and weight control: To avoid overstretching the cardiovascular system.
Ultimately, your cat’s health starts with their genes. Knowing their predisposition is the greatest act of love you can offer.
Do you want to know what your cat's DNA says? Explore our Advanced DNA test for cats and start looking after their heart today.
