Peer-reviewed veterinary case report
Body size and metabolism in Maine Coon cats with heart disease
By Freeman, Lisa M et al.·Published in Journal of feline medicine and surgery·2013·Department of Clinical Sciences, United States·View original on PubMed →
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Original publication title: Body size and metabolic differences in Maine Coon cats with and without hypertrophic cardiomyopathy.
- Species:
- cat
Plain-English summary
A group of Maine Coon cats over 2 years old was studied to understand the relationship between body size and hypertrophic cardiomyopathy (HCM), a heart condition. The researchers found that cats with HCM were older, heavier, and more likely to be obese compared to those without the condition. They also had higher blood sugar levels and specific growth factors. This suggests that factors like early growth and nutrition could influence the development of HCM in these cats. More research is needed to explore how diet might affect this heart condition.
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Abstract
An interplay between growth, glucose regulation and hypertrophic cardiomyopathy (HCM) may exist, but has not been studied in detail. The purpose of this study was to characterize morphometric features, insulin-like growth factor-1 (IGF-1) and glucose metabolism in Maine Coon cats with HCM. Body weight, body condition score (BCS), head length and width, and abdominal circumference were measured in Maine Coon cats >2 years of age. Echocardiography and thoracic radiography (for measurement of humerus length, and fourth and twelfth vertebrae length) were also performed. Blood was collected for biochemistry profile, DNA testing, insulin and IGF-1. Sixteen of 63 cats had HCM [myosin binding protein C (MYBPC)+, n = 3 and MYBPC-, n = 13] and 47/63 were echocardiographically normal (MYBPC+, n = 17 and MYBPC-, n = 30). There were no significant differences in any measured parameter between MYBPC+ and MYBPC- cats. Cats with HCM were significantly older (P <0.001), heavier (P = 0.006), more obese (P = 0.008), and had longer humeri (P = 0.02) compared with the HCM- group. Cats with HCM also had higher serum glucose (P = 0.01), homeostasis model assessment (HOMA) and IGF-1 (P = 0.01) concentrations, were from smaller litters (P = 0.04), and were larger at 6 months (P = 0.02) and at 1 year of age (P = 0.03). Multivariate analysis revealed that age (P <0.001), BCS (P = 0.03) and HOMA (P = 0.047) remained significantly associated with HCM. These results support the hypothesis that early growth and nutrition, larger body size and obesity may be environmental modifiers of genetic predisposition to HCM. Further studies are warranted to evaluate the effects of early nutrition on the phenotypic expression of HCM.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23001953/