Related Experiment Video
Updated: May 1, 2026
Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model
Published on: November 29, 2024
A randomized study assessing the effect of diet in cats with hypertrophic cardiomyopathy
L M Freeman1, J E Rush, S M Cunningham
1Department of Clinical Sciences, Tufts Cummings School of Veterinary Medicine, North Grafton, MA.
Insights
Dietary changes may impact hypertrophic cardiomyopathy (HCM) in cats. Specific diets altered biochemical markers and cardiac measurements, suggesting a role for nutrition in managing feline HCM.
Area of Science:
- Veterinary Cardiology
- Animal Nutrition
- Biochemistry
Background:
- Dietary interventions are explored for their potential to influence the progression of hypertrophic cardiomyopathy (HCM).
- Hypertrophic cardiomyopathy is a significant cardiac condition in feline patients.
Purpose of the Study:
- To investigate the effects of different diet compositions on clinical, biochemical, and echocardiographic parameters in cats diagnosed with HCM.
- To determine if specific nutritional strategies can alter disease markers in feline hypertrophic cardiomyopathy.
Main Methods:
- A randomized, placebo-controlled trial involving 29 cats with International Small Animal Cardiac Health Council stage 1b HCM.
- Cats were assigned to one of three diets varying in macronutrient content and ingredients, with measurements repeated after a six-month period.
Main Results:
- No significant changes were observed in primary echocardiographic endpoints (left ventricular free wall and interventricular septal thickness) across all groups.
- One diet group showed increases in blood urea nitrogen (BUN) and cholesterol, while another exhibited increased BUN, cholesterol, triglycerides, and decreased NT-proBNP and hs-troponin I.
- A third diet group demonstrated decreased body weight, left atrial dimension, interventricular septal thickness in systole, and liver enzymes.
Conclusions:
- The study suggests that diet composition may influence certain clinical, biochemical, and echocardiographic variables in cats suffering from HCM.
- Nutritional management could play a role in modulating specific health markers in feline hypertrophic cardiomyopathy, although primary cardiac structural changes were not significantly altered.
Background:
Diet might influence progression of hypertrophic cardiomyopathy (HCM).
Objective:
To investigate whether diet composition could alter clinical, biochemical, or echocardiographic variables in cats with HCM.
Animals:
Twenty-nine cats with HCM (International Small Animal Cardiac Health Council stage 1b) examined at a university teaching hospital.
Methods:
Randomized, placebo-controlled trial. After physical examination, echocardiogram, and blood collection, cats were randomized to 1 of 3 diets, which varied in carbohydrate and fat content and ingredients. Measurements were repeated after 6 months.
Results:
There were no significant differences among the 3 groups at baseline. After 6 months, there were no significant changes in the primary endpoints, left ventricular free wall (Group A, P = .760; Group B, P = .475; Group C, P = .066) or interventricular septal thickness in diastole (Group A, P = .528; Group B, P = .221; Group C, P = .097). Group A had significant increases in BUN (P = .008) and cholesterol (P = .021), while Group B had significant increases in BUN (P = .008), cholesterol (P = .007), and triglycerides (P = .005), and significant decreases in NT-proBNP (P = .013) and hs-troponin I (P = .043). Group C had significant decreases in body weight (P = .021), left atrial dimension (P = .035), interventricular septal thickness in systole (P = .038), and liver enzymes (P = .034-.038).
Conclusions And Clinical Importance:
These data suggest that diet might influence some clinical, biochemical, and echocardiographic variables in cats with HCM.
Related Concept Videos
01:29Cardiomyopathy V: Interprofessional Care
01:29Cardiomyopathy III: Hypertrophic Cardiomyopathy
01:30Cardiomyopathy II: Dilated Cardiomyopathy