Key result
Dilated cardiomyopathy was the most frequent cardiac disease (45.1%), with a higher overall occurrence of cardiac diseases in males (73.2%) and Labrador Retrievers (32.9%).
Why the study?
The study aimed to characterize the occurrence and distribution of various cardiac disorders in dogs across breeds, ages, and genders.
Observational (n=82)
No
In this canine cohort, dilated cardiomyopathy and mitral valve disease were the most prevalent cardiac disorders, predominantly affecting middle-aged, male dogs, and specific breeds such as Labrador Retrievers.
May inform sex- and breed-focused cardiac screening in dogs; hypothesis-generating and requires validation in larger cohorts.
The occurrences of various cardiac disorders on prospective study of 82 cases were studied. Dilated Cardiomyopathy was recorded in 37(45.1%) cases followed by Mitral Valve Disease in 26(31.7%), Hypertrophic Cardiomyopathy in 6(7.3%), Patent Ductus Arteriosus in 8(9.8%), Aortic Stenosis in 2(2.4%) and Atrial Septal defect in 2(2.4%) cases. Cardiac disease was found to be highest in Labrador Retriever (27.2%), followed by German Shepherd (15.2%). The occurrence of cardiac disease was 15.9 per cent in pups up to one year followed by 17 per cent in 1 to 3 years old dogs, 23 per cent in 3 to 6 years, 19 per cent in 6 to 9 years and 10 per cent above 9 years of age. With respect to gender, the occurrence of cardiac disease was more in males (68.5 %) than in females (31.5%).
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Rajkumar et al. (2025) conducted an observational in Cardiac diseases (n=82). Demographic characteristics (breed, age, gender) was evaluated on Occurrence of various cardiac disorders. Dilated cardiomyopathy was the most frequent cardiac disease (45.1%), with a higher overall occurrence of cardiac diseases in males (73.2%) and Labrador Retrievers (32.9%).
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