Related Experiment Video
Updated: Oct 15, 2025
03:45
Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
3.8K
The Feline Cardiomyopathies: 1. General concepts
Mark D Kittleson1, Etienne Côté2
1School of Veterinary Medicine, Department of Medicine and Epidemiology, University of California, Davis, and Veterinary Information Network, 777 West Covell Boulevard, Davis, CA 95616, USA.
Journal of Feline Medicine and Surgery
|October 25, 2021
Summary
Feline cardiomyopathies are common cat heart diseases, often indistinguishable clinically. Early diagnosis and understanding disease progression are crucial for prognosis, even if treatment options are limited.
Area of Science:
- Veterinary Cardiology
- Feline Medicine
- Cardiovascular Diseases
Background:
- Feline cardiomyopathies are the most common heart disease in adult cats.
- Hypertrophic cardiomyopathy (HCM) is the most prevalent form.
- Clinical presentation can range from subclinical to severe heart failure or systemic arterial thromboembolism (ATE).
Purpose of the Study:
- To review the practical relevance, patient groups, diagnostics, key findings, and conclusions regarding feline cardiomyopathies.
- To highlight the importance of understanding pathophysiological mechanisms for diagnosis and management.
- To discuss the limitations of current diagnostic tests and the need for further investigation.
Main Methods:
- Review of existing literature on feline cardiomyopathies.
- Discussion of clinical signs, diagnostic tools (echocardiography, radiography, biomarkers), and treatment approaches.
- Analysis of disease progression from subclinical to clinical phases.
Main Results:
- Feline cardiomyopathies are often clinically indistinguishable, making diagnosis challenging.
- Echocardiography is the definitive diagnostic test, but other methods like point-of-care ultrasound and NT-proBNP testing can be useful.
- Heart failure and ATE are common manifestations of severe disease, with guarded prognoses.
Conclusions:
- Differentiating cardiomyopathy from normal variation is important for prognosis.
- While definitive treatments are often unavailable, understanding disease evolution is critical.
- Further research is needed for cases with nonspecific phenotypes.
More Related Videos
Related Concept Videos
01:25Cardiomyopathy I: Introduction and Classification
123
Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
123
01:29Cardiomyopathy III: Hypertrophic Cardiomyopathy
94
Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
94
01:29Cardiomyopathy V: Interprofessional Care
65
Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
65
01:30Cardiomyopathy II: Dilated Cardiomyopathy
73
Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
73
01:17Pathophysiology of Heart Failure
2.0K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
2.0K
01:29Cardiomyopathy IV: Restrictive Cardiomyopathy
105
Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
105