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Cardiomyopathy I: Introduction and Classification

Cardiomyopathy I: Introduction and Classification

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...

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Cardiomyopathy III: Hypertrophic Cardiomyopathy

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...

Cardiomyopathy II: Dilated Cardiomyopathy

Cardiomyopathy II: Dilated Cardiomyopathy

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,...

Cardiomyopathy V: Interprofessional Care

Cardiomyopathy V: Interprofessional Care

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...

Cardiomyopathy IV: Restrictive Cardiomyopathy

Cardiomyopathy IV: Restrictive Cardiomyopathy

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...

Cardiomyopathy VI: Nursing Management

Cardiomyopathy VI: Nursing Management

Assessment: Nursing management of patients with cardiomyopathy begins with a thorough assessment of the patient's history, including a family history of cardiomyopathy or sudden cardiac death, personal history of heart disease, hypertension, diabetes, and any alcohol consumption or drug use.During the physical examination, assess vital signs, look for signs of heart failure (such as edema, jugular venous distention, and cyanosis), auscultate for abnormal heart sounds (like murmurs and gallops),...

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Updated: Jun 2, 2026

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model

Published on: August 8, 2022

Cardiomyopathy in childhood.

Glyn D Williams¹, Gregory B Hammer

¹Department of Anesthesia, Stanford University School of Medicine, Stanford, California 94305, USA. jumbo@stanford.edu

Current Opinion in Anaesthesiology

|April 12, 2011

Summary

Pediatric cardiomyopathy, a leading cause of heart failure, requires specialized anesthetic care. This review details disease types, outcomes, and perioperative management for high-risk children.

Area of Science:

Pediatric Cardiology
Anesthesiology
Critical Care Medicine

Background:

Cardiomyopathy is a significant cause of pediatric heart failure and a primary indication for heart transplantation.
Limited literature exists to guide anesthesiologists managing high-risk pediatric patients with cardiomyopathy.
Recent advancements have expanded knowledge of cardiomyopathy genotypes, phenotypes, and therapies.

Purpose of the Study:

To review pediatric cardiomyopathy phenotypes and associated factors influencing clinical outcomes and perioperative complications.
To provide guidance on anesthesia considerations for children with cardiomyopathy.
To enhance understanding of disease management in this vulnerable population.

Main Methods:

Literature review focusing on pediatric cardiomyopathy.

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Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model

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Analysis of factors affecting clinical outcomes and perioperative complications.

Synthesis of current knowledge on anesthesia management.

Main Results:

Increased recognition of diverse cardiomyopathy genotypes and phenotypes in children.
Identification of factors linked to adverse clinical outcomes and perioperative events.
Emerging data from multicenter registries are improving disease understanding.

Conclusions:

The complexity of pediatric cardiomyopathies necessitates a deep understanding of cardiac pathophysiology for perioperative care.
Multisystem involvement, genetic disorders, and syndromic conditions are critical considerations.
Thorough preoperative assessment and tailored intraoperative/postoperative plans are essential for optimal outcomes.