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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 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 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 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 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 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: Apr 28, 2026

Implantation of hiPSC-derived Cardiac-muscle Patches after Myocardial Injury in a Guinea Pig Model

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Published on: March 18, 2019

[Dynamic cardiomyoplasty].

Y Paz¹, A Shinfeld, J Lavee

¹Department of Cardiac Surgery, Sheba Medical Center, Tel-Hashomer, Ramat Gan, Israel.

|February 20, 2002

Summary

This summary is machine-generated.

End-stage heart failure necessitates alternatives to heart transplantation. Dynamic cardiomyoplasty, a surgical technique using stimulated skeletal muscle around the heart, is explored as a viable option.

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A Doxorubicin-Induced Murine Model of Dilated Cardiomyopathy In Vivo

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Published on: May 16, 2020

Area of Science:

Cardiovascular Surgery
Biomedical Engineering
Regenerative Medicine

Context:

High prevalence of end-stage heart failure significantly impacts patient quality of life.
Limited donor availability restricts heart transplantation eligibility for many patients.
Urgent need for effective surgical alternatives to heart transplantation.

Purpose:

To review the current status and viability of dynamic cardiomyoplasty as an alternative to heart transplantation.
To highlight the principles and application of dynamic cardiomyoplasty in treating heart failure.

Summary:

Dynamic cardiomyoplasty involves wrapping the heart with a patient's own skeletal muscle.
The skeletal muscle is surgically stimulated to contract synchronously with the native heart.
This procedure aims to augment cardiac function in patients with end-stage heart failure.

Impact:

Dynamic cardiomyoplasty offers a potential solution for patients ineligible for heart transplantation.
This surgical approach addresses the critical shortage of donor organs.
Advances in dynamic cardiomyoplasty could improve outcomes for severe heart failure patients.