[Surgical ventricular reconstruction for ischemic cardiomyopathy]

Koichi Toda1, Tomoyuki Fujita, Yusuke Shimahara

  • 1Department of Cardiovascular Surgery, National Cerebral and Cardiovascular Center, Suita, Japan.

Insights

Surgical ventricular reconstruction (SVR) in ischemic cardiomyopathy (ICM) patients improved left ventricular geometry and function. Long-term follow-up is crucial for sustained benefits after SVR.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Devices

Context:

  • Ischemic cardiomyopathy (ICM) presents significant surgical challenges due to advanced ventricular remodeling.
  • Surgical ventricular reconstruction (SVR) is a potential therapeutic option for ICM patients.

Purpose:

  • To evaluate the long-term clinical and echocardiographic outcomes of SVR in patients with ICM.
  • To assess the efficacy of SVR in restoring left ventricular geometry and function.

Summary:

  • 34 ICM patients with ejection fraction <35% underwent SVR between 1999-2009.
  • Hospital mortality was 6%, with a 5-year survival rate of 70%.
  • SVR significantly reduced left ventricular end-systolic volume and improved ejection fraction, with sustained benefits up to 3 years.

Impact:

  • SVR effectively restores left ventricular geometry and function in ICM patients.
  • Optimized medical treatment combined with SVR is essential for long-term patient management.
  • This study highlights the durable benefits of SVR in improving cardiac structure and function.
Abstract

Related Concept Videos

Cardiomyopathy V: Interprofessional Care01:29

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 Cardiomyopathy01:29

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 II: Dilated Cardiomyopathy01:30

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 Cardiomyopathy01:29

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 VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...