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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...
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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...
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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...
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Left Atrial Ligation in the Avian Embryo as a Model for Altered Hemodynamic Loading During Early Vascular Development
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Published on: June 16, 2023

Hypoplastic left heart syndrome.

David J Barron1, Mark D Kilby, Ben Davies

  • 1Department of Cardiac Surgery, Birmingham Children's Hospital, Birmingham, UK. david.barron@bch.nhs.uk

Lancet (London, England)
|August 18, 2009
PubMed
Summary
This summary is machine-generated.

Hypoplastic left heart syndrome (HLHS) management has evolved from fatal to treatable through surgical interventions. Current strategies involve staged procedures, neonatal transplantation, and hybrid techniques, offering improved outcomes for affected children.

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Left Atrial Ligation in the Avian Embryo as a Model for Altered Hemodynamic Loading During Early Vascular Development
04:37

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Published on: June 16, 2023

Isolation of Endocardial and Coronary Endothelial Cells from the Ventricular Free Wall of the Rat Heart
08:22

Isolation of Endocardial and Coronary Endothelial Cells from the Ventricular Free Wall of the Rat Heart

Published on: April 15, 2020

Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Defects
  • Neonatal Cardiac Surgery

Background:

  • Hypoplastic left heart syndrome (HLHS) is a severe congenital heart defect characterized by underdevelopment of the left heart.
  • Historically, HLHS carried a near-fatal prognosis, necessitating advancements in medical and surgical care.
  • The complexity of HLHS requires specialized multidisciplinary management from birth through adulthood.

Purpose of the Study:

  • To review current surgical management strategies for hypoplastic left heart syndrome.
  • To discuss evolving treatment options including staged palliation, transplantation, and hybrid approaches.
  • To highlight the ongoing challenges in managing HLHS patients into adolescence and adulthood.

Main Methods:

  • Review of surgical techniques for HLHS, focusing on staged palliation utilizing the right ventricle.
  • Discussion of alternative management options such as neonatal heart transplantation.
  • Exploration of innovative hybrid procedures combining surgical and interventional approaches.

Main Results:

  • Surgical interventions have significantly improved the survival rates for HLHS, transforming its previously fatal outlook.
  • Staged procedures, where the right ventricle supports both circulations, are a cornerstone of current management.
  • Neonatal transplantation and hybrid techniques offer alternative or adjunctive therapeutic pathways.

Conclusions:

  • The surgical and intensive care management of HLHS has advanced significantly, improving patient prognoses.
  • Despite progress, the long-term care of HLHS survivors presents ongoing challenges as they transition to adulthood.
  • Continued innovation in surgical techniques and comprehensive care is crucial for optimizing outcomes in HLHS patients.