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Related Concept Videos

Development of the Heart01:27

Development of the Heart

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The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart...
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Chambers of the Heart01:16

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The human heart is a complex organ made up of four chambers: the right and left atria and the right and left ventricles. These internal chambers are separated by partitions known as the interatrial and interventricular septa. The exterior of the heart features a groove known as the coronary sulcus that demarcates the atria from the ventricles, while the anterior and posterior interventricular sulci distinguish between the two ventricles.
Deoxygenated blood from the body is received in the right...
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Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

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The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
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Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

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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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Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

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Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
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Updated: Dec 12, 2025

Implantation of Total Artificial Heart in Congenital Heart Disease
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Implantation of Total Artificial Heart in Congenital Heart Disease

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Biventricular Conversion in the Borderline Hypoplastic Heart.

Nicholas D Andersen1,2, Jacob C Scherba3,4, Joseph W Turek3,4

  • 1Division of Cardiovascular and Thoracic Surgery, Duke University Medical Center, 2301 Erwin Road, DUMC 3474, Durham, NC, 27710, USA. Nicholas.Andersen@Duke.edu.

Current Cardiology Reports
|August 10, 2020
PubMed
Summary
This summary is machine-generated.

Biventricular repair is increasingly viable for borderline hypoplastic heart disease, offering an alternative to single-ventricle palliation. Research focuses on surgical advances and patient selection for improved outcomes.

Keywords:
Biventricular conversionBiventricular repairCongenital heart surgeryHypoplastic left heart syndromeVentricular rehabilitation

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Area of Science:

  • Congenital heart disease
  • Pediatric cardiology
  • Cardiac surgery

Background:

  • Borderline hypoplastic heart disease presents complex treatment challenges.
  • Historically, single-ventricle palliation was common, but biventricular strategies are emerging.

Purpose of the Study:

  • To review recent surgical advances and treatment algorithms for borderline hypoplastic heart disease.
  • To summarize innovations in biventricular repair and conversion pathways over the last decade.

Main Methods:

  • Literature review of surgical techniques and treatment strategies.
  • Analysis of emerging data on ventricular growth and recovery.

Main Results:

  • Many patients with borderline hypoplastic heart disease can undergo primary biventricular repair or conversion.
  • Ventricular rehabilitation strategies enhance outcomes for biventricular conversion.
  • New insights reveal the potential for growth and recovery in borderline ventricles.

Conclusions:

  • Directing more patients towards biventricular circulation is a key area of progress.
  • Optimal patient selection and long-term outcome data are crucial for future research.
  • Innovations in surgical techniques are expanding options for borderline hypoplastic heart disease.