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Related Concept Videos

Heart Valves01:16

Heart Valves

4.5K
The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
4.5K
Chambers of the Heart01:16

Chambers of the Heart

4.4K
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...
4.4K

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Related Experiment Video

Updated: Jun 23, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Structural Challenges in Native Atrioventricular Valves Replacement.

Prashant Vaijyanath1, Siddharth Vasanthamani Thangavelu1

  • 1Department of Cardiothoracic Surgery, Kovai Medical Center and Hospital, 99, Avanashi Road, Coimbatore, Tamilnadu 641014, India.

Cardiology Clinics
|June 23, 2024
PubMed
Summary
This summary is machine-generated.

Atrioventricular valve disease poses a significant health challenge, particularly in the Indian subcontinent due to prevalent rheumatic heart disease. Understanding complex AV valve anatomy is crucial for effective treatment and managing complications from valve replacements.

Keywords:
Atrioventricular valvesMitral valveTricuspid valvesValve replacement

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Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Pathophysiology

Background:

  • Atrioventricular (AV) valve disease presents a major health burden, especially in the Indian subcontinent where rheumatic heart disease remains prevalent, contrasting with the degenerative causes more common in Western populations.
  • Annual global heart valve replacements exceed 300,000, yet these procedures are associated with significant complications.
  • Interactions between native tissue properties (macroscopic and microscopic) and artificial heart valves/rings introduce complex challenges.

Purpose of the Study:

  • To emphasize the critical need for understanding the intricate and diverse anatomy of Atrioventricular (AV) valves.
  • To correlate anatomical understanding with the pathophysiology of AV valve disease.
  • To inform the selection of optimal treatment strategies for AV valve disease.

Main Methods:

  • Review of existing literature on AV valve anatomy and pathophysiology.
  • Analysis of complications associated with heart valve replacements.
  • Comparative study of disease prevalence (rheumatic vs. degenerative) in different global regions.

Main Results:

  • Rheumatic heart disease is a dominant cause of AV valve disease in the Indian subcontinent.
  • Degenerative heart disease is more prevalent in Western countries.
  • Complications in valve replacement surgeries are linked to the interaction between biological tissues and prosthetic devices.

Conclusions:

  • A comprehensive understanding of AV valve anatomy is essential for diagnosing and treating valve diseases.
  • Knowledge of complex anatomical variations is key to mitigating complications from valve replacement therapies.
  • Tailoring treatment based on a deep understanding of AV valve pathophysiology and patient-specific anatomy is paramount.