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Data on the origin, course and distribution of the artery to the human atrioventricular node

Tomokazu Kawashima1, Fumi Sato1

  • 1Department of Anatomy, School of Medicine, Toho University, Tokyo, Japan.

Data in Brief
|September 20, 2018
PubMed

Insights

This study details the anatomical variations of the artery supplying the atrioventricular node in humans. Understanding these variations is crucial for preventing sudden cardiac death and improving cardiac interventions.

Area of Science:

  • Human anatomy
  • Cardiovascular anatomy
  • Clinical anatomy

Background:

  • The artery to the atrioventricular node (AVN) is critical for cardiac electrical conduction.
  • Anatomical variations in the AVN artery's origin, course, and distribution can impact cardiac function and surgical procedures.
  • Previous literature has highlighted the need for detailed anatomical clarification of the AVN artery.

Purpose of the Study:

  • To present comprehensive data on the anatomical variations of the artery to the atrioventricular node in the human heart.
  • To elucidate the origin, course, and distribution patterns of this vital artery.
  • To provide insights relevant to clinical practice and understanding cardiac pathology.

Main Methods:

  • Detailed anatomical analysis of human cadaveric specimens.
  • Systematic observation and documentation of the artery to the atrioventricular node.
  • Comparative analysis of observed variations.

Main Results:

  • Significant variations were identified in the origin of the AVN artery, with common origins from the right coronary artery and less common origins from the left circumflex artery.
  • The course and distribution patterns of the AVN artery also demonstrated considerable variability.
  • Specific anatomical landmarks and branching patterns were documented.

Conclusions:

  • The anatomical variability of the artery to the atrioventricular node is substantial.
  • These findings have direct implications for interventional cardiology, particularly in procedures like coronary angiography.
  • A thorough understanding of AVN artery anatomy is essential for diagnosing and managing cardiac pathologies, especially in cases of sudden cardiac death.

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