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Coronary dominance among the Indian aborted fetal hearts

Ashish Khokhariya1, Sanjay Vikani1, Bharat Gujar1

  • 1Department of Anatomy, Banas Medical College & Research Institute, Palanpur, Gujarat, India.

Bioinformation
|May 11, 2023
PubMed

Insights

Investigating anatomical variations in heart vascular patterns is crucial due to rising myocardial infarction rates. This study found significant variations in coronary artery dominance in human fetuses, impacting blood supply territories.

Area of Science:

  • Anatomy
  • Cardiovascular Science
  • Embryology

Background:

  • Rising incidences of myocardial infarction (MI) and decreasing age of onset necessitate detailed studies of cardiac vascular patterns.
  • Understanding coronary artery dominance is vital as it dictates blood supply to critical heart regions, particularly via the posterior interventricular artery.

Purpose of the Study:

  • To explore variations in the coronary dominant pattern within aborted human fetal hearts.
  • To identify the prevalence of right, left, and balanced coronary dominance in a fetal cohort.

Main Methods:

  • Dissection of right and left coronary arteries in 30 aborted human fetal hearts.
  • Determination of coronary dominance based on the origin of the posterior interventricular artery.

Main Results:

  • Right coronary dominance was observed in 60% of cases.
  • Left coronary dominance was found in 36.66% of cases.
  • Balanced or co-dominance was present in 3.33% of cases.

Conclusions:

  • Significant variations in coronary artery dominance patterns exist in human fetuses.
  • Awareness of these vascular variations is critical for cardiac surgeons, cardiologists, and interventional radiologists.

Keywords:
Right coronary arteryco-dominancecoronary dominanceleft coronary arteryposterior inter ventricular artery

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