MORPHOMETRIC ANALYSIS OF HUMAN CORONARY ARTERIES: ANATOMICAL VARIABILITY, DIMENSIONAL CORRELATIONS, AND CLINICAL IMPLICATIONS

Authors

  • Felipe Matheus Sant’Anna Aragão Cardiology Resident at the Heart Institute of the Hospital das Clínicas, Faculty of Medicine, University of São Paulo (INCOR), São Paulo, SP, Brazil.
  • Iapunira Catarina Sant’Anna Aragão Postgraduate student in Endocrinology at the Pontifical Catholic University of Rio de Janeiro (MED PUCRio), affiliated with the Luiz Capriglione State Institute of Diabetes and Endocrinology (IEDE), and Emergency Physician at the Munir Rafful Municipal Hospital (MHMR), Rio de Janeiro, Rio de Janeiro, Brazil.
  • Marcelo Lucas de Lima Prado Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • Wallance Geovane Alexandre Lima Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • Arthur Yoja Santos Souza Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • Akires Matheus Gomes Santos Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • André Elias Rezende Santos Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • Giovanna de Oliveira Sá Costa Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • Mariana de Melo Bezerra Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • Gilman Gabriel Gomes Mendes Júnior Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • Deise Maria Furtado de Mendonça Associate Professor of Anatomy, Department of Morphology, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • Vera Lúcia Corrêa Feitosa Titular Professor of Molecular Biology, Department of Morphology, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.
  • Francisco Prado Reis Titular Professor of the Medical School, Tiradentes University (UNIT), Aracaju, Sergipe, Brazil
  • José Aderval Aragão Titular Professor of Clinical Anatomy, Department of Morphology, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil. https://orcid.org/0000-0002-2300-3330

DOI:

https://doi.org/10.36557/2674-8169.2026v8n7p1052-1070

Keywords:

Coronary vessels; Anatomic variation; Morphometry; Right Coronary Artery; Left Main Coronary Artery.

Abstract

Introduction: Coronary arteries exhibit morphometric variations that may influence the interpretation of cardiovascular imaging and the planning of diagnostic, interventional, and surgical procedures. However, morphometric values described in the literature show considerable variability across different populations and methodologies employed. Objective: To analyze the morphometric characteristics of the right coronary artery and the left main coronary artery in human hearts obtained from formalin-fixed cadavers. Material and methods: An observational, descriptive, cross-sectional anatomical study conducted on 30 hearts from adult male cadavers fixed in 10% formalin. The coronary arteries were dissected, and their length and diameter were measured using a digital caliper. Data were analyzed using descriptive statistics, the Shapiro–Wilk test, and Spearman's correlation coefficient, with statistical significance set at p < 0.05. Results: The right coronary artery had a mean length of 5.45 ± 0.92 cm and a mean diameter of 0.203 ± 0.132 cm, whereas the left main coronary artery had a mean length of 1.13 ± 0.44 cm and a mean diameter of 0.250 ± 0.133 cm. A moderate positive correlation was found between the lengths of the right and left coronary arteries (ρ = 0.457; p = 0.011), and a moderate negative correlation was observed between the length and diameter of the left main coronary artery (ρ = −0.509; p = 0.004). Conclusion:  Coronary arteries exhibited marked morphometric variability, with significant associations among selected morphometric parameters. These findings broaden the understanding of coronary anatomy and provide support for the interpretation of imaging examinations and the planning of cardiovascular interventions.

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Author Biographies

Felipe Matheus Sant’Anna Aragão, Cardiology Resident at the Heart Institute of the Hospital das Clínicas, Faculty of Medicine, University of São Paulo (INCOR), São Paulo, SP, Brazil.

Cardiology Resident at the Heart Institute of the Hospital das Clínicas, Faculty of Medicine, University of São Paulo (INCOR), São Paulo, SP, Brazil.

Iapunira Catarina Sant’Anna Aragão, Postgraduate student in Endocrinology at the Pontifical Catholic University of Rio de Janeiro (MED PUCRio), affiliated with the Luiz Capriglione State Institute of Diabetes and Endocrinology (IEDE), and Emergency Physician at the Munir Rafful Municipal Hospital (MHMR), Rio de Janeiro, Rio de Janeiro, Brazil.

Postgraduate student in Endocrinology at the Pontifical Catholic University of Rio de Janeiro (MED PUCRio), affiliated with the Luiz Capriglione State Institute of Diabetes and Endocrinology (IEDE), and Emergency Physician at the Munir Rafful Municipal Hospital (MHMR), Rio de Janeiro, Rio de Janeiro, Brazil.

Marcelo Lucas de Lima Prado, Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Wallance Geovane Alexandre Lima, Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Arthur Yoja Santos Souza, Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Akires Matheus Gomes Santos, Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

André Elias Rezende Santos, Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Giovanna de Oliveira Sá Costa, Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Mariana de Melo Bezerra, Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Gilman Gabriel Gomes Mendes Júnior, Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Medical Student, Department of Medicine, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Deise Maria Furtado de Mendonça, Associate Professor of Anatomy, Department of Morphology, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Associate Professor of Anatomy, Department of Morphology, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Vera Lúcia Corrêa Feitosa, Titular Professor of Molecular Biology, Department of Morphology, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Titular Professor of Molecular Biology, Department of Morphology, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Francisco Prado Reis, Titular Professor of the Medical School, Tiradentes University (UNIT), Aracaju, Sergipe, Brazil

Titular Professor of the Medical School, Tiradentes University (UNIT), Aracaju, Sergipe, Brazil

José Aderval Aragão, Titular Professor of Clinical Anatomy, Department of Morphology, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

Titular Professor of Clinical Anatomy, Department of Morphology, Federal University of Sergipe (UFS), Aracaju, Sergipe, Brazil.

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Published

2026-07-27

How to Cite

Sant’Anna Aragão, F. M., Sant’Anna Aragão, I. C., Lima Prado, M. L. de, Lima, W. G. A., Santos Souza, A. Y., Gomes Santos, A. M., Rezende Santos, A. E., Sá Costa, G. de O., Melo Bezerra, M. de, Mendes Júnior, G. G. G., Furtado de Mendonça, D. M., Corrêa Feitosa, V. L., Prado Reis, F., & Aragão, J. A. (2026). MORPHOMETRIC ANALYSIS OF HUMAN CORONARY ARTERIES: ANATOMICAL VARIABILITY, DIMENSIONAL CORRELATIONS, AND CLINICAL IMPLICATIONS. Brazilian Journal of Implantology and Health Sciences, 8(7), 1052–1070. https://doi.org/10.36557/2674-8169.2026v8n7p1052-1070

Issue

Vol. 8 No. 7 (2026): BJIHS QUALIS B3 - FATOR DE IMPACTO SJIF 5.807 - ÍNDICE H 19

Section

Original article

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Copyright (c) 2026 José Aderval Aragão, Felipe Matheus Sant’Anna Aragão, Iapunira Catarina Sant’Anna Aragão, Marcelo Lucas de Lima Prado, Wallance Geovane Alexandre Lima, Arthur Yoja Santos Souza, Akires Matheus Gomes Santos, André Elias Rezende Santos, Giovanna de Oliveira Sá Costa, Mariana de Melo Bezerra, Gilman Gabriel Gomes Mendes Júnior, Deise Maria Furtado de Mendonça, Vera Lúcia Corrêa Feitosa, Francisco Prado Reis

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