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Volume 20, Issue 1
  • ISSN: 1573-4056
  • E-ISSN: 1875-6603
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Abstract

Background

Coronary artery diseases are the leading cause of death worldwide. Stenting or angioplasty of coronary arteries as interventional management requires knowledge about the morphology of the coronary tree, including luminal diameters.

Objective

This work aimed to study the diameters of the left main coronary artery and its branches measured by QCA in relation to the diameters derived by Finet’s law.

Methods

This was a cross-sectional, retrospective, hospital-based study. The number of angiograms used was 357. The diameters of the left main coronary artery (LM), left anterior interventricular artery (LAD), and left circumflex artery (LCx) were measured by QCA. The diameter of LM was measured by 5 mm before its termination, and the diameters of LAD and LCx were obtained by 5 mm from their origins. Finet’s law was used to calculate the diameters of LM, LAD and LCx using the QCA measurements.

Results

The mean age of participants was 53.3±8.8 years. Female patients represented 58.9%. The mean diameter of the left main coronary using QCA was 3.75±0.85 mm, and the diameter calculated using Finet’s law was 3.89±0.80 mm. The diameters of LAD and LCx were larger than those calculated with Finet’s law. The Z-test showed a significant difference between the diameter of the LM calculated by Finet’s law; both diameters were positively associated. The diameters of LAD and LAD showed a non-significant correlation (r = 0.0653, P = 0.259526) and a negative correlation between LCx and LCX (r = -0.2659, P = 0.00001). The Z-test showed a significant difference in the diameter of LAD and LCx measured by QCA and Finet’s law.

Conclusion

An association was found between the diameter of LM measured by QCA and calculated with Finet’s law; the diameter calculated by Finet’s law was larger. The diameters of LAD and LCx measured by QCA were larger than those calculated by Finet’s law. A positive correlation existed between the diameters measured by QCA and Finet’s law, and they had significant differences. Finet’s law can assist in the selection of stent size. Despite the literature about Finet’s law, generalising its use requires more studies on different ethnicities.

© 2024 Assad Ali Rezigalla
This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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2024-01-01
2025-04-24

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/content/journals/cmir/10.2174/0115734056268999231124111530
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Morphological Correlation between the Diameters of the Left Main Coronary Artery and its Branches Measured by QCA and Derived by Finet’s Law
Curr. Med. Imaging 20, e15734056268999 (2024); https://doi.org/10.2174/0115734056268999231124111530
/content/journals/cmir/10.2174/0115734056268999231124111530
/content/journals/cmir/10.2174/0115734056268999231124111530
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  • Article Type:     Research Article
Keyword(s): Angioplasty; Coronary artery; Diameters; Finet’s law; Morphological correlation; QCA

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