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The carotid axis revisited.

R Cobiella1, S Quinones1, M Konschake2

  • 1Department of Anatomy and Embryology, School of Medicine, Complutense University of Madrid, Madrid, Spain.

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|July 6, 2021
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Summary
This summary is machine-generated.

This study analyzed 165 human dissections to map carotid artery variations. Key findings include differences in carotid bifurcation levels and diameters between sexes, crucial for interventional procedures.

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Area of Science:

  • Anatomy
  • Vascular Biology
  • Medical Imaging

Background:

  • The carotid bifurcation's level and artery diameters are critical for interventional radiology and head/neck surgeries.
  • Understanding anatomical variations is essential for procedural success and patient safety.

Purpose of the Study:

  • To determine variations in the origin level of the carotid bifurcation.
  • To measure diameters of the common, internal, and external carotid arteries.
  • To assess the clinical relevance of these variations in interventional procedures.

Main Methods:

  • Dissection of 165 human embalmed cadavers.
  • Analysis of collected data using Chi-square and Pearson correlation tests.
  • Review of previous study results for comparative analysis.

Main Results:

  • Carotid bifurcation level varied from 4 cm below to 2.5 cm above the hyoid bone (average -0.33 cm).
  • The right carotid bifurcation was higher than the left (p=0.046).
  • Common and internal carotid arteries were larger in males; the left internal carotid artery was larger than the right (P=0.047).

Conclusions:

  • Significant variations exist in carotid bifurcation level and artery diameters.
  • These anatomical differences are clinically important for interventional radiology and head/neck surgeries.
  • Knowledge of these references aids clinicians in interpreting the carotid system.